| Entries |
| Document | Title | Date |
|---|
| 20080252782 | Signal Source Device - A DVD player of a signal source device generates a video signal and an audio signal, and outputs the signals to a plasma display unit of a signal sink device. The DVD player outputs the video signal and the audio signal to the plasma display unit via a transmission line in conformity with an HDMI standard after elapsing a predetermined waiting time, which is set to be longer than a time required for an initial start setting process by the plasma display unit after completion of equipment authentication with the plasma display unit. | 10-16-2008 |
| 20090021640 | SIGNAL PROCESSING APPARATUS FOR APPLYING AVC TO DELAYED SIGNALS AND A METHOD THEREOF - A signal processing apparatus and method are provided. The signal processing apparatus adjusts the level of a certain signal from among sequentially input signals based on the levels of the signals, and the certain signal is one of signals input prior to the latest signal input to the adjusting unit. Accordingly, a storage cell is shared for lip-sync and AVC, resulting in reduced manufacturing costs, and enhanced stabilization of the signal and the rate of the stabilization of the signal. | 01-22-2009 |
| 20090122192 | METHODS AND SYSTEMS FOR INDEPENDENTLY CONTROLLING THE PRESENTATION SPEED OF DIGITAL VIDEO FRAMES AND DIGITAL AUDIO SAMPLES - A digital receiver contains a local video clock that controls the video presentation speed and a local audio clock that controls the audio presentation speed separately and independently of the video presentation speed. To control the video presentation speed, a comparator compares a program clock reference in a video packet with a local time. A video clock controller then speeds up or slows down the video clock as needed to be back on schedule. To control the audio presentation speed, a comparator compares a program clock reference in an audio packet with the local time. An audio clock controller then speeds up or slows down the audio clock as needed to be back on schedule. | 05-14-2009 |
| 20090128697 | DATA RATE MANAGEMENT SYSTEM AND METHOD FOR A/V DECODER - Devices and methods are disclosed for managing an output of an output stream. One embodiment relates to a method of tracking an output of an A/V decoder. In this embodiment, indication of an output stream time reference and a location of at least one output sample are received. The received time reference is compared to the output sample and the output sample rate of the A/V decoder is adjusted. | 05-21-2009 |
| 20090174815 | Method for Synchronizing Content-Dependent Data Segments of Files - In one embodiment of the present invention, the synchronisation of data segments is particularly necessary for the use of small screens. A method and a device are disclosed for synchronising content-dependent first data segments of a first data file and content-dependent second data segments of a second data file, the first and second data segments being respectively output in sequence according to their chronological order in such a way that based on a predeterminable assignment rule for the first and second data segments, each second data segment is output together with a corresponding first data segment. | 07-09-2009 |
| 20090207306 | METHOD, DEVICE AND SYSTEM FOR SYNCHRONIZING AUDIO/VIDEO SIGNALS - A method and device for synchronizing audio/video signals is provided. A first and a second auxiliary signal are generated, wherein the first and the second auxiliary signals are pulse-shaped, and transmitted to a first and a second rendering device via a first and a second transmission path, respectively. The first audio/video output signal based on the first auxiliary signal and a second audio/video output signal based on the second auxiliary signal are outputted to a user. The user adjusts a delay of the first and/or second transmission path by synchronizing the first audio/video output signal with the second audio/video output signal. | 08-20-2009 |
| 20090244375 | Circuit Arrangement and Method for Locking onto and/or Processing Data, in Particular Audio, T[ele]v[ision] and/or Video Data - In order to further develop a circuit arrangement ( | 10-01-2009 |
| 20100073559 | VERBAL DESCRIPTION METHOD AND SYSTEM - A verbal description method and system. A computing system broadcasts first audio data and video data associated with the first audio data. The computing system determines that the video data comprises a graphic without a description in the first audio data. The computing system receives audible description data associated with the graphic. The computing system generates second audio data comprising the first audio data and the audible description data. The computing system synchronizes portions of the second audio data with associated portions of the video data. The computing system generates synchronized audio/video data comprising the portions of said second audio data aligned with the associated portions of said video data. The computing system broadcasts the synchronized audio/video data. | 03-25-2010 |
