| Patent application number | Description | Published |
|---|
| 20080279465 | APPARATUS AND METHOD FOR ENCODING DIGITAL IMAGE DATA IN A LOSSLESS MANNER - A method of losslessly compressing and encoding signals representing image information is claimed. A lossy compressed data file and a residual compressed data file are generated. When the lossy compressed data file and the residual compressed data file are combined, a lossless data file that is substantially identical to the original data file is created. | 11-13-2008 |
| 20090051810 | Systems and Methods for Combining Deinterlacing and Frame Rate Decimation for Video Format Conversion - A method of converting video data to film data may include deinterlacing video data from a first field and a third field to produce first field video data, providing second field video data, and merging the first field video data and the second field video data to produce first frame video data. The method may further include copying video data from a fourth field and a fifth field to produce second frame video data. An apparatus for converting video data to film data may include a first deinterlacer for deinterlacing video data from a first field and a third field to produce first field video data and a copy module for providing second field video data and merging the first field video data and the second field video data to produce first frame video data. | 02-26-2009 |
| 20090103637 | SELECTIVE CHROMINANCE DECIMATION FOR DIGITAL IMAGES - A method of decimation of a digital image, the digital image represented by a plurality of pixels, is claimed. In the pixel domain, the digital image is divided into a plurality of blocks. Certain ones of the blocks are selectively decimated based upon predetermined criteria. In an embodiment, the chrominance portions of a given pixel block are decimated. | 04-23-2009 |
| 20090268807 | MULTIMEDIA BROADCAST FORWARDING SYSTEMS AND METHODS - In various embodiments, communication apparatus and methods for providing robust communications are disclosed. For example, an exemplary communication apparatus for distributing media to one or more receiving apparatus may include receiving circuitry configured to receive a first wireless multimedia broadcast signal containing at least a first media stream, transmitting circuitry configured to wirelessly transmit one or more individual media streams simultaneously to the one or more receiving apparatus using one or more wireless transmit signals, and decision circuitry configured to control the transmitting circuitry to transmit the first media stream to at least one receiving apparatus using at least one wireless transmit signal type based on a forward-link data capacity of each wireless channel between the transmitting circuitry and each receiving apparatus. | 10-29-2009 |
| 20090270138 | COORDINATING POWER MANAGEMENT FUNCTIONS IN A MULTI-MEDIA DEVICE - In general, this disclosure relates to techniques for dynamically determining configuration information (e.g., for processing video data) and coordinating execution of power management functions based upon an available amount of power for execution of a multi-media service. One example method includes the following features: obtaining an amount of available power for execution of a service requiring multi-media resources within a multi-media device; determining, based upon the amount of available power, configuration information for execution of one or more power management functions in one or more multi-media resources of the multi-media device; and coordinating the execution of the one or more power management functions in the one or more multi-media resources based upon the configuration information in order to manage power utilization within the multi-media device. | 10-29-2009 |
| 20090323809 | FRAGMENTED REFERENCE IN TEMPORAL COMPRESSION FOR VIDEO CODING - In general, this disclosure describes techniques for encoding and decoding sequences of video frames using fragmentary reference pictures. The disclosure presents video encoding and decoding techniques for modified temporal compression based on fragmented references rather than complete reference pictures. In a typical sequence of video frames, only a portion (i.e., a tile) of each frame includes moving objects. Moreover, in each frame, the moving objects tend to be confined to specific areas that are common among each frame in the sequence of video frames. As described herein, such common areas of motion are identified. Pictures are then extracted from the identified areas of the video frames. Because these pictures may represent only portions of the frames, this disclosure refers to these pictures as “fragments.” It is then these fragments that are used as reference pictures for generating predicted frames during a motion compensation process, rather than the entire frame. | 12-31-2009 |
| 20100020886 | SCALABILITY TECHNIQUES BASED ON CONTENT INFORMATION - Apparatus and methods of using content information for encoding multimedia data are described. A method of processing multimedia data includes classifying content of multimedia data, and encoding the multimedia data in a first data group and in a second data group based on the content classification. The first and second groups are associated with quality levels. A user can request a target quality level. | 01-28-2010 |
| 20100040031 | METHOD AND APPARATUS FOR WIRELESSLY DISTRIBUTING MULTIPLEX SIGNAL COMPRISING MULTIMEDIA DATA OVER A LOCAL AREA NETWORK - Described herein are various techniques for gathering multimedia data from one or more sources and transmiting that data over a local network to one or more devices, thereby providing ubiquitous multimedia across the network. In one configuration, a device comprising a server receives multimedia data from one or more devices on a local network, creates a multiplex signal from the various multimedia data received from the devices, and wirelessly transmits the multiplex signal over the local network. The server is further configured wherein the multiplex signal comprises a plurality of logical channels, with at least one of the logical channels representing multimedia data received from one of the devices on the network. By then tuning into one or more of the logical channels of the transmitted multiplex signal, a device on the local network can present to a user multimedia data that originates from or resides on another device on the network. According to other configurations, the multiplex signal contains not only multimedia data retrieved from devices on a local network, but can also include multimedia data that originated from sources on a wide area network, such as the Internet or a cellular telephone network. | 02-18-2010 |
| 20100040082 | METHOD AND APPARATUS FOR CONTROLLING THE PRESENTATION OF MULTIMEDIA DATA FROM A MULTIPLEX SIGNAL BETWEEN DEVICES IN A LOCAL AREA NETWORK - Described herein are various techniques for remotely controlling the presentation of multimedia data contained within a multiplex signal by various devices on a local area network. According to one aspect, a method is provided that allows for controlling the presentation of multimedia data being delivered to one or more devices on a local area network. Control is provided through the steps of receiving at least a portion of a multiplex signal at a control device, determining at the control device the one or more logical channels contained within the multiplex signal, detecting the presence of a controllable device on the local area network, receiving at least a portion of the multiplex signal at the controllable device, and transmitting instructions from the control device to the controllable device that instructs the controllable device to present to a user at least one type of multimedia data associated with one or more of the logical channels of the multiplex signal. According to another aspect, a mobile device is provided that communicates wirelessly over a local area network and includes at least one interface for displaying information and accepting input from a user. Furthermore, the mobile device receives a wireless multiplex signal that comprises one or more logical channels of multimedia data, and issue instructions to at least one multimedia device on the network indicating what multimedia data to consume by instructing the multimedia device to tune into one or more logical channels of the multiplex signal. | 02-18-2010 |
| 20100046631 | POWER AND COMPUTATIONAL LOAD MANAGEMENT TECHNIQUES IN VIDEO PROCESSING - Techniques for managing power consumption and computational load on a processor during video processing and decoding are provided. One representative embodiment discloses a method of processing a data stream that includes video data. According to the method, one or more protocols used to create the data stream are identified. The various parsing and decoding operations required by the protocol are then identified and managed based on the available electrical power or available processing power. Another representative embodiment discloses a method of processing a data stream that includes video data. According to the method, one or more protocols used to create the data stream are identified. The various parsing and decoding operations required by the protocol are then identified and managed based on a visual quality of the video or a quality of experience. | 02-25-2010 |
