Patent application number | Description | Published |
20090161697 | Method and System for Interleaving Video and Data for Transmission over a Network at a Selected Bit Rate - A StatMux system and method are provided for efficiently allocating time slots on the transmission channel between bit streams representing video and bit streams representing data. By providing such a system and method, when a decreased number of data bits need to be transmitted, a decreased number of time slots may be allocated for transmitting the data bits and an increased number of time slots may be allocated for transmitting video bits. When a decreased number of video bits needs to be transmitted, a decreased number of time slots may be allocated for transmitting video bits and an increased number of time slots may be allocated for transmitting data bits. | 06-25-2009 |
20100158120 | Reference Picture Selection for Sub-Pixel Motion Estimation - A video coding system includes a prediction module configured to perform multi-reference picture sub-pixel motion estimation. Reference pictures are selected for the sub-pixel motion estimation based on full-pixel motion estimation. A cost function is used to select the reference pictures from one or more groups of reference pictures for a block in a macroblock. The cost is based on full-pixel motion estimation errors and a predicted motion vector for the block. The selected reference pictures are used for sub-pixel motion estimation to get the final motion vector for each block. | 06-24-2010 |
20110085593 | Macroblock Level Adaptive Frame/Field Coding for Digital Video Content - A method and system of encoding and decoding digital video content. The digital video content comprises a stream of pictures which can each be intra, predicted, or bi-predicted pictures. Each of the pictures comprises macroblocks that can be further divided into smaller blocks. The method entails encoding and decoding each of the smaller blocks in each picture in said stream of pictures in either frame mode or in field mode. | 04-14-2011 |
20110150073 | SCALABLE VIDEO TRANSCODING DEVICE - A transcoding device is configured to transcode a scalable video coded stream to a single layer encoded video stream for a receiving device. The transcoding device includes an interface connecting the receiving device to the transcoding device, and a transcoder. The transcoder receives the scalable video coded stream via the interface from the receiving device in response to the receiving device determining the encoded video stream includes the scalable video coded stream. The transcoder generates a single layer encoded video stream from the scalable video coded stream based on coding parameters describing a single layer encoded video stream to be generated by the transcoder. The transcoding device sends the single layer encoded video stream to the receiving device via the interface. | 06-23-2011 |
20120328020 | FRACTIONAL PIXEL INTERPOLATION FILTER FOR VIDEO COMPRESSION - In one embodiment, a method for encoding or decoding video content is provided. The method includes receiving a plurality of full-pel pixel values. A set of coefficients is determined for an interpolation filter to interpolate a sub-pel pixel value for a motion compensation operation. Different coefficients are assigned to weight the plurality of full-pel pixel values in different operations in the interpolation filter. The sub-pel pixel values from the different operations are determined. Then, the method outputs the interpolated sub-pel pixel value for use in the motion compensation operation. | 12-27-2012 |
20140013376 | METHODS AND DEVICES FOR EFFICIENT ADAPTIVE BITRATE STREAMING - A method for providing video content from a server to a plurality of media devices is disclosed, the method comprising: determining, by the server, the bandwidth to allocate to each of the plurality of media devices using a hypertext transfer protocol-based live streaming client model or a need parameter vector and providing the allocated bandwidth to each of the plurality of media devices, wherein the video content is transmitted in a plurality of segments from the server, and wherein each segment is transmitted at a bitrate that may vary from segment to segment. | 01-09-2014 |
20140082144 | USE OF A RECEIVE-WINDOW SIZE ADVERTISED BY A CLIENT TO A CONTENT SERVER TO CHANGE A VIDEO STREAM BITRATE STREAMED BY THE CONTENT SERVER - A method for transmitting video streams from a server to a media device includes selecting by the server first encoding parameters for a first set of video streams based on a first current bandwidth capacity for a network and based on a first current window size of a receive buffer of the media device, and transmitting the first set of video streams from the server to the media device. The method includes selecting by the server second encoding parameters for a second set of video streams based on a second current bandwidth capacity for the network based on a second current window size of the buffer. The first current bandwidth capacity is different from the second current bandwidth capacity or the first window size is different from the second current window size. The method includes transmitting the second set of video streams from the server to the media device. | 03-20-2014 |
20140089469 | METHODS AND DEVICES FOR EFFICIENT ADAPTIVE BITRATE STREAMING - Methods and systems for a content server to select sets of video streams having different encoding parameters for transmitting the sets of video streams to a media device are disclosed herein. In some embodiments, a method for transmitting video streams for a media program from a server to a media device includes: selecting, by the server, first encoding parameters including a first bitrate for a first set of video streams for the media program based on a first estimated bandwidth capacity for a network linking the server and the media device, transmitting the first set of video streams from the server to the media device, determining, by the server, second encoding parameters including a second bitrate for a second set of video streams for the media program, and transmitting the second set of video streams from the server to the media device. | 03-27-2014 |
