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7605867 Method and apparatus for correction of time base errors  
The present invention provides a method and apparatus for the correction of time base errors in a video signal. The method and apparatus may combine a horizontal scaler and a time base corrector. A...
7593061 Method and apparatus for measuring and/or correcting audio/visual synchronization  
A method and apparatus for measuring and/or correcting audio/visual synchronization is disclosed. In one embodiment, a method for providing synchronization of a video signal and a corresponding...
7589791 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...
7577940 Managing topology changes in media applications  
Systems and methods for resolving a partial topology are disclosed. In one embodiment a media engine includes a topology loader module that receives a partial topology from another module...
7570304 Method, apparatus and computer program product for synchronizing presentation of digital video data with serving of digital video data  
The present invention provides a method for matching the rate of presentation of digital video data at a receiver/client with the rate the server is serving the data without the need of a voltage...
RE40859 Method and system for displaying an analog image by a digital display device  
A clock recovery circuit in a digital display unit for recovering a time reference signal associated with analog display data. The clock recovery circuit includes a phase-locked loop (PLL)...
7558275 System and method for clock replication using reference clock  
Data encoded with a video clock is transmitted over a communication link in accordance with a communication reference signal, which in one embodiment is a wireless link. In one embodiment, the...
7551227 Signal processor  
A signal processor includes a picture input section for receiving a video bit stream, a video decoding section for decoding the video bit stream, a picture display section for outputting decoded...
7511764 Digital camera synchronization  
The present invention provides a synchronization system comprising a base unit and at least one video camera. The base unit includes a master time-base adapted to set a time period that samples a...
7511763 Video-audio processor system, amplifier device, and audio delay processing method  
A system processes an audio signal and a video signal by using different devices, thereby preventing a so-called lip sync error. The processing time (represented by processing-time information)...
7509019 Contents editing apparatus with frequency adjustment  
A content editing apparatus ( 10 ) includes a CPU ( 12 ). When combining JPEG data and audio data forming a moving file 1 with JPEG data and audio data forming a moving file 2 , the CPU ( 12 )...
RE40664 Method for display time stamping and synchronization of multiple video object planes  
A method of encoding a local time base embedded in the compressed data is disclosed. The local time base is encoded in two parts. The first part has a modulo time base that indicates the specific...
7499104 Method and apparatus for determining relative timing of image and associated information  
Measurement of the relative timing between images and associated information, for example video and audio. Image mutual event characteristics are recognized in the images and associated mutual...
7495705 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...
7474311 Device and method for processing video and graphics data  
A device for processing video and graphics data includes a component and a main random access memory containing video and graphics data. The component includes a processing unit, and a...
7471337 Method of audio-video synchronization  
A method for synchronization of an audio stream and a video stream comprising the steps of (A) determining a first presentation time stamp from the video stream and generating a first handshake...
7466362 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...
7460173 Method and apparatus for synchronizing audio and video data  
A system receives a transport stream containing video data and audio data. A determination is made regarding the time required to process the video data contained in the transport stream and the...
7436456 Video device and method for synchronising time bases of video devices  
A video system comprises a first video device which transmits a video signal comprising image information and synchronisation information and a second video device which receives the composite...
7411604 Synchronization of a stereoscopic camera  
A method for synchronizing the recordings of two video cameras which are operated in parallel for the three-dimensional representation of an image sequence includes fading a light signal into the...
7391416 Fine tuning a sampling clock of analog signals having digital information for optimal digital display  
Method and system for fine tuning frequency and phase of a sampling clock of analog signals (R, G, B) having digital information, for sampling the analog signals within an optimal sampling period,...
7379121 Signal transmitting device and signal receiving device  
In a signal transmitter and a signal receiver, a multiplexing part multiplexes a video signal and a time-base-compressed audio signal on the basis of a multiplexing control signal to transmit the...
7375731 Video mining using unsupervised clustering of video content  
A method mines unknown content of a video by first selecting one or more low-level features of the video. For each selected feature, or combination of features, time series data is generated. The...
7359005 Method and system for component sync detection and alignment  
In a method and system for component sync detection and alignment, the Y/G channel is used as a master channel from which the vertical and the horizontal syncs are detected by a master sync...
7333150 Method, system, and program product for eliminating error contribution from production switchers with internal DVEs  
Measurement of the relative timing between images and associated information, for example video and audio. Image mutual event characteristics are recognized in the images and associated mutual...
7301971 Method and apparatus for continuous synchronization of a plurality of asynchronous data sources  
An apparatus and method for continuous synchronization of a pair of independently clocked asynchronous data streams ( 100, 101 ) consisting of raster data from independent imaging acquisition...
7295247 Synchronisation of audio and video signals  
The present invention relates to adaptive time-shifting of audio frames (F a ) in encoded audio signal relative to video frames (F v ) in encoded video signal, which together form an audio/video...