| 20100189064 | LINK MANAGEMENT FOR MULTIMEDIA CONTENT MOBILITY - In general, techniques are described for link management to enable multimedia content mobility. More specifically, an apparatus may implement these techniques. The apparatus may comprise one or more wireless modems and a control unit. The one or more wireless modems receive multimedia content over a first wireless communication channel from a first application and establish a second wireless communication channel for communicating with a second application. The control unit then determines channel data corresponding to one or more characteristics associated with the second wireless communication channel and configures the at least one of the wireless modems based on the channel data. The configured at least one of the wireless modems forwards the received multimedia content to the second application to facilitate multimedia content mobility. | 07-29-2010 |
| 20100191859 | MULTIMEDIA MANAGEMENT SYSTEM FOR SEAMLESS MULTIMEDIA CONTENT MOBILITY - In general, techniques are described for providing a multimedia management system to facilitate multimedia content mobility. More specifically, an apparatus may implement the techniques. The apparatus may comprise one or more wireless modems and a control unit. The one or more wireless modems receive multimedia content in a first format from a first application over a wireless communication channel. The control unit includes a Multimedia Management System (MMS) that configures the control unit to provide a multimedia bridge between the first format and a second format, where the second format is supported by a second application. The configured multimedia bridge transforms the multimedia content from the first format to the second format concurrent to the one or more wireless modems receiving a portion of the multimedia content. | 07-29-2010 |
| 20100195667 | LOCAL BROADCAST OF DATA USING AVAILABLE CHANNELS OF A SPECTRUM - In general, this disclosure relates to techniques for transmitting data for applications using one or more available channels of a spectrum. One example method comprises transforming data into a digital broadcast format, identifying at least one available channel of a spectrum, and transmitting the transformed data in the at least one identified available channel. | 08-05-2010 |
| 20110002377 | TRANSMITTER QUIETING AND NULL DATA ENCODING - In one example, a method comprises encoding a set of frames of multimedia data, encoding null data for a period following the set of frames of multimedia data, modulating the encoded set of frames and the null data, wherein modulating the null data creates a null interval over the period, transmitting the encoded set of frames via a transmitter, and blanking the transmitter during the null interval. | 01-06-2011 |
| 20110002378 | CODING LATENCY REDUCTIONS DURING TRANSMITTER QUIETING - In one example, a method comprises encoding and modulating a first set of frames such that a latency associated with demodulating and decoding the first set of frames is less than a first time interval, encoding and modulating a second set of frames such that a required latency associated with demodulating and decoding the first set of frames is less than a second time interval, transmitting the first set of frames and the second set of frames via a transmitter, and blanking the transmitter during a null interval associated with transmitting the second set of frames, wherein the null interval and the second time interval are less than or equal to the first time interval. | 01-06-2011 |
| 20110002379 | TRANSMITTER QUIETING AND DIFFERENT ENCODING RATES FOR PORTIONS OF A SET OF FRAMES - In one example, a method comprises defining a period of time for encoding a set of frames of multimedia data, encoding a first portion of the set of frames of multimedia data at a first encoding rate, encoding a second portion of the set of frames of multimedia data at a second encoding rate, wherein the second encoding rate is less than the first encoding rate so as to create a null interval during the period of time, transmitting the encoded set of frames via a transmitter, and blanking the transmitter during the null interval. | 01-06-2011 |
| 20110002399 | TRANSMITTER QUIETING AND REDUCED RATE ENCODING - In one example, a method includes defining an encoding rate for encoding a set of frames of multimedia data over a period of time, encoding the set of frames at a reduced encoding rate over the period of time such that encoding the set of frames at the reduced encoding rate defines one or more null intervals when data associated with the set of frames is not present during the period of time, transmitting the encoded set of frames via a transmitter, and blanking the transmitter during the one or more null intervals. | 01-06-2011 |
| 20110002405 | TRANSMITTER QUIETING DURING SPECTRUM SENSING - In general, this disclosure relates to techniques for quieting data transmission functionality during spectrum sensing operations. In one aspect, a method for spectrum sensing comprises detecting, during at least one time interval, whether any channel of a spectrum is available for use, and refraining, during the at least one time interval, from transmitting any data from a communication device. | 01-06-2011 |
| 20110009049 | Adjustable Transmitter For Privacy Protection Of Content Broadcast From A Transmitting Device To A Receiving Device - Transmitting devices facilitate privacy protection of content broadcasted from the transmitting device to a receiving device without the need to modify the receiving device. A transmitting device may be adapted to acquire content, such as audio and/or video data, to be broadcasted by the transmitter for reception and use by a receiving device. A transmission range is selected to define a distance for broadcasting the content from the transmission device for reception and use by a receiving device. A frequency is also selected to be used for broadcasting the content. With the transmission range and frequency selected, the transmitting device may broadcast the content according to the selected transmission range and frequency. | 01-13-2011 |
| 20110010607 | SYSTEM AND METHOD OF TRANSMITTING CONTENT FROM A MOBILE DEVICE TO A WIRELESS DISPLAY - A method of transmitting content to a wireless display device is disclosed. The method may include receiving multimedia data, encoding the multimedia data, and writing encoded multimedia data into a first predetermined memory location of a shared memory. Further, the method may include encapsulating the encoded multimedia data and writing encapsulation data into a second predetermined memory location of the shared memory. The method may also include calculating error control encoding and writing the error control encoding into a third predetermined memory location of the shared memory. Further, the method may include transmitting the encoded multimedia data, the encapsulation data, and the error control encoding to the wireless display device. | 01-13-2011 |
| 20110013089 | CHANNEL CHANGE TO AN AVAILABLE CHANNEL OF A SPECTRUM - In general, this disclosure relates to techniques for transmitting data in a spectrum, and seamlessly switching from one transmission channel to an available channel in the spectrum. One example method comprises identifying, by a device, at least a first channel of a spectrum, transmitting at least one command to a second, different device, wherein the at least one command contains information that allows the second device to determine at least the first identified channel, and transmitting data in at least the first identified channel. | 01-20-2011 |
| 20110032328 | TRANSFORMING VIDEO DATA IN ACCORDANCE WITH HUMAN VISUAL SYSTEM FEEDBACK METRICS - In general, techniques are described for transforming video data in accordance with human visual system feedback metrics. For example, an apparatus comprising a transformation module, a parameter discovery module and a human visual system (HVS) feedback module implements these techniques. The parameter discovery module configures the transformation module to generate three-dimensional (3D) video data in accordance with parameters defining capabilities supported by a 3D display device. The transformation module transforms video data to generate the 3D video data. The HVS feedback module determines, while the transformation module transforms the video data, one or more metrics using an HVS model that reflects a quality of 3D visualization of the generated 3D video data with respect to a human visual system and reconfigures the one or more modules based on the determined one or more metrics to refine the generation of the 3D video data. | 02-10-2011 |