20150023435 | RESAMPLING FILTERS FOR SCALABLE VIDEO CODING WITH PHASE OFFSET ADJUSTMENT AND SIGNALING OF SAME - Upsampling filters for use in scalable video coding may be selected from a set of filters each with a different phase. In order to accommodate a phase offset introduced from downsampling required to maintain proper luma/chroma color space positions after upsampling, an offset parameter may be used in computing the filter index. Moreover, a different offset may be used for each filter index. These offsets in effect provide a re-mapping of the filter indices. By remapping the filter indices in this manner the performance of the upsampling process can be improved and errors introduced by rounding or which are caused by the finite precision of the process used to compute the filter indices can be taken into account. | 01-22-2015 |
20150350662 | On Reference Layer and Scaled Reference Layer Offset Parameters for Inter-Layer Prediction in Scalable Video Coding - A process for determining the selection of filters and input samples is provided for scalable video coding. The process provides for re-sampling using video data obtained from an encoder or decoder process of a base layer (BL) in a multi-layer system to improve quality in Scalable High Efficiency Video Coding (SHVC). In order to provide better alignment between layers, it is proposed that reference layer offset adjustment parameters be signaled. | 12-03-2015 |
20150381690 | SERVER SIDE ADAPTIVE BIT RATE CONTROL FOR HTTP STREAMING CLIENTS - Methods and systems are described for adaptively transmitting streaming data to a client. In one embodiment, the method comprises receiving, in a server, a request for a data asset from the client, transcoding at least an segment of the data asset according to initial transcoding parameters, transmitting a first fragment of the transcoded segment of the data asset from the server to the client over a communication channel, generating an estimate of a bandwidth of the communications channel at least in part from information acknowledging reception of at least the first fragment of the transcoded segment of the data asset by the client, generating adaptive transcoding parameters at least in part from an estimate of a bandwidth of the communications channel, the estimate generated at the server, transcoding a further segment of the data asset according to the adaptive transcoding parameters, and transmitting the further segment of the data asset. | 12-31-2015 |
Patent application number | Description | Published |
20090110066 | Method and Apparatus for Selecting a Coding Mode - A method and apparatus for selecting a coding mode for a block of a current picture are disclosed. For example, the method selects a coding mode in accordance with a cost function, for coding the block, wherein the cost function comprises a coding distortion parameter and a number of coding bits parameter, wherein said coding distortion parameter is measured in accordance with at least one of: between a prediction residual and a reconstructed prediction residual, or between a transformed prediction residual and a dequantized transformed prediction residual, wherein the number of coding bits parameter is computed in accordance with at least one of: from a true number of compressed bits resulting from coding said block, directly from a plurality of bins, or directly from a plurality of quantized transform coefficients. | 04-30-2009 |
20090129472 | Method and Apparatus for Performing Motion Estimation - The present invention discloses a system and method for performing motion estimation associated with an encoder, e.g., a H.264/MPEG-4 AVC compliant encoder. For example, the method selects a motion vector centering for a current block in a search area of at least one reference picture. The method calculates a matching cost for each of a plurality of candidate motion vectors derived from the search area, and outputs at least one of the plurality of candidate motion vectors based on the matching cost associated with each of the plurality of candidate motion vectors to a main coding loop. | 05-21-2009 |
20110012992 | SIMULCAST OF STEREOVIEWS FOR 3D TV - A three-dimensional (3D) video encoder includes a first encoder, a second encoder, and a multiplexer. The first encoder is configured to encode a base view to form a first independently compressed video stream associated with video content. The second encoder is configured to encode a nonbase view to form a second independently compressed video stream associated with the video content. The multiplexer is configured to multiplex the first and second independently compressed video streams associated with the video content to form a transport stream. The transport stream is operable to be processed to render a 3D video using the base and nonbase views. | 01-20-2011 |
20110026608 | METHOD OF ENCODING VIDEO CONTENT - In a method of encoding video content, bits of a first view and a second view of a three-dimensional (3D) video content are manipulated to occupy a first slice of video and a second slice of video, wherein a boundary is configured to be formed between the first and second slices. In addition, the bits of each of the first slice and the second slice are encoded separately from each other to form a first independently compressed video slice and a second independently compressed video slice. The first and second independently compressed video slices are then multiplexed to form at least one transport stream operable to be processed to render at least one of two-dimensional (2D) and 3D video. | 02-03-2011 |