| 20100091189 | Audio Signal Processing Device and Audio Signal Processing Method - An audio signal processing device includes an audio signal acquiring section which acquires an audio signal, an identifying section which determines whether a format of the audio signal is a first format or a second format, and identifies the format of the audio signal and a switching timing of switching between the first format and the second format of the audio signal, a first sound processing section which applies a first sound processing adapted to the first format to the audio signal input from the audio acquiring section to output a first processed audio signal, a second sound processing section which applies a second sound processing adapted to the second format to the audio signal input from the audio acquiring section to output a second processed audio signal, a switching section which switches among the first processed audio signal and the second processed audio signal to output either one of the first and second processed audio signals on the basis of a switching signal, and a switching control section which outputs the switching signal to the switching section so that the switching section switches one of the first and second processed audio signals to the other of the first and second processed audio signals which corresponds to the format of the audio signal identified by the identifying section after a standby time is elapsed from the switching timing. | 04-15-2010 |
| 20100128176 | RECEIVING DEVICE,DELAY-INFORMATION TRANSMITTING METHOD IN RECEIVING DEVICE, AUDIO OUTPUT DEVICE, AND DELAY-CONTROL METHOD IN AUDIO OUTPUT DEVICE - A television receiver | 05-27-2010 |
| 20100141838 | Presentation synchronization system and method - A system for synchronizing the audio or video and visual components of a presentation through a web-based application. The user listens to an audio or video recording file while viewing a series of visual presentation components, such as individual slides, and clicking on or otherwise indicating when a particular component of the visual presentation should start corresponding with the audio or video recording. The system keeps track of the timing of the user clicks or actions, and saves the presentation as a synchronized audio/video and visual presentation available for viewing and listening. | 06-10-2010 |
| 20100225811 | Synchronization of Content from Multiple Content Sources - An event as defined by a place and a time may be captured by multiple devices or individuals. Storing time information in association with the content item allows users to identify content associated with that event or any event. Time data may be provided in varying time bases depending on the network from which time information is determined. Accordingly, all content capturing the same event may be synchronized and aligned appropriately by adjusting the various timing information to a common time base. The synchronization and alignment is facilitated by capturing content using very fine time bases that provides accurate time stamping of content. In one or more arrangements, timing information may be adjusted using a time almanac that uses sample timing data. The content may further be assembled into a content item that provides multiple perspectives of the same event. | 09-09-2010 |
| 20100231788 | PLAYBACK SYSTEM AND METHOD SYNCHRONIZING AUDIO AND VIDEO SIGNALS - A playback system that utilizes a serial link for transmitting video and audio data from a host to a playback device includes a host and a playback device. The host is utilized to generating graphic packets, video packets, and audio packets according to input data, and to generating control packets according to a host clock. Then, the host transmits the packets through a serial port, wherein the graphic packets are transmitted only when the host receives a request. The playback device is coupled to the host via the serial port, and is implemented to decoding the received packets from the serial port to generate decoded data, and to generate a playback clock according to the control packets. Then the playback device performs a playback operation according to the decoded data and the playback clock. | 09-16-2010 |
| 20100289952 | Method and Apparatus for Synchronizing Multimedia Data Stream - A method and an apparatus for synchronizing a data stream are disclosed. The method comprises: decoding the data stream to generate a decoded data stream and program clock references; generating a local clock reference; generating a simulated clock reference according to the program clock references and the local clock reference; comparing the local clock reference with the simulated clock reference; adjusting a processing timing of the decoded data stream according to the comparison result; and processing the decoded data stream according to the processing timing. | 11-18-2010 |
| 20100315552 | Asynchronous Scanning Display Projection - A scanning projector includes a mirror that scans in two dimensions, at least one of which is sinusoidal. A digital phase lock loop locks to the sinusoidal movement of the mirror. A free-running pixel clock is provided. An interpolation component interpolates pixel intensity data from adjacent pixels based on the position of the mirror when a pixel clock arrives. | 12-16-2010 |