| 20110032329 | TRANSFORMING VIDEO DATA IN ACCORDANCE WITH THREE DIMENSIONAL INPUT FORMATS - In general, techniques are described for transforming video data in accordance with a three dimensional (3D) input format. As one example, an apparatus, such as a mobile or portable device, that includes a transformation module, a parameter discovery module and at least one interface implements the techniques. The parameter discovery module determines an input format supported by a 3D display device. The parameter discover module then configures the transformation module to transform two-dimensional (2D) video data into 3D video data so as to generate the 3D video data in accordance with the determined input format. The at least one interface receives 2D video data. The transformation module transforms the 2D video data to 3D video data so that the 3D video data complies with the determined input format. In this manner, the apparatus implements the techniques to transform video data in accordance with a determined 3D input format. | 02-10-2011 |
| 20110032334 | PREPARING VIDEO DATA IN ACCORDANCE WITH A WIRELESS DISPLAY PROTOCOL - In general, techniques are described for preparing video data in accordance with a wireless display protocol. For example, a portable device comprising a module to store video data, a wireless display host module and a wireless interface may implement the techniques of this disclosure. The wireless display host module determines one or more display parameters of a three-dimensional (3D) display device external from the portable device and prepares the video data to generate 3D video data based on the determined display parameters. The wireless interface then wirelessly transmits the 3D video data to the external 3D display device. In this way, a portable device implements the techniques to prepare video data in accordance with a wireless display protocol. | 02-10-2011 |
| 20110032338 | ENCAPSULATING THREE-DIMENSIONAL VIDEO DATA IN ACCORDANCE WITH TRANSPORT PROTOCOLS - In general, techniques are described for encapsulating three dimensional video data in accordance with a transport protocol. As one example, an apparatus comprising a multimedia processing module, a transport protocol module and a wireless module implement the techniques. The multimedia processing module generates a video data segment, an audio data segment and a depth data segment of 3D video content. The transport protocol module encapsulates each of the video data, audio data and depth data segments in different ones of a plurality of packets according to a transport protocol and adds metadata to at least one of the plurality of packets for enhancing playback of the 3D video content. The wireless module transmits the packets to a 3D display device external from the apparatus. | 02-10-2011 |
| 20110069720 | WIRELESS TRANSMISSION OF DATA USING AN AVAILABLE CHANNEL OF A SPECTRUM - In general, this disclosure relates to techniques for transmitting data using one or more identified channels of a spectrum. One example method comprises identifying, with a first communication device, at least one channel currently available in a digital broadcast spectrum, and receiving, with the first communication device, data sent from a second communication device. The method further comprises transmitting the data from the first communication device in the at least one identified channel of the digital broadcast spectrum, wherein the transmitted data complies with a digital broadcast format. | 03-24-2011 |
| 20110080935 | Channel Hopping Based Content Protection Having An Out-Of-Band Communication Band - One feature provides a method for transmitting content to a receiving device, by establishing channel hopping sequence information with the receiving device via a first communication band. The channel hopping sequence information is associated with a plurality of traffic channels within a second communication band. Moreover, the method entails transmitting the content to the receiving device through the plurality of traffic channels via the second communication band using a channel hopping scheme implemented according to the channel hopping sequence information. In one embodiment, establishing the channel hopping sequence information with the receiving device via the first communication band further includes: obtaining a channel hopping sequence key; and transmitting the channel hopping sequence key to the receiving device within the first communication band. | 04-07-2011 |
| 20110080955 | METHOD AND APPARATUS FOR MOTION VECTOR PROCESSING - A method for processing a plurality of motion vectors is disclosed. The method includes determining a number of different block sizes in the video frame; and, performing a variable block size motion vector process if the number of different block sizes in the video frame is greater than one, the variable block size motion vector process comprising constructing a pyramid of motion vectors from the plurality of motion vectors, the pyramid having at least a first layer and a second layer of motion vectors, each of the first and second layers having a set of motion vectors based on a particular block size. An apparatus for performing the inventive method is also disclosed. | 04-07-2011 |
| 20110138018 | MOBILE MEDIA SERVER - Mobile media server (MMS) includes MMS hosts and an MMS clients utilized for ubiquitous sharing of media content. An MMS host, which may be deployed on a mobile terminal such as a cellular telephone, can establish a logical link with an MMS client over an IP interface and initiate a streaming session with the MMS client. The MMS host may further retrieve media content from any source, such as a network source, locally stored content, or a camera and/or microphone on the MMS host, and serve the media content to the MMS client over the logical link. | 06-09-2011 |
| 20110164176 | TRANSPORT LAYER MODIFICATION TO ENABLE TRANSMISSION GAPS - White space devices are operable to communicate information over white space and, more specifically, to quiet a transmitter to enable sensing signals in the white space. A method for inconspicuous quieting of a transmitter in a white space communication device modifies a transport stream for transmission by the transmitter of the white space device to provide a null window of time. The null window does not contain essential information. At least a portion of the modified transport stream is transmitted by the transmitter of the white space device. The transmitter is quieted during the null window, and white space sensing is performed during the null window. | 07-07-2011 |
| 20110164177 | APPLICATION LAYER MODIFICATION TO ENABLE TRANSMISSION GAPS - Television white space devices are operable to communicate information over television white space and, more specifically, to quiet a transmitter for sensing signals in the television white space. A method for inconspicuous quieting of the transmitter in a television white space device inserts, from an application layer, information into a transport stream for transmission by the transmitter of the television white space device to produce a null window of time within the transport stream at a predetermined time. The method also transmits the transport stream by the transmitter of the television white space device and quiets the transmitter during the null window of time. The method senses, by a white space sensor of the television white space device, existing signals in the white space during the null window of time. | 07-07-2011 |
| 20110176060 | DATA FEEDBACK FOR BROADCAST APPLICATIONS - This disclosure relates to techniques for processing feedback associated with data previously transmitted by a communication device. One example communication system comprises one or more processors, a channel identifier, a transmitter, and a data receiver/feedback unit. The channel identifier is operable to identify at least one channel currently available in a digital broadcast spectrum. The transmitter is operable to transmit data via the at least one identified channel of the digital broadcast spectrum, wherein the transmitted data complies with a digital broadcast format. The data receiver/feedback unit is operable to receive a representation of the data and compare at least a portion of the received representation of the data to at least a portion of the transmitted data. The one or more processors are configured to determine whether to adjust a broadcast transmission parameter or a data transformation parameter for use in subsequent data communication based upon the comparison. | 07-21-2011 |
| 20110176602 | SYSTEMS AND METHODS FOR INTERFACING A WHITE SPACE DEVICE WITH A HOST DEVICE - Information is communicated from a host device to a receiving device via white space. A white space device is interfaced with the host device. The white space device has at least one port configured to communicatively interface with a host device to receive multimedia content from the host device. The white space device also optionally has a television band engine configured to encode a transport stream containing at least a portion of the multimedia content received from the host device. A transmitter is configured to transmit the transport stream via white space. | 07-21-2011 |