20110149026 | 3D VIDEO TRANSFORMING DEVICE - A 3D video conversion device is operable to convert a first MPEG stream to a second MPEG stream. The 3D video conversion device includes an input module operable to receive a multiple-view stream, a conversion module operable to convert the multiple-view stream. The conversion module includes a decoding module operable to decode the multiple-view stream, a reformatting module operable to generate 3D views from decoded information, and an encoding module operable to re-encode the 3D views to an STB format stream, and an output module operable to output a reformatted stream. | 06-23-2011 |
20110175988 | 3D VIDEO GRAPHICS OVERLAY - Preparing a three dimensional (3D) video graphical overlay based on a two dimensional (2D) graphical image in a decoded stereoscopic video signal. This includes receiving the 2D graphical image and receiving 3D information associated with the 3D video graphical overlay. This also includes reproducing, using a processor, the 2D graphical image to form a first view graphical image and a second view graphical image in a graphics window. This also includes mapping the first and second view graphical images, using the 3D information, to frames in the 3D video to form a 3D video graphical overlay of a 3D video stream. This also includes blending the 3D video graphical overlay and the 3D video stream. | 07-21-2011 |
20110176616 | FULL RESOLUTION 3D VIDEO WITH 2D BACKWARD COMPATIBLE SIGNAL - Items are used to encode or in encoding a stereoscopic video signal. The signal includes first view frames based on a first view associated with a first eye perspective and second view frames based on a second view associated with a second eye perspective. The encoding includes receiving the stereoscopic video signal and determining the first view frames and the second view frames. The encoding also includes encoding the first view frames based on the first view and encoding the second view frames based on the second view and also the first view. In the encoding, a plurality of the encoded second view frames reference at least one first view frame for predictive coding information. Items are also used to decode the encoded stereoscopic video signal. | 07-21-2011 |
20110216164 | METHOD AND APPARATUS FOR CONVERTING TWO-DIMENSIONAL VIDEO CONTENT FOR INSERTION INTO THREE-DIMENSIONAL VIDEO CONTENT - A method and apparatus is provided that converts video content from a first format type into a second format type so that the video content can be viewed with other video content that has the second video format type. The method includes determining a first format of a first stream of video content ( | 09-08-2011 |
20110235991 | MOVING CONTENT BETWEEN SET TOP BOX AND END DEVICES IN HOME - A content moving device which enables providing content stored on a first user device, such as a DVR, in a first format and resolution to be provided to a second user device, such as a portable media player (PMP) in a second format and resolution. The content moving device identifies content on the first user device as candidate content which may be desired by the PMP and receives the candidate content from the DVR. The content moving device transcodes the candidate content at times independent of a request from the PMP for the content. The content moving device may provide a list of available transcoded content to the PMP for selection, and provide selected content to the PMP. The content moving device may also provide information relating to any protection schemes of the content provided to the PMP, such as DRM rights and decryption keys. The content moving device performs the often computationally intense and time consuming transcoding of user content to enable the user to move content between different user devices in a convenient manner. | 09-29-2011 |
20110273534 | Program Guide Graphics and Video in Window for 3DTV - Video data is received in 2D or 3D format from different channels as a user scrolls through an electronic guide. The video data may be displayed in a portion of the on screen display along with graphic and text associated with the EPG data. The received video data may be converted to a suitable format to be displayed with Electronic Program Guide (EPG). The video data may be converted from a 3D to a 2D format to be displayed with the EPG data. The video data may be converted from a 2D format to a 3D format, while the EPG data displays in a 2D format. The video data may be converted from one 3D format to another 3D format for display with the EPG data. The selection of converting the received video data can be based on a display format of a previously viewed channel prior to requesting the EPG to be displayed. | 11-10-2011 |
20120079054 | Automatic Memory Management for a Home Transcoding Device - A content moving device which enables providing content stored on a first user device, such as a DVR, in a first format and resolution to be provided to a second user device, such as a portable media player (PMP) in a second format and resolution. The content moving device identifies content on the first user device as candidate content which may be desired by the PMP and assigns a priority level to the content. The content moving device transcodes the candidate content in order of highest priority first and lowest priority last. The content moving device may also use the priority level to manage deletion of the transcoded content from the storage on the content moving device. The lowest priority level content may be deleted first as storage space is needed. | 03-29-2012 |