| 20110043693 | SYNCHRONOUS CONTROL CIRCUIT AND VIDEO DISPLAY DEVICE - A synchronization control circuit is provided with a first sampling means for sampling the envelope signal of the modulation signal at a first sampling timing, a second sampling means for sampling the envelope signal at a second sampling timing, a third sampling means for sampling the envelope signal at a third sampling timing, a phase error calculation means for calculating a phase error value indicating the amount of synchronization deviation between the modulation signal and the reference clock signal using the outputs of the first, second, and third sampling means, a delay control means for generating a delay control signal on the basis of the phase error value, and a delay generation means for generating the first, second, and third sampling timing by delaying the reference clock signal based on the delay control signal. Thereby, a synchronization control circuit that can reduce the circuit size required for obtaining the synchronization with relative to the Early/Late system can be provided. | 02-24-2011 |
| 20110063504 | AUDIO AND VIDEO COMMUNICATIONS APPARATUS AND COMMUNICATIONS METHOD THEREOF - An audio and video communications apparatus eliminates a system clock frequency difference, freeing a user from unconformable feeling of audio and video. The audio and video communications apparatus includes: a transmitting unit and a receiving unit ( | 03-17-2011 |
| 20110128445 | METHOD AND APPARATUS FOR PROVIDING SIGNATURES OF AUDIO/VIDEO SIGNALS AND FOR MAKING USE THEREOF - A method and apparatus are disclosed for providing a video signature representative of a content of a video signal. A method and apparatus are further disclosed for providing an audio signature representative of a content of an audio signal. A method and apparatus for detecting lip sync are further disclosed and take advantage of the method and apparatus disclosed for providing a video signature and an audio signature. | 06-02-2011 |
| 20110181775 | Method for Synchronization of Interactive Contextual Content with Broadcasting Audio and/or Video - The present invention describes a method for synchronizing data of an interactive content with the audio and/or video of TV broadcasting. Especially, but without limitation, the method of the present invention is for synchronizing subtitles for digital TV applications. | 07-28-2011 |
| 20110221959 | METHOD AND SYSTEM FOR INHIBITING AUDIO-VIDEO SYNCHRONIZATION DELAY - A method for urging the start of viewing an interleaved audio video stream is disclosed. The method includes repositioning audio and video access units in the interleaved audio video stream. A computer program product and a data processing system are also disclosed. | 09-15-2011 |
| 20110242413 | METHOD AND APPARATUS FOR GENERATING AND TRANSMITTING SYNCHRONIZED VIDEO DATA - Problem. Current systems for generating synchronized video sequences from multiple video sources are too complex, too restrictive, too cumbersome or too imprecise. There are also few practical ways of faithfully transmitting highly synchronized multivideo between video sources and video sinks. | 10-06-2011 |
| 20110273615 | DISPLAY APPARATUS, COMMUNICATION APPARATUS, DISPLAYING METHOD AND PROGRAM RECORDING MEDIUM - Provided is a display apparatus which can avoid the load increase and display rapidly the video of the selected channel. | 11-10-2011 |
| 20110298978 | SYSTEM AND METHOD FOR IN-BAND A/V TIMING MEASUREMENT OF SERIAL DIGITAL VIDEO SIGNALS - A system and method for characterizing the relative offset in time between audio and video signals and enables the receiver of the audio and video signals to resynchronize the audio and video signals. Signal characterization data is dynamically captured and encoded into frames of video and audio data that is output by a television origination facility. The signal characterization data is extracted by the receiver and signal characterization data is captured for the received frames. The extracted signal characterization data is compared with the captured signal characterization data to compute the relative offset in time between the video and one or more audio signals for a frame. The receiver may then resynchronize the video and audio signals using the computed relative offset. | 12-08-2011 |
| 20120008045 | APPARATUS, SYSTEMS AND METHODS FOR USER CONTROLLED SYNCHRONIZATION OF PRESENTED VIDEO AND AUDIO STREAMS - Systems and methods are operable to correct synchronization between a video stream and an audio stream presented to a user. An exemplary embodiment receives a synchronization correction instruction, wherein the synchronization correction is configured to be initiated by the user; and incrementally adjusts one of the video stream and the audio stream by a synchronization correction, wherein the synchronization correction advances or retards presentation of at least one of the video stream and the audio stream by a predefined duration. | 01-12-2012 |