| 20110182257 | WHITE SPACE SPECTRUM COMMMUNCIATION DEVICE WITH MULTIPLEXING CAPABILTIES - In one example, a method includes receiving a plurality of input signals at a multiplexer of a white space device, and generating, via the multiplexer, a multiplexed output signal that includes at least two of the plurality of input signals. The method also includes sensing whether a white space frequency is available for unlicensed use, and communicating the multiplexed output signal over the white space frequency via a transmitter of the white space device when the white space frequency is available for unlicensed use. | 07-28-2011 |
| 20110216239 | REDUCING END-TO-END LATENCY FOR COMMUNICATING INFORMATION FROM A USER DEVICE TO A RECEIVING DEVICE VIA TELEVISION WHITE SPACE - A system transmits human interface data (HID) as ancillary data to a television receiver over white space. Content on a user mobile device may be wirelessly displayed on an external display device. It may be desirable to have user interactions with the mobile device (such as controls for video games) displayed on the external display device in a manner that does not suffer from the latency of standard video being set to the display device. The HID may be captured and processed separately from the video data. The HID may be formed into a transport stream for transmission over white space. The HID may be included as ancillary data in the transport stream. Timestamps may be used to coordinate the transmission of the HID as well as its processing when received by a television receiver. | 09-08-2011 |
| 20110216829 | ENABLING DELTA COMPRESSION AND MODIFICATION OF MOTION ESTIMATION AND METADATA FOR RENDERING IMAGES TO A REMOTE DISPLAY - Delta compression may be achieved by processing video data for wireless transmission in a manner which reduces or avoids motion estimation by a compression process. Video data and corresponding metadata may be captured at a composition engine. Frame buffer updates may be created from the data and metadata. The frame buffer updates may include data relating to video macroblocks including pixel data and header information. The frame buffer updates may include pixel reference data, motion vectors, macroblock type, and other data to recreate a video image. The macroblock data and header information may be translated into a format recognizable to a compression algorithm (such as MPEG-2) then encoded and wirelessly transmitted. | 09-08-2011 |
| 20110219420 | CONTROLLING A MULTIMEDIA DEVICE IN REMOTE DISPLAY MODE - A multimedia device engaged in wireless transmission of content to a remote display may format graphical user interface content for the remote display. The device may also communicate with a human interface device such as a remote control. The remote control may send control information to the multimedia device to control the remote display. | 09-08-2011 |
| 20110264817 | GATEWAY DEVICE FOR MULTIMEDIA CONTENT - This disclosure relates to techniques, devices, and systems for using a mobile electronic device to provide multimedia content. One example method of providing multimedia content includes receiving, at an Internet Protocol Multimedia Subsystem (IMS) enabled first electronic device, multimedia content from a content-providing electronic device via an IMS network, where the multimedia content has a first format. The method also includes converting, at the IMS-enabled first electronic device, the multimedia content from the first format to a second format that is different from the first format. The method further includes transmitting, from the IMS-enabled first electronic device to a second electronic device, the converted multimedia content in the second format, where the converted multimedia content is transmitted from the first electronic device to the second electronic device via a local network that is different from the IMS network. | 10-27-2011 |
| 20110299587 | METHODS AND SYSTEMS FOR RESIZING MULTIMEDIA CONTENT BASED ON QUALITY AND RATE INFORMATION - In general, this disclosure describes techniques for exchanging information between a plurality of encoder modules and a multiplex module to combine segments of data from the encoder modules with an improved overall quality. In particular, the encoder modules associate their respective segments of data with quality and rate information and send at least the quality and rate information associated with the segments of data to the multiplex module. The multiplex module analyzes the quality and rate information to determine whether the segments of data that encoder modules desire to include in the current superframe fit within the available bandwidth of a transmission channel. If the multiplex module determines the plurality of segments of data do not fit within the available bandwidth, the multiplex module selects one or more of the segments to be resized based on the quality and rate information received from the encoder modules. | 12-08-2011 |
| 20110299594 | APPARATUS AND METHOD FOR ENCODING DIGITAL IMAGE DATA IN A LOSSLESS MANNER - A method of losslessly compressing and encoding signals representing image information is claimed. A lossy compressed data file and a residual compressed data file are generated. When the lossy compressed data file and the residual compressed data file are combined, a lossless data file that is substantially identical to the original data file is created. | 12-08-2011 |
| 20110299595 | APPARATUS AND METHOD FOR ENCODING DIGITAL IMAGE DATA IN A LOSSLESS MANNER - A method of losslessly compressing and encoding signals representing image information is claimed. A lossy compressed data file and a residual compressed data file are generated. When the lossy compressed data file and the residual compressed data file are combined, a lossless data file that is substantially identical to the original data file is created. | 12-08-2011 |
| 20120047359 | POWER AND COMPUTATIONAL LOAD MANAGEMENT TECHNIQUES IN VIDEO PROCESSING - Techniques for power and computational load management in video processing and decoding are provided. In one configuration, an apparatus comprising a processor having a set of instructions operative to extract and compile information from a data stream having video is provided. The processor is operative to prioritize a set of parsing or decoding operations to process the data stream referred to as power management (PM) sequences based on the information and calculate projections of at least one of power and computational loading for each of the prioritized PM sequences. | 02-23-2012 |
| 20120084652 | 3D VIDEO CONTROL SYSTEM TO ADJUST 3D VIDEO RENDERING BASED ON USER PREFERNCES - 3D image data can be modified based on user preference data received from a user. The user preference data may be received at a first device and used to adjust 3D image data generated by the first device for presentation by a display device, or the first device may receive the user preference data and transmit it to a display device such that the display device may adjust the 3D image data based on the user preference data. The 3D image data may be adjusted based on user preference data to support presentation of 3D imagery on the display device in a manner desired by a user. 3D user viewing preferences may include an amount of pop-out effect in images, a stereo baseline of images, a depth range of images, a spatial distribution of images, a degree of depth sharpness in images, or specification of a user's dominant eye. | 04-05-2012 |
| 20120219060 | SYSTEM AND METHOD FOR SCALABLE ENCODING AND DECODING OF MULTIMEDIA DATA USING MULTIPLE LAYERS - A method of using a base layer to predict an enhancement layer is disclosed. The method may include using a block of multimedia data to generate a base residual including base quantized coefficients, using the block of multimedia data to generate an enhancement residual including enhancement quantized coefficients, determining a first value based on the base quantized coefficients, determining a second value based on the enhancement quantized coefficients, and determining the enhancement layer using at least one of the base quantized coefficients or the enhancement quantized coefficients. A method of decoding a multimedia bitstream may include receiving a multimedia bitstream having a base layer and an enhancement layer and decoding the base layer to determine whether the enhancement layer should be decoded using intralayer prediction or interlayer prediction. | 08-30-2012 |
| 20120294360 | CHANNEL SWITCH FRAME - Methods and apparatus to process multimedia data enabling faster channel acquisitions, improved error recovery and improved efficiency. An encoder device encodes a first portion of multimedia data using inter-coding to generate a first version, and encodes the first portion of multimedia data using intra-coding to generate a second version. A decoder device receives a first version of a first portion of multimedia data, wherein the first version is inter-coded, receives a second version of the first portion of multimedia data, wherein the second version is intra-coded, and selectively decodes the first and second received versions. | 11-22-2012 |
| 20120303822 | MULTIPATH OVERLAY NETWORK AND ITS MULTIPATH MANAGEMENT PROTOCOL - A method of wireless communication includes aggregating data in a streaming communication session from a source node in a destination aggregator node, wherein data in the streaming session is transported over multiple paths from the source node to the aggregator node via a multipath overlay network discovered by the source node and the aggregator node. | 11-29-2012 |