20120082243 | Method and Apparatus for Feature Based Video Coding - In a video distribution system, a divider ( | 04-05-2012 |
20120147157 | METHOD AND APPARATUS FOR MANAGING 3D VIDEO CONTENT - In a method of managing 3D video stream, 3D video stream is output to a connected display. The connected display displays the 3D video stream after a delay associated with the connected display. A timing offset is determined based on the delay. The timing offset is operable to be used to synchronize shutter operations of at least one shutter glasses with the presentation of the 3D video stream. A shutter control signal based on a frame start indication from the 3D video stream is transmitted. The frame start indication is operable to be used to determine a frame rate of the 3D video stream, and the shutter control signal is operable to be used to maintain synchronization of the shutter operations of the at least one shutter glasses with the presentation of the 3D video stream at the connected display. | 06-14-2012 |
20120169843 | Method and Apparatus for 3DTV Image Adjustment | 07-05-2012 |
20120170646 | METHOD AND APPARATUS FOR SPACIAL SCALABILITY FOR HEVC - In a video distribution system, a divider ( | 07-05-2012 |
20130022108 | QUANTIZATION PARAMETER DERIVATION FROM QP PREDICTOR - A method for determining quantization parameters is provided. The method includes determining one or more first units of video content in a grouping of units and analyzing whether the one or more first units of video content within a region in the grouping of units have coefficients for the video content that are zero. The method then determines whether a quantization parameter for one or more second units of video content different from the one or more first units of video content is to be used to derive the quantization parameter for the one or more first units of video content. When the quantization parameter for the one or more second units of video content is to be used, the quantization parameter for the one or more first units of video content is derived from the quantization parameter for the one or more second units of video content. | 01-24-2013 |
20130198342 | MEDIA FORMAT NEGOTIATION MECHANISM DELIVERING CLIENT DEVICE MEDIA CAPABILITIES TO A SERVER - A method and apparatus is provided for negotiating a media format to be used by a client device to access a media object. The method includes receiving data over a communications network from a client device. The data specifies at least one media format in which the client device is able to render the media object. Based on the data received from the client device, one or more media formats is determined in which the media object is available so that the media object is renderable by the client device. The media object is delivered to the client device over the communications network in at least one of the one or more media formats. | 08-01-2013 |
20130232228 | MANAGING ADAPTIVE STREAMING OF DATA VIA A COMMUNICATION CONNECTION - Data are received at a receiving device from a server, where the data are encoded into one of a plurality of different versions, each version having a different fidelity level. A data stream having a buffer with an initial maximum window size for buffering received data is requested from the server, wherein the data stream initially has a first fidelity level. The maximum window size is managed to prevent the current window size from falling below a threshold that might trigger an adjustment by the server in the fidelity level of the data stream sent by the server, unless and until the accumulation of data in the buffer due to a decrease in the present processing capabilities of the controller of the receiving device falls below a threshold of processing power necessary for processing the data stream at the higher fidelity level for more than a transitory period of time. | 09-05-2013 |
20130301702 | SCALABLE VIDEO CODING WITH ENHANCED BASE LAYER - Disclosed is a method comprising: (a) receiving a layer 0 bitstream, the layer 0 bitstream including coding information for the layer 0 bitstream; (b) receiving a layer 1 bitstream, the layer 1 bitstream including coding information for the layer 1 bitstream; and (c) reconstructing the layer 0 bitstream using previously received information for another layer 0 bitstream and previously received information for another layer 1 bitstream. | 11-14-2013 |
20140003556 | Method and Apparatus for Detecting the Presence of a Signal in a Frequency Band Using Non-Uniform Sampling | 01-02-2014 |
20140036995 | Method and Apparatus for Selecting a Coding Mode - A method and apparatus for selecting a coding mode for a block of a current picture are disclosed. For example, the method selects a coding mode in accordance with a cost function, for coding the block, wherein the cost function comprises a coding distortion parameter and a number of coding bits parameter, wherein said coding distortion parameter is measured in accordance with at least one of: between a prediction residual and a reconstructed prediction residual, or between a transformed prediction residual and a dequantized transformed prediction residual, wherein the number of coding bits parameter is computed in accordance with at least one of: from a true number of compressed bits resulting from coding said block, directly from a plurality of bins, or directly from a plurality of quantized transform coefficients. | 02-06-2014 |
20140040496 | ON-DEMAND HTTP STREAM GENERATION - In embodiments of on-demand HTTP stream generation, a manifest file ( | 02-06-2014 |
20140068690 | BROADCAST CONTENT TO HTTP CLIENT CONVERSION - In embodiments of broadcast content to HTTP client conversion, a client converter ( | 03-06-2014 |