| 20120038826 | System and method for synchronized content rendering in a multi-node network - The trend toward moving to digital content is progressing and expanding every day. With that trend comes the availability of a multitude of content from many content sources. There is a need for this content to be distributed to multiple destinations, and there is a further need to have the content synchronized among those multiple destinations. Embodiments described herein detail a method of synchronizing this content in an asynchronous environment, such as a powerline network, including using a PHY timing flag that is used to compensate for PHY-to-channel-to-PHY delays. | 02-16-2012 |
| 20120154679 | USER-CONTROLLED SYNCHRONIZATION OF AUDIO AND VIDEO - Devices, methods, and computer-readable media having program instructions for performing functions are described for synchronizing audio and video components of a media program. If audio and video components of an audiovisual program and routed through different processing devices, such as a home theater system, the viewer of the audiovisual program may perceive a synchronization mismatch between the audio and video components. As described herein, the viewer is provided with the ability to adjust a delay of one of the components relative to the other component, such that synchronization is achieved. In some variations, a user interface is provided to give the viewer feedback concerning the relative delay between one component and the other. | 06-21-2012 |
| 20120188446 | VERBAL DESCRIPTION - A verbal description method and system. A computing system broadcasts first audio data and video data associated with the first audio data. The computing system determines that the video data comprises a graphic without a description in the first audio data. The computing system receives audible description data associated with the graphic. The computing system generates second audio data comprising the first audio data and the audible description data. The computing system synchronizes portions of the second audio data with associated portions of the video data. The computing system generates synchronized audio/video data comprising the portions of said second audio data aligned with the associated portions of said video data. The computing system broadcasts the synchronized audio/video data. | 07-26-2012 |
| 20120194737 | PROCESS AND MEANS FOR SCANNING AND/OR SYNCHRONIZING AUDIO/VIDEO EVENTS - A process for scanning and/or synchronizing audio/video events is described. According to the process, a signal is acquired and divided into a plurality of segments corresponding to different moments of the signal. A spectrogram is generated and peaks are located in the spectrogram. Transition peaks are located among said peaks, and the bands of such transition peaks are combined in one or more transitions to which hashes correspond. The hashes are associated with the time at which the transitions occur in the signal. Means for scanning and/or synchronizing audio/video events are also disclosed. | 08-02-2012 |
| 20130088640 | CONTENT PROCESSING APPARATUS AND CONTENT SYNCHRONIZING METHOD - According to one embodiment, a content synchronizing method includes: first transmitting when receiving an acquiring request for reference time to determine a timing to synchronize a plurality of pieces of content executed by a plurality of modules with each other from a first module out of the modules, the acquiring request for the reference time to a second module out of the modules; receiving source information indicating an acquisition source of the reference time from the second module; and acquiring reference time information indicating the reference time from the acquisition source indicated by the source information, wherein second transmitting to the first module, together with the reference time information, processing time information indicating processing time from receiving the acquiring request until transmitting the reference time information, the processing time information being used to calculate a time lag between time in the first module and the reference time. | 04-11-2013 |
| 20130321701 | METHOD, DEVICE, COMPUTER PROGRAM AND INFORMATION STORAGE MEANS FOR TRANSMITTING A SOURCE FRAME INTO A VIDEO DISPLAY SYSTEM - Method, device, computer program and information storage means for transmitting a source frame into a video display system, the video display system ( | 12-05-2013 |
| 20140078397 | Systems and Methods for Constructing Multimedia Content Modules - A system for constructing seamlessly viewable multimedia content from selectably presentable multimedia content blocks includes a block definition module for facilitating creation and modification of the content blocks. The block definition module includes a media assignment submodule for associating a synchronized audio and video segment with a content block. Also included is a block linking submodule for creating seamless connections between content blocks, whereby a transition between the connected blocks occurs substantially without interruption upon viewing the multimedia content. The block definition module further includes a layer submodule for associating an interactive layer having interactive controls with the content block. | 03-20-2014 |