| 20120311072 | MULTIPATH MANAGEMENT ARCHITECTURE AND PROTOCOLS FOR MOBILE MULTIMEDIA SERVICE WITH MULTIPLE DESCRIPTION CODING - A wireless communication method includes an aggregator requesting a first description substream of a multimedia service from a source over a first path, receiving confirmation that the source is available, and receiving a first substream of the service. The method includes determining if a quality of the first substream is satisfactory, and requesting to receive the multimedia service over at least one additional path from the same source. A wireless method of communication by a source device includes receiving a multimedia service request from an end device aggregator over a first path, sending an confirmation that the source is available and sending a first substream over the first path in response to the request. The method includes receiving a request to send the multimedia service over at least one additional path to the end device aggregator from the same source. | 12-06-2012 |
| 20120314948 | MULTIPLE DESCRIPTION CODING WITH PLURAL COMBINED DIVERSITY - An apparatus, system, and method utilizing multi-description coding (MDC) for multimedia content with a plurality of forms of diversity. A source scene can be fragmented into one or more region of interest (ROI) portions and non-ROI portions, based on motion or any other metric of interest. One or more of these portions can further be fragmented by sub-sampling the respective portions to generate a plurality of lower-resolution versions, e.g., with alternating groups of pixels in respective versions. Still further, one or more of these portions can be further fragmented by image frames, e.g., with alternating frames in respective fragments. At least one ROI portion and lower-resolution versions may then be encoded into a plurality of descriptions and transmitted. Utilizing various combinations of ROI diversity, resolution diversity, and frame rate diversity can improve channel utilization and robustness for streaming multimedia content. | 12-13-2012 |
| 20120317300 | MULTIPATH RATE ADAPTATION - An end-to-end multimedia streaming system can include a streaming server and a destination. The streaming server includes a content source, which sends multiple description coding-encoded content over a plurality of paths to the destination. The destination includes an aggregator for aggregating the descriptions from the multiple paths, decoding and recombining them to recover the content. A feedback sender at the destination generates traffic performance variables based on the channel conditions of the multiple paths, and sends these variables to a feedback receiver at the streaming server. The feedback receiver utilizes the feedback information to make adjustments to the transmissions of the content, and to synchronize the transmissions over the multiple paths. | 12-13-2012 |
| 20120321001 | SHARING MULTI DESCRIPTION CODED CONTENT UTILIZING PROXIMATE HELPERS - An apparatus, system, and method utilizing multi-description coding (MDC) and one or more cooperative helper nodes to send streaming content on an uplink to a client over multiple paths. The client receives the multiple descriptions and aggregates them together to ideally obtain the original content at its original quality; however, if one or more of the descriptions is lost in the transmission, then the entire content can be generated from the remaining one or more descriptions that did arrive successfully. | 12-20-2012 |
| 20130002949 | USER INPUT BACK CHANNEL FOR WIRELESS DISPLAYS - As part of a communication session, a wireless source device can transmit audio and video data to a wireless sink device, and the wireless sink device can transmit user inputs received at the wireless sink device back to the wireless source device. In this manner, a user of the wireless sink device can control the wireless source device and control the content that is being transmitted from the wireless source device to the wireless sink device. As part of establishing the communication session, the wireless sink device and the wireless source device may perform capability negotiation. | 01-03-2013 |
| 20130003621 | USER INPUT BACK CHANNEL FOR WIRELESS DISPLAYS - As part of a communication session, a wireless source device can transmit audio and video data to a wireless sink device, and the wireless sink device can transmit user input data received at the wireless sink device back to the wireless source device. In this manner, a user of the wireless sink device can control the wireless source device and control the content that is being transmitted from the wireless source device to the wireless sink device. The user input data transmitted by the wireless sink device can be input data obtained at a third party device and forwarded to the wireless source device. | 01-03-2013 |
| 20130003622 | USER INPUT BACK CHANNEL FOR WIRELESS DISPLAYS - As part of a communication session, a wireless source device can transmit audio and video data to a wireless sink device, and the wireless sink device can transmit user inputs received at the wireless sink device back to the wireless source device. In this manner, a user of the wireless sink device can control the wireless source device and control the content that is being transmitted from the wireless source device to the wireless sink device. As part of transmitting user input to the source device, the sink device can generate a data packet that identifies a user input category for the user input, and the source device can process the data packet based on the user input category. | 01-03-2013 |
| 20130003623 | USER INPUT BACK CHANNEL FOR WIRELESS DISPLAYS - As part of a communication session, a wireless source device can transmit audio and video data to a wireless sink device, and the wireless sink device can transmit user inputs received at the wireless sink device back to the wireless source device. In this manner, a user of the wireless sink device can control the wireless source device and control the content that is being transmitted from the wireless source device to the wireless sink device. As part of transmitting user input to the source device, the sink device can generate a data packet with a data packet header that includes a timestamp flag indicating the presence of a timestamp field, and the source device can process the data packet based on a timestamp in the timestamp field. | 01-03-2013 |
| 20130003624 | USER INPUT BACK CHANNEL FOR WIRELESS DISPLAYS - As part of a communication session, a wireless source device can transmit audio and video data to a wireless sink device, and the wireless sink device can transmit user inputs received at the wireless sink device back to the wireless source device. In this manner, a user of the wireless sink device can control the wireless source device and control the content that is being transmitted from the wireless source device to the wireless sink device. As part of transmitting user input to the source device, the sink device can generate a data packet with a data packet header that includes a timestamp field, and the source device can process the data packet based on a timestamp in the timestamp field. | 01-03-2013 |
| 20130009873 | USER INPUT BACK CHANNEL FOR WIRELESS DISPLAYS - As part of a communication session, a wireless source device can transmit audio and video data to a wireless sink device, and the wireless sink device can transmit user input data received at the wireless sink device back to the wireless source device. In this manner, a user of the wireless sink device can control the wireless source device and control the content that is being transmitted from the wireless source device to the wireless sink device. | 01-10-2013 |
| 20130009887 | USER INPUT BACK CHANNEL FOR WIRELESS DISPLAYS - As part of a communication session, a wireless source device can transmit audio and video data to a wireless sink device, and the wireless sink device can transmit user input data received at the wireless sink device back to the wireless source device. In this manner, a user of the wireless sink device can control the wireless source device and control the content that is being transmitted from the wireless source device to the wireless sink device. The input data received at the wireless sink device can be a multi-touch gesture. | 01-10-2013 |
| 20130009996 | USER INPUT BACK CHANNEL FOR WIRELESS DISPLAYS - As part of a communication session, a wireless source device can transmit audio and video data to a wireless sink device, and the wireless sink device can transmit user input data received at the wireless sink device back to the wireless source device. In this manner, a user of the wireless sink device can control the wireless source device and control the content that is being transmitted from the wireless source device to the wireless sink device. The input data received at the wireless sink device can have associated coordinate information that is scaled or normalized by either the wireless sink device or the wireless source device. | 01-10-2013 |