20140143440 | METHOD AND APPARATUS FOR STREAMING MEDIA CONTENT TO CLIENT DEVICES - A method and apparatus for providing streamed media to client devices includes providing, for a client device, a variant playlist file that identifies a plurality of variant streams each corresponding to a different encoding of the same presentation but each presenting the same content having the same duration; and receiving, from the client device, a first request to provide a first set of identifiers that directs the first client device to a first set of media segments from a first variant stream of the plurality of variant streams in the variant playlist file, wherein the first set of media segments corresponds to a first encoding. The method further includes, responsive to the first request, providing a second set of identifiers that directs the client device to a second set of media segments, which corresponds to a second encoding, to use in downloading a first portion of the content. | 05-22-2014 |
20140269897 | ADAPTIVE SAMPLING FILTER PROCESS FOR SCALABLE VIDEO CODING - A sampling filter process is provided for scalable video coding. The process provides for re-sampling using video data obtained from an encoder or decoder process of a base layer (BL) in a multi-layer system using adaptive phase shifting to improve quality. Examples of a multi-layer encoder or decoder process are MPEG-4 Advanced Video Coding (AVC) and High Efficiency Video Coding (HEVC). The re-sampled BL data can be used in encoding or decoding of a corresponding video data of higher layers in a scalable video coding system. For example, the re-sampled or upsampled data can be used as a basis for prediction of the higher resolution video data. | 09-18-2014 |
20140301440 | SIGNALING FOR ADDITION OR REMOVAL OF LAYERS IN VIDEO CODING - In one embodiment, a method determines an encoded plurality of layers for a scalable video stream for a video where each of the plurality of layers includes a respective layer parameter setting. An additional layer for the plurality of layers is determined where the additional layer enhances a base layer in the plurality of layers and the respective layer parameter settings for the encoded plurality of layers do not take into account the additional layer. The method then determines an additional layer parameter setting for the additional layer. The additional layer parameter setting specifies a relationship between the additional layer and at least a portion of the plurality of layers where the additional layer parameter setting is used to decode the additional layer and the at least a portion of the plurality of layers. | 10-09-2014 |
20140301482 | INDIVIDUAL BUFFER MANAGEMENT IN VIDEO CODING - In one embodiment, a method determines buffer parameter settings for a plurality of layers in a scalable video stream for a video. Each layer includes a respective buffer parameter setting. Then, the method applies respective buffer parameter settings to individual buffers for respective layers in the plurality of layers. The respective layers are buffered in the individual buffers according to the respective buffer parameter settings where the respective layers are combined after the buffers to form a combined bitstream including the respective layers for decoding. | 10-09-2014 |
20140301488 | DERIVATION OF RESAMPLING FILTERS FOR SCALABLE VIDEO CODING - A method for determining a resampling filter for resampling a video signal used in scalable video coding includes estimating a set of row filters based on a video signal. The video signal has a base resolution that is resampled to provide an output signal that enables more efficient coding of the video signal with an enhanced resolution higher than a base resolution. The set of row filters is applied to the video signal to generate a first output signal having rows that are interpolated to the enhanced resolution. A set of column filters is estimated based on the first output signal for resampling the columns in the video signal. The set of column filters is applied to the first output signal to generate a second output signal having columns as well as rows that are interpolated to the enhanced resolution. | 10-09-2014 |
20140307773 | RE-SAMPLING WITH PHASE OFFSET ADJUSTMENT FOR LUMA AND CHROMA TO SELECT FILTERS IN SCALABLE VIDEO CODING - A sampling filter process is provided for scalable video coding. The process provides for re-sampling using video data obtained from an encoder or decoder process of a base layer (BL) in a multi-layer system using adaptive phase shifting to improve quality in Scalable High efficiency Video Coding (SHVC). In order to compensate for phase offsets introduced by downsampling an appropriate phase offset adjustment is made for upsampling in SHVC with an appropriate offset included for proper luma/chroma color space positions. In one approach the luma/chroma phase offset is specified and a filter is selected to apply the appropriate phase change. | 10-16-2014 |
20140307774 | RE-SAMPLING WITH PHASE OFFSET ADJUSTMENT FOR LUMA AND CHROMA TO SIGNAL ADAPTIVE FILTERS IN SCALABLE VIDEO CODING - A sampling filter process is provided for scalable video coding. The process provides for re-sampling using video data obtained from an encoder or decoder process of a base layer (BL) in a multi-layer system using adaptive phase shifting to improve quality in Scalable High efficiency Video Coding (SHVC). In order to compensate for phase offsets introduced by downsampling an appropriate phase offset adjustment is made for upsampling in SHVC with an appropriate offset included for proper luma/chroma color space positions. In one approach, an adaptive filter is signaled with its phase offset adjusted to account for the luma/chroma offset. | 10-16-2014 |