7280156 Process and device for synchronizing presentation of audio and/or video frames  
A method and device are provided for synchronizing the presentation of audio frames and/or of video frames comprises the detection of presentation time stamps in a stream of frames. The...
7268825 Digital synchronizing generator  
A sync generator (genlock) ( 10 ) for frequency and phase locking an incoming video signal to a system clock ( 12 ) includes a digitizer ( 16, 22 ) for digitizing the incoming video signal to yield...
7248779 Methods, systems and data structures for timecoding media samples  
Timecoding systems, methods and data structures are described which, in some embodiments, permit a true time to be ascertained from media samples whose timecodes contain an amount of drift which...
7230652 System and method for providing picture-in-picture timebase management  
Systems and methods that provide picture-in-picture timebase management are provided. In one example, a method may include the steps of sending a first video signal and a second video signal to a...
7230651 A/V decoder having a clocking scheme that is independent of input data streams  
Devices and methods are disclosed for decoding data in a data stream. One embodiment relates to a method of decoding data using an A/V decoder. In this embodiment, timing information is recovered...
7212248 Method and apparatus for lipsync measurement and correction  
A method and apparatus for synchronizing audio and video portions of a media program signal is disclosed. The method comprises the steps of detecting an audio event in the audio portion of the...
7212247 Audio/video system providing variable delay  
An audio/video system ( 100 ) is capable of introducing variable amounts of delay into a signal path so as to properly synchronize two signals, such a video signal and a corresponding audio signal....
7180491 Application and method for rejection of a false data enable signal during vertical blanking periods in a graphics system  
A false DE rejection system is described. DEs are ignored during a programmable vertical lockout period. Internal timing is used during the vertical lockout period to count the number of vertical...
7176978 AV synchronization system  
In synchronization of a conventional AV system, when a stream as the master stops, a system clock cannot be corrected for synchronization. Since the correction is consistently performed even when...
7171107 Timecoding media samples  
Timecoding embodiments are described which, in some embodiments, permit a true time to be ascertained from media samples whose timecodes contain an amount of drift which can arise from having...
7142775 Methods, systems and data structures for timecoding media samples  
Timecoding systems, methods and data structures are described which, in some embodiments, permit a true time to be ascertained from media samples whose timecodes contain an amount of drift which...
7142250 Method and apparatus for synchronizing audio and video streams  
Some embodiments of the invention provide a method for synchronizing an audio stream with a video stream. This method involves searching in the audio stream for audio data having values that match...
7136109 Self-adjusting pixel clock and method therefor  
A pixel clock generating circuit is provided in which a digital circuit generates a first signal corresponding to the relative frequency of the pixel clock as compared with a predetermined desired...
7136106 Apparatus controller, device and method for controlling data transmission of digital apparatus, and data transmission control system  
According to the present invention, when an image data currently being received is switched over to the data from another image information device, the best picture quality is provided without...
7130316 System for frame based audio synchronization and method thereof  
A system and method is provided for synchronizing the presentation of audio data with video data. Audio transport packets are received through a demultiplexer from a multimedia transport stream. A...
RE39345 Audio/Video/Computer graphics synchronous reproducing/synthesizing system and method  
In an audio/video/computer graphics data synchronous reproducing/synthesizing system, a demultiplexer separates a bit stream in which an audio signal, a video signal, and computer graphics data are...
RE39344 Method for display time stamping and synchronization of multiple video object planes  
A method of encoding a local time base embedded in the compressed data is disclosed. The local time base is encoded in two parts. The first part has a modulo time base that indicates the specific...
7116894 System and method for digital multimedia stream conversion  
A method for converting a program stream to a transport stream is described comprising: reading program stream packets from a digital versatile disk (“DVD”) based on user selections and...
7113692 Data processing device and data recording method  
A recording/reproducing device has an NTSC decoder which receives a video signal and outputs a video signal, an MPEG audio encoder which receives an audio signal and outputs an audio signal, and a...
7075950 Program clock reference correction method in a multiplexed burst mode downlink transmission in an integrated multispot satellite communication system  
Program Clock Reference correction method in a multiplexed burst mode downlink transmission in an integrated multispot satellite communication system (S) in a multimedia broadcasting network for...
RE39115 Method for display time stamping and synchronization of multiple video object planes  
A method of encoding a local time base embedded in the compressed data is disclosed. The local time base is encoded in two parts. The first part has a modulo time base that indicates the specific...
7054544 System, method and record medium for audio-video synchronous playback  
In an audio-video synchronous playback control system which outputs coded audio data to an external audio decoding device so as to be decoded and played back by the external audio decoding device...
7050111 Process and device for synchronizing a reference signal with respect to a video signal  
A synchronization process may include detecting successive horizontal synchronization pulses of a video signal, and a phase comparison between the successive detected pulses and the successive...
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