| 20130013318 | USER INPUT BACK CHANNEL FOR WIRELESS DISPLAYS - As part of a communication session, a wireless source device can transmit audio and video data to a wireless sink device, and the wireless sink device can transmit user input data received at the wireless sink device back to the wireless source device. In this manner, a user of the wireless sink device can control the wireless source device and control the content that is being transmitted from the wireless source device to the wireless sink device. The input data received at the wireless sink device can be a voice command. | 01-10-2013 |
| 20130033435 | USER INPUT DEVICE FOR WIRELESS BACK CHANNEL - Aspects of this disclosure relate to a method that includes, in an example, sending, by a source device, display data to a sink device for rendering on the sink device. The method also includes receiving, by the source device, an indication of user input at a first display location of a touch-sensitive screen associated with the source device, wherein the user input specifies a modification of at least a portion of the display data rendered at the sink device, wherein the portion of the display data is rendered at a second display location of the sink device. The method also includes, in response to receiving the indication, sending, by the source device, second configuration data to modify the portion of the display data rendered at the second display location based at least in part on a mapping of the first display location to the second display location. | 02-07-2013 |
| 20130033496 | CONTENT PROVISIONING FOR WIRELESS BACK CHANNEL - In one example, this disclosure describes a method that includes, in an example, determining, by a source device, that display data rendered by the source device comprises one or more displayable graphical objects. The method also includes in response to determining an event, selecting, by the source device, a set of the one or more graphical objects for rendering at a sink device. The method also includes generating, by the source device, configuration data based at least in part on the set of the one or more graphical objects, wherein the configuration data is usable by the sink device to render representations of graphical objects in the set of one or more graphical objects based at least in part on one or more display parameters associated with the sink device. The method also includes sending, by the source device, the configuration data to the sink device. | 02-07-2013 |
| 20130047189 | LOW LATENCY WIRELESS DISPLAY FOR GRAPHICS - As part of a communication session, a wireless source device can transmit video component data and metadata to a wireless sink device. The wireless source device can intercept the video component data prior to the video component data being rendered by the wireless source device, and the wireless sink device can generate a frame of video data based on the video component data and the metadata. | 02-21-2013 |
| 20130064105 | FEEDBACK PROTOCOL FOR END-TO-END MULTIPLE PATH NETWORK SYSTEMS - A method, system, and computer program product for providing feedback over a multiple path network is provided. A first device sends a transmissions to a second device over at least two different paths of the network. Using information collected as a result of receiving the transmissions, the second device aggregates data regarding the performance of each of the paths together into a feedback message. The second device then sends this feedback message to the first device over one path of the network. The first device uses the data in the feedback message in its calculations for determining the relative performance of each path. The amount of traffic sent along each path is adjusted as appropriate, based on these calculations. | 03-14-2013 |
| 20130066634 | Automated Conversation Assistance - Methods, apparatuses, systems, and computer-readable media for providing automated conversation assistance are presented. According to one or more aspects, a computing device may obtain user profile information associated with a user of the computing device, the user profile information including a list of one or more words that have previously been detected in one or more previously captured speeches associated with the user. Subsequently, the computing device may select, based on the user profile information, one or more words from a captured speech for inclusion in a search query. Then, the computing device may generate the search query based on the selected one or more words. | 03-14-2013 |
| 20130089006 | MINIMAL COGNITIVE MODE FOR WIRELESS DISPLAY DEVICES - This disclosure relates to techniques for enabling a sink device in a Wireless Display (WD) system to control operation of the source device and media data sent from the source device. In one example, a method comprises establishing a communication session between a source device and at least one sink device capable of operating in a Minimal Cognitive (MC) mode, wherein the MC mode includes one or more levels, receiving a signal from the sink device to activate a particular level of the MC mode based on trigger information detected at the sink device, and sending media data to the sink device according to an altered operation of the source device for the particular level of the MC mode. | 04-11-2013 |
| 20130136116 | MULTIPATH OVERLAY NETWORK AND ITS MULTIPATH MANAGEMENT PROTOCOL - A method, a computer program product, and an apparatus are provided. The apparatus, which is a first node, sends a join request to a second node to route communication associated with a third node to the first node. The join request includes a first node identifier associated with the first node. The first node receives from the second node a join response comprising a second node identifier associated with the second node. The first node sends a setup request to the third node, the setup request comprising the second node identifier. The first node receives a communication with the first node identifier from the second node, the communication originating from the third node. | 05-30-2013 |
| 20130139210 | MULTICASTING IN A WIRELESS DISPLAY SYSTEM - This disclosure relates to techniques to establish a multicast communication session between a source device and multiple sink devices in a Wireless Display (WD) system. Two or more sink devices may be interested in receiving the same media data from the source device. According to the techniques, the source device establishes a multicast session with the sink devices in the WD system, and sends a single copy of multicast media data for the multicast session to the interested sink devices using a receiving multicast port. The source device selects a receiving multicast port number as a destination identifier for each multicast session. The sink devices interested in receiving the media data of a given multicast session bind on the receiving multicast port for the multicast session. This disclosure describes several exemplary multicast subscription procedures to ensure correct binding on the receiving multicast port at each of the sink devices. | 05-30-2013 |
| 20130145050 | WIRELESS DOCKING - Systems, methods, and devices are disclosed that identify a first peripheral and a second peripheral, receive information from the first peripheral and the second peripheral, communicate the information received from the first peripheral to the second peripheral, and communicate the information received from the second peripheral to the first peripheral. The information communicated to the first and second peripherals allow the first and second peripherals to communicate directly with one another. | 06-06-2013 |
| 20130179029 | VEHICLE DASHBOARD WIRELESS DISPLAY SYSTEM - A wireless source and an automobile dashboard configured to function as a wireless sink device are configured to communicate with one another including authenticating the source device for communications with the dashboard sink, transmitting user inputs received at the dashboard sink back to the wireless source device to enable a user to control the source device and interact with and control the content that is being transmitted from the source device to the dashboard sink, controlling the operational state of the source device based on the operational state of the automobile in which the dashboard sink is arranged, and transmitting data generated by the automobile from the dashboard sink to the source device so as to enable the source device to process at least some of the data. | 07-11-2013 |
| 20130179605 | BI-DIRECTIONAL TUNNELING VIA USER INPUT BACK CHANNEL FOR WIRELESS DISPLAYS - This disclosure describes a method of establishing a bi-directional user interface back channel (UIBC) to a computing device, receiving encapsulated peripheral data from the computing device using the UIBC, and decapsulating the peripheral data, as well as a method of establishing a bi-directional user interface back channel (UIBC) to a computing device, receiving peripheral data, encapsulating the peripheral data, and transmitting the encapsulated peripheral data to the computing device using the UIBC. | 07-11-2013 |