20150046571 | MANAGING ADAPTIVE STREAMING OF DATA VIA A COMMUNICATION CONNECTION - An example method includes requesting a data stream using a buffer with an initial maximum window size for buffering received data associated with the requested data stream, receiving into the buffer one or more data segments associated with the data stream, removing from the buffer one or more data segments for use by a receiving device, and determining a current window size of the buffer, wherein the current window size is equal to the maximum window size less any data segments which have been received that have not been removed from the buffer. The method further includes comparing the current window size to a predetermined threshold, and in response to determining that the current window size is less than the predetermined threshold, increasing the maximum window size, and initiating a buffer size increase timer having a current timer value and a timer expiration value. | 02-12-2015 |
20150117550 | METHOD AND APPARATUS FOR DECODING AN ENHANCED VIDEO STREAM - Disclosed are herein are methods and systems for encoding and decoding enhanced video streams using a legacy and scalable video components. In one aspect, a method of encoding video data in a packetized elementary stream (PES), is disclosed. The method includes receiving a signal including frames of image data, wherein the frames include base layer and enhancement layer components; encoding the frames of image data to form video access units (AUs), wherein base layer AUs are formed for base layer components and enhancement layers AUs are formed for enhancement layer components, each AU including: an elementary stream header (ELSM) including image data metadata parameters associated with decoding and displaying the image data; a PES header including a presentation time stamp (PTS) and a PES packet length indicating the length of the PES header; one or more codestreams associated with a frame of the image data; adding a network abstraction layer (NAL) unit header defined by an enhancement layer video standard to each base layer AU, the NAL unit header being a constant value and length; and forming a modified PES header by increasing the PES packet length to include the length of the NAL unit header in it | 04-30-2015 |
20150271509 | SCALABLE CODING OF VIDEO SEQUENCES USING TONE MAPPING AND DIFFERENT COLOR GAMUTS - A Scalable Video Coding (SVC) process is provided for scalable video coding that takes into account color gamut primaries along with spatial resolution. The process provides for re-sampling using video color data obtained from an encoder or decoder process of a base layer (BL) in a multi-layer system to enable improved encoding and decoding in an enhancement layer (EL) or higher layers taking into account color conversion between layers. Examples of applicable SVC include MPEG-4 Advanced Video Coding (AVC) and High Efficiency Video Coding (HEVC). With the SVC process, video data expressed in one color gamut space can be used for prediction in encoding with a possibly different color space, and accommodation for different spatial resolution and bit-depth can be made as well. | 09-24-2015 |
20150281800 | BROADCAST CONTENT TO HTTP CLIENT CONVERSION - In embodiments of broadcast content to HTTP client conversion, a client converter receives video content as an input of broadcast content data streams from a content distribution system. The client converter can join a content data stream of the broadcast input, and convert the content data stream to unicast HTTP data, such as video content segments that are buffered for communication to a client device or to a media player of a client device. An HTTP server of the client converter can then communicate the unicast HTTP data to the client device or to the media player for playback of the video content. | 10-01-2015 |
20150312582 | SCALABLE VIDEO CODING USING REFERENCE AND SCALED REFERENCE LAYER OFFSETS - A process for determining the selection of filters and input samples is provided for scalable video coding. The process provides for re-sampling using video data obtained from an encoder or decoder process of a base layer (BL) in a multi-layer system to improve quality in Scalable High Efficiency Video Coding (SHVC). In order to accommodate other applications such as interlace/progressive scalability and to increase the resolution of the alignment between layers, it is proposed that the phase offset adjustment parameters be signaled. | 10-29-2015 |
20150319447 | Reference Layer and Scaled Reference Layer Offsets for Scalable Video Coding - A process for determining the selection of filters and input samples is provided for scalable video coding. The process provides for re-sampling using video data obtained from an encoder or decoder process of a base layer (BL) in a multi-layer system to improve quality in Scalable High Efficiency Video Coding (SHVC). It is proposed that a single scaled reference layer offset be derived from two scaled reference layer offset parameters, and vice-versa. It is also proposed that a single scaled reference layer offset or a single reference layer offset be derived from a combination of a scaled reference layer offset parameter and a reference layer offset parameter. | 11-05-2015 |
20150341644 | Individual Buffer Management in Transport of Scalable Video - A method is provided to determine buffer parameter settings for a plurality of layers in a transport stream. Each layer includes a respective transport stream buffer parameter setting. Then, the method provides respective transport stream buffer parameter settings to individual transport stream buffers for respective layers in the plurality of layers. Then, the method buffers the respective layers in the individual transport stream buffers according to the respective transport stream buffer parameter settings. After buffering, the method combines the respective layers to form a combined bit stream. | 11-26-2015 |