| 20140184908 | METHOD AND APPARATUS FOR MULTIMEDIA STREAM SYNCHRONIZATION - The method and apparatus for multimedia stream synchronization includes establishing a hierarchical clock system for use in synchronization. The clock system includes establishing at least one parent clock and establishing a child clock for each multimedia stream to be synchronized. The parent clock is in communication with each child clock and through the implementation of rollover and prefetch state information contained with each established child clock, the parent clock can nominate any child clock as a master so as to enable multimedia stream synchronization. | 07-03-2014 |
| 20140204269 | CONVERSION CIRCUIT, IMAGE PROCESSING DEVICE, AND CONVERSION METHOD - A conversion circuit includes: a conversion section configured to convert each of analog pixel signals into digital pixel data; a timing acquisition section configured to acquire specified timing, in which the specified timing defines a display period during which display of each of the analog pixel signals is performed in a cycle of a synchronization signal; a timing setting section configured to set timing that defines an extension period that is longer than the display period, in which the timing is other than the specified timing; an enable signal generation section configured to generate an enable signal, in which the enable signal indicates the extension period as a period during which the digital pixel data is valid; and an output section configured to output the digital pixel data that is valid, in accordance with the enable signal. | 07-24-2014 |
| 20150049248 | CLOCK SYNCHRONIZATION FOR MULTI-PROCESSOR/MULTI-CHIPSET SOLUTION - Methods, systems, and devices are described for media synchronization. Multi-stream media processes may include media streams captured with respect to different clock rates. Multi-processor implementations may involve separate clocks associated with different media streams, such as audio and video, respectively. The separate clocks may tend to drift from one another, becoming further out of sync as time passes. Selecting a reference time of one of the processors to function as a “wall clock,” recording frame capture times with respect to the reference time, accounting for propagation delays, and transmitting frame capture times in terms of the reference time may aid in AV synchronization at a device where audio and video streams are received. | 02-19-2015 |
| 20150092106 | SYSTEM AND METHOD FOR TYING AUDIO AND VIDEO WATERMARKS OF LIVE AND RECORDED EVENTS FOR SIMULCASTING ALTERNATIVE AUDIO COMMENTARY TO AN AUDIO CHANNEL OR SECOND SCREEN - An alternative content system receives a primary content data stream and a secondary content data stream associated with an event. The alternative content system provides an alternative content data stream associated with the event. The alternative content system extracts a primary content identifier from the primary content data stream. The alternative content system identifies an alternative content identifier based on the alternative content data stream. The alternative content system synchronizes the alternative content data stream to the primary content data stream based on the alternative content identifier and the primary content identifier. The alternative content system transmits the synchronized alternative content data stream based on the primary content identifier. | 04-02-2015 |
| 20160072984 | GESTURE RECOGNITION APPARATUS AND COMPLEX OPTICAL APPARATUS - The present invention discloses a gesture recognition apparatus including a substrate, a light emitting device, an image sensor and a processing unit. The light emitting device is for emitting a light beam according to a first clock signal. The image sensor is disposed on the substrate and is for receiving the light beam reflected by an object according to a second clock signal to generate an object image. The processing unit is disposed on the substrate and is for recognizing the object image detected by the image sensor to provide a command signal. There is a correlation between a period of the first clock signal and a period of the second clock signal. The present invention also provides a complex optical apparatus. | 03-10-2016 |
| 20160119507 | SYNCHRONIZED MEDIA SERVERS AND PROJECTORS - An immersive display system is disclosed. The immersive display system includes a master projector system and a plurality of slave projector systems. The master projector system synchronizes the display of a video with the plurality of slave projector systems using a synchronization signal. The synchronization signal is sequentially transmitted from the master projector system to each of the slave projector systems, wherein the projector systems are serially connected to one another. Sub-frame video synchronization is achieved using the sequentially chained projector systems. | 04-28-2016 |