| 20130182645 | SYSTEM AND METHOD OF TRANSMITTING CONTENT FROM A MOBILE DEVICE TO A WIRELESS DISPLAY - A method of transmitting content to a wireless display device is disclosed. The method may include receiving multimedia data, encoding the multimedia data, and writing encoded multimedia data into a first predetermined memory location of a shared memory. Further, the method may include encapsulating the encoded multimedia data and writing encapsulation data into a second predetermined memory location of the shared memory. The method may also include calculating error control encoding and writing the error control encoding into a third predetermined memory location of the shared memory. Further, the method may include transmitting the encoded multimedia data, the encapsulation data, and the error control encoding to the wireless display device. | 07-18-2013 |
| 20130188632 | SYNCHRONIZED WIRELESS DISPLAY DEVICES - This disclosure relates to techniques for synchronizing playback of media data between a source device and one or more sink devices in a Wireless Display (WD) system. WD systems enable mobile devices to share a local display of the source device with remote sink devices. The techniques of this disclosure include a management procedure at the source device to select a universal queue size for the source device and the participating sink devices. The source device selects the universal queue size based at least on supported queue sizes of the source device and the sink devices. The media packets are then held in queues having the universal queue size at the source device and the sink devices. The uniform queue size combined with compensation for transmission delay enables each of the devices to begin processing the media packets at the same time. | 07-25-2013 |
| 20130188742 | METHOD AND APPARATUS FOR ENCODER ASSISTED-FRAME RATE UP CONVERSION (EA-FRUC) FOR VIDEO COMPRESSION - An Encoder Assisted Frame Rate Up Conversion (EA-FRUC) system that utilizes video coding and pre-processing operations at the video encoder to exploit the FRUC processing that will occur in the decoder in order to improve compression efficiency and reconstructed video quality is disclosed. One operation of the EA-FRUC system involves determining whether to encode a frame in a sequence of frames of a video content by determining a spatial activity in a frame of the sequence of frames; determining a temporal activity in the frame; determining a spatio-temporal activity in the frame based on the determined spatial activity and the determined temporal activity; determining a level of a redundancy in the source frame based on at least one of the determined spatial activity, the determined temporal activity, and the determined spatio-temporal activity; and, encoding the non-redundant information in the frame if the determined redundancy is within predetermined thresholds. | 07-25-2013 |
| 20130195119 | FEEDBACK CHANNEL FOR WIRELESS DISPLAY DEVICES - A sink device in a Wireless Display (WD) system may send performance information feedback to a source device to adjust media data processing at the source device. The performance information feedback may include performance indicators of the WD system that are capable of being measured or calculated at the sink device based on received media data or request to adjust the transmission of media data. For example, the performance information feedback may include one or more of round trip delay, delay jitter, packet loss ratio, error distribution, and received signal strength indication (RSSI). The feedback channel may be piggybacked on a reverse channel architecture referred to as the User Input Back Channel (UIBC) implemented between the source device and the sink device. | 08-01-2013 |
| 20130222210 | FRAME CAPTURE AND BUFFERING AT SOURCE DEVICE IN WIRELESS DISPLAY SYSTEM - This disclosure describes techniques to improve a user experience in a Wireless Display (WD) system. The WD system includes a source device that provides media data to one or more sink devices. The techniques are directed toward reducing end-to-end latency in the WD system while improving video playback quality at the sink devices. More specifically, the techniques include low latency screen capture and buffering at the source device. For example, a processing pipeline of the source device may be configured to include minimum-size buffers between processing steps to reduce latency. The techniques include buffering a most recent frame update captured from the media data in the minimum-size buffers and dropping older frame updates when the minimum-size buffers are full. In addition, the processing pipeline may be configured to use hardware acceleration to retrieve the frame updates from the buffers for processing. | 08-29-2013 |
| 20130222699 | CUSTOMIZED BUFFERING AT SINK DEVICE IN WIRELESS DISPLAY SYSTEM BASED ON APPLICATION AWARENESS - This disclosure describes techniques to improve a user experience in a Wireless Display (WD) system. The WD system includes a source device that provides media data to one or more sink devices. The techniques are directed toward reducing end-to-end latency in the WD system while improving video playback quality at the sink devices. More specifically, the techniques include customized buffering at the sink devices based on application awareness for the media data. The techniques include learning the type of application for the media data, and adjusting the size of buffers in the processing pipeline to achieve an appropriate balance between smoothness and latency for the application type. For example, when the media data is for a video playback application, the techniques include increasing the buffer size to increase smoothness in the video playback application. | 08-29-2013 |
| 20130223538 | CUSTOMIZED PLAYBACK AT SINK DEVICE IN WIRELESS DISPLAY SYSTEM - This disclosure describes techniques to improve a user experience in a Wireless Display (WD) system. The WD system includes a source device that provides media data to one or more sink devices. The techniques are directed toward reducing end-to-end latency in the WD system while improving video playback quality at the sink devices. More specifically, the techniques include customized playback at the sink devices based on the type of media data received from the source device. If the media data only includes video data and does not include audio data, a processing pipeline of the sink device is configured to render the video data without waiting to synchronize with non-existent audio data. If the media data includes both video data and audio data, an audio rendering start-up timer is reduced and the processing pipeline renders synchronized audio and video data according to the reduced start-up timer. | 08-29-2013 |
| 20130238702 | WIRELESS DISPLAY WITH MULTISCREEN SERVICE - Techniques of this disclosure are generally directed to a method of transmitting content of a first wireless computing device to a second wireless computing device. A first wireless computing device may initiate a WI-FI display (WFD) connection, transmit data from the first wireless computing device via the WFD connection to the second wireless computing device, execute a media sharing application that enables the first wireless computing device to share a media item of a playlist with a wireless client computing device, transmit information that describes the media item of the playlist to the wireless client computing device, wherein transmitting the information that describes the media item causes the second wireless computing device to determine if the wireless client computing device is capable of outputting the media item, and transmit the media item to the wireless client computing device. | 09-12-2013 |
| 20130246565 | SENDING HUMAN INPUT DEVICE COMMANDS OVER INTERNET PROTOCOL - A source device in a wireless display (WD) system stores a plurality of preconfigured formats. Each of the preconfigured formats is associated with a different type of human input device (HID). The source device receives one or more Internet Protocol (IP) packets from a sink device in the WD system. The one or more IP packets include a HID command (HIDC) input report. The source device identifies, based on data in the one or more IP packets, one of the preconfigured formats and parses the HIDC input report based on the identified preconfigured format in order to determine a user input. The source device then generates media data in response to the user input and sends the media data to the sink device. | 09-19-2013 |
| 20130246663 | DATA REDIRECTION FOR UNIVERSAL SERIAL BUS DEVICES - Aspects of this disclosure relate to data transfer. In an example, aspects of this disclosure include a method that includes generating, at a host device, a Universal Serial Bus (USB) redirect configuration request for establishing a connection between a first USB device connected to a USB hub and a second USB device connected to the USB hub, wherein the connection between the first USB device and the second USB device does not include the host device. The method also includes requesting, after the connection between the first USB device and the second USB device has been established, data to be routed from the first USB device to the second USB device via the USB hub. | 09-19-2013 |