20150341645 | Signaling for Addition or Removal of Layers in Scalable Video - A method of signaling individual layers in a transport stream is provided that includes: determining a plurality of layers in a transport stream, wherein each layer includes a respective transport stream parameter setting; determining an additional layer for the plurality of layers in the transport stream, wherein the additional layer enhances one or more of the plurality of layers including a base layer and the respective layer parameter settings for the plurality of layers do not take into account the additional layer; and determining an additional transport stream parameter setting for the additional layer, the additional transport stream parameter setting specifying a relationship between the additional layer and at least a portion of the plurality of layers, wherein the additional transport stream parameter setting is used to decode the additional layer and the at least a portion of the plurality of layers. | 11-26-2015 |
20150341649 | Signaling and Selection for the Enhancement of Layers in Scalable Video - A method is provided for signaling individual layer parameters in a transport stream that includes: indicating, using a supplemental enhancement information (SEI) message in the video stream, operation point information; inserting the operation point information in the transport stream using an operation point descriptor; and providing the operation point descriptor in a Program Map Table (PMT). | 11-26-2015 |
20150341687 | MOVING CONTENT BETWEEN SET TOP BOX AND END DEVICES IN HOME - A content moving device which enables providing content stored on a first user device, such as a DVR, in a first format and resolution to be provided to a second user device, such as a portable media player (PMP) in a second format and resolution. The content moving device identifies content on the first user device as candidate content which may be desired by the PMP and receives the candidate content from the DVR. The content moving device transcodes the candidate content at times independent of a request from the PMP for the content. The content moving device may provide a list of available transcoded content to the PMP for selection, and provide selected content to the PMP. The content moving device may also provide information relating to any protection schemes of the content provided to the PMP, such as DRM rights and decryption keys. The content moving device performs the often computationally intense and time consuming transcoding of user content to enable the user to move content between different user devices in a convenient manner. | 11-26-2015 |
20160029003 | METHOD AND APPARATUS FOR CONVERTING TWO-DIMENSIONAL VIDEO CONTENT FOR INSERTION INTO THREE-DIMENSIONAL VIDEO CONTENT - A method includes receiving a first three-dimensional video content, determining a three-dimensional format of the first three-dimensional video content, and converting a two-dimensional video content into a second three-dimensional video content based on the determined three-dimensional format, wherein converting the two-dimensional video content comprises decimating the two-dimensional video content. The method further includes splicing the second three-dimensional video content into the first three-dimensional video content. | 01-28-2016 |
Patent application number | Description | Published |
20130242673 | TECHNIQUES FOR ACCESSING MEMORY CELLS - Techniques for accessing memory cells are disclosed. In one particular embodiment, the techniques may be realized as an apparatus providing voltage to a high impedance node of a memory cell. The apparatus may comprise a precharge switch coupled to a first voltage source node, a precharge capacitor coupled to the precharge switch, and a switch matrix coupled to the precharge capacitor, a second voltage source node, and the high impedance node of the memory cell. The precharge switch may be configured to decouple the precharge capacitor from the first voltage source node, and the switch matrix may be configured to decouple the second voltage source node from the high impedance node of the memory cell and to couple the precharge capacitor to the high impedance node of the memory cell. | 09-19-2013 |
20130322148 | TECHNIQUES FOR PROVIDING A DIRECT INJECTION SEMICONDUCTOR MEMORY DEVICE - Techniques for providing a direct injection semiconductor memory device are disclosed. In one particular exemplary embodiment, the techniques may be realized as a method for biasing a direct injection semiconductor memory device. The method may comprise applying a first voltage potential to a first N-doped region via a bit line and applying a second voltage potential to a second N-doped region via a source line. The method may also comprise applying a third voltage potential to a word line, wherein the word line is spaced apart from and capacitively coupled to a body region that is electrically floating and disposed between the first N-doped region and the second N-doped region. The method may further comprise applying a fourth voltage potential to a P-type substrate via a carrier injection line. | 12-05-2013 |
20140321218 | TECHNIQUES FOR ACCESSING MEMORY CELLS - Techniques for accessing memory cells are disclosed. In one particular embodiment, the techniques may be realized as an apparatus providing voltage to a high impedance node of a memory cell. The apparatus may comprise a precharge switch coupled to a first voltage source node, a precharge capacitor coupled to the precharge switch, and a switch matrix coupled to the precharge capacitor, a second voltage source node, and the high impedance node of the memory cell. The precharge switch may be configured to decouple the precharge capacitor from the first voltage source node, and the switch matrix may be configured to decouple the second voltage source node from the high impedance node of the memory cell and to couple the precharge capacitor to the high impedance node of the memory cell. | 10-30-2014 |
20150054133 | TECHNIQUES FOR PROVIDING A DIRECT INJECTION SEMICONDUCTOR MEMORY DEVICE - Techniques for providing a direct injection semiconductor memory device are disclosed. In one particular exemplary embodiment, the techniques may be realized as a method for biasing a direct injection semiconductor memory device. The method may comprise applying a first voltage potential to a first N-doped region via a bit line and applying a second voltage potential to a second N-doped region via a source line. The method may also comprise applying a third voltage potential to a word line, wherein the word line is spaced apart from and capacitively coupled to a body region that is electrically floating and disposed between the first N-doped region and the second N-doped region. The method may further comprise applying a fourth voltage potential to a P-type substrate via a carrier injection line. | 02-26-2015 |
20150146472 | Memory Systems and Memory Programming Methods - Memory systems and memory programming methods are described. According to one aspect, a memory system includes program circuitry configured to provide a program signal to a memory cell to program the memory cell from a first memory state to a second memory state, detection circuitry configured to detect the memory cell changing from the first memory state to the second memory state during the provision of the program signal to the memory cell to program the memory cell, and wherein the program circuitry is configured to alter the program signal as a result of the detection and to provide the altered program signal to the memory cell to continue to program the memory cell from the first memory state to the second memory state. | 05-28-2015 |
20150194191 | Memory Devices, Memory Device Operational Methods, and Memory Device Implementation Methods - Memory devices, memory device operational methods, and memory device implementation methods are described. According to one arrangement, a memory device includes memory circuitry configured to store data in a plurality of different data states, temperature sensor circuitry configured to sense a temperature of the memory device and to generate an initial temperature output which is indicative of the temperature of the memory device, and conversion circuitry coupled with the temperature sensor circuitry and configured to convert the initial temperature output into a converted temperature output which is indicative of the temperature of the memory device at a selected one of a plurality of possible different temperature resolutions, and wherein the converted temperature output is utilized by the memory circuitry to implement at least one operation with respect to storage of the data. | 07-09-2015 |
20150194961 | Level Shifters, Memory Systems, and Level Shifting Methods - Level shifters, memory systems, and level shifting methods are described. According to one arrangement, a level shifter includes an input configured to receive an input signal in a first voltage domain, an output configured to output an output signal from the level shifter in a second voltage domain different than the first voltage domain, a plurality of pull-down devices, and wherein one of the pull-down devices is coupled with the input and the output, a plurality of cross-coupled devices coupled with the pull-down devices and configured to provide transitions in the output signal as a result of transitions in the input signal, a plurality of current limiting devices coupled with the cross-coupled devices and configured to limit a flow of current from a source to the cross-coupled devices, and a plurality of dynamic devices configured to selectively provide charging current from the source to the cross-coupled devices. | 07-09-2015 |
20150371706 | Memory Systems and Memory Programming Methods - Memory systems and memory programming methods are described. According to one aspect, a memory system includes program circuitry configured to provide a program signal to a memory cell to program the memory cell from a first memory state to a second memory state, detection circuitry configured to detect the memory cell changing from the first memory state to the second memory state during the provision of the program signal to the memory cell to program the memory cell, and wherein the program circuitry is configured to alter the program signal as a result of the detection and to provide the altered program signal to the memory cell to continue to program the memory cell from the first memory state to the second memory state. | 12-24-2015 |
20160118087 | Memory Devices, Memory Device Operational Methods, and Memory Device Implementation Methods - Memory devices, memory device operational methods, and memory device implementation methods are described. According to one arrangement, a memory device includes memory circuitry configured to store data in a plurality of different data states, temperature sensor circuitry configured to sense a temperature of the memory device and to generate an initial temperature output which is indicative of the temperature of the memory device, and conversion circuitry coupled with the temperature sensor circuitry and configured to convert the initial temperature output into a converted temperature output which is indicative of the temperature of the memory device at a selected one of a plurality of possible different temperature resolutions, and wherein the converted temperature output is utilized by the memory circuitry to implement at least one operation with respect to storage of the data. | 04-28-2016 |