| 20130282938 | Extensible WSE Hub to Support a Multi-Hop Tree of USB Hubs or Peripherals over a Wireless Link - An extensible hub is disclosed for providing multi-hop wireless communication among universal serial bus (USB) devices, for example, utilizing a WiGig Serial Extension (WSE) air interface. The extensible hub may include a device protocol adaptation layer (PAL), as well as a host PAL, and further a bridge for providing a data flow path between the device and host PALs. The bridge may be configured to distinguish between request messages and response messages in accordance with a header on those messages. Further, the extensible hub may include virtual ports and may map device handles and endpoint handles to provide for routing of messages to the correct downstream devices in a multi-hop network tree. | 10-24-2013 |
| 20130308707 | METHODS AND DEVICE FOR DATA ALIGNMENT WITH TIME DOMAIN BOUNDARY - Apparatus and methods of using content information for encoding multimedia data are described. A method of processing multimedia data includes obtaining content information of multimedia data, and encoding the multimedia data so as to align a data boundary with a frame boundary in a time domain, wherein said encoding is based on the content information. In another aspect, a method of processing multimedia data includes obtaining a content classification of the multimedia data, and encoding blocks in the multimedia data as intra-coded blocks or inter-coded blocks based on the content classification to increase the error resilience of the encoded multimedia data. Apparatus that can process multimedia data described in these methods are also disclosed. | 11-21-2013 |
| 20130309973 | SYSTEM AND METHOD FOR PERSISTENT WIRELESS DOCKING - Various aspects of the present disclosure enable a persistent docking procedure that, once a persistent docking environment has been established, can simplify the future establishment of a docking environment between the dockee and docking host. Other aspects, embodiments, and features are also claimed and described. | 11-21-2013 |
| 20130311693 | SYSTEM AND METHOD FOR WIRELESS DOCKING UTILIZING A WIRELESS DOCKING PROFILE - Various aspects of the present disclosure provide the concept of a wireless docking profile, which may be standardized across a number of vendors, such that a common standard defining minimum sets of peripherals can be shared by dockees and docking hosts to simplify connection setup and negotiation. Further aspects of the disclosure provide a docking procedure that may be utilized to establish a docking connection between the dockee and the docking host to utilize such a docking profile. Other aspects, embodiments, and features are also claimed and described. | 11-21-2013 |
| 20140013014 | METHOD AND APPARATUS FOR IDENTIFYING WIRELESS PERIPHERALS AND THEIR STATES AT A DOCKING HOST FOR WIRELESS DOCKING - Various aspects of the present disclosure enable a docking host that manages a docking environment to establish an initial connection between the docking host and one or more wireless peripheral devices to perform functionality determination of the wireless peripherals devices. The docking host may store the results of the functionality and, upon receiving a request from a dockee to access the functionality that the docking host may provide, will update the results. In one aspect of the disclosed approach, the docking host may determine the current state of the wireless peripheral devices before advertising any functionality information to the dockee. Other aspects, embodiments, and features are also claimed and described. | 01-09-2014 |
| 20140120829 | ESTABLISHING A WIRELESS DISPLAY SESSION BETWEEN A COMPUTING DEVICE AND A VEHICLE HEAD UNIT - This disclosure describes a method of transmitting media data from a source device, the method comprising establishing, with the source device, a first communication session between the source device and a sink device comprising a vehicle head unit, wherein the first communication session conforms to a communication protocol. The method also comprises discovering, with the source device and by the first communication session, the sink device. The method further comprises, during operation of the first communication session, establishing with the source device a second communication session between the source device and the sink device, wherein the second communication session conforms to a wireless display protocol. The method also comprises transmitting, using the second communication session, media data from the source device to the sink device for output to an interface of the sink device. | 05-01-2014 |
| 20140146745 | DOCKEE-CENTRIC WIRELESS DOCKING - In one example, a method includes sending a request to a wireless docking host to select one or more peripheral functions available via the wireless docking host in accordance with authentication and association information associated with a docking session with the wireless docking host. The method further includes sending a request to the wireless docking host to establish one or more payload connections with the wireless docking host, wherein the one or more payload connections are configured to communicate data via the wireless docking host for the selected one or more peripheral functions. | 05-29-2014 |
| 20140149611 | CHANNEL CONDITION AWARE USB DATA DELIVERY OVER Wi-Fi WITH DIFFERENTIAL TREATMENT ON DISTINCT USB ENDPOINTS - Various aspects of the present disclosure provide frameworks and related mechanisms to provide for Universal Serial Bus/Internet Protocol (USB/IP) data transfer utilizing WiGig Serial Extension (WSE). The frameworks and related mechanisms (1) adapt USB transfers to variations in wireless channel conditions by making suitable adjustments to the USB transfers, e.g., by adjusting the number of outstanding USB transfers and their sizes at the core driver level; (2) administer the admission of USB devices/endpoints based on channel condition and USB requirements by translating USB requirement parameters into 802.11 admission control parameters; and (3) manage multiple USB/IP endpoint sessions with differential treatments above IP using SCTP streams instead of TCP or UDP. | 05-29-2014 |
| 20140152235 | APPARATUS AND METHODS FOR UTILIZING A WIRELESS CHARGER IN A WIRELESS DOCKING ENVIRONMENT - Apparatus and methods are disclosed relating to the use and performance of a wireless charger, such as one that utilizes inductive coupling between a primary coil at the charger and a secondary coil at a mobile device that lands on the charger. In particular, the wireless charger is implemented in a wireless docking environment, where the mobile device docks with a docking host. In one example, the wireless charger is integrated as a unit with the wireless docking host. In another example, the wireless charger is a peripheral in the wireless docking environment managed by the docking host. | 06-05-2014 |
| 20140270534 | VIDEO RETARGETING USING SEAM CARVING - Aspects of the present disclosure provide improved image resizing techniques including seam craving and seam lining that consider image content in addition to geometric constraints. In one aspect of the disclosure, the energy for each of the pixels of an image is determined in accordance with an energy function. A line energy is determined for each straight line of the image, and the line energy corresponds to a sum of the energy of the pixels in each straight line. A plurality of starting points are identified for a plurality of seams corresponding to the straight lines having the lowest line energy. Further, the paths for each of the seams are determined. The image may be resized by removing the seams from the image. | 09-18-2014 |
| 20140281005 | VIDEO RETARGETING USING SEAM CARVING - Aspects of the present disclosure provide for efficient streaming of video sequences in such a way that multiple receiving devices can simultaneously display the video sequence at their full resolution. For example, some aspects of the disclosure combine seam carving, for retargeting a video sequence, with multiple description coding, for transmission of two or more streams corresponding to descriptions of the video sequence. At the receiving end, the descriptions can be aggregated and decoded, and optionally, resized to full HD resolution utilizing seam lining. | 09-18-2014 |
| 20150023648 | METHOD AND APPARATUS FOR RESOURCE UTILIZATION IN A SOURCE DEVICE FOR WIRELESS DISPLAY - This disclosure relates to techniques for resource utilization in a source device when transmitting video data in a Wireless Display (WD) system. A method for wireless display of compressed content may comprise determining, by a source device, a decoding capability of a sink device, receiving, by the source device, a request to display compressed content at the sink device in a wireless display session, and in the case that the decoding capability of the sink device allows for decoding of the compressed content, transmitting the compressed content from the source device to the sink device, whereby transcoding the compressed content is avoided in the source device. | 01-22-2015 |
