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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...
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7586544 |
Method and apparatus for testing lip-sync of digital television receiver
A lip synchronization test method for DTV receivers. The method includes the steps of: generating a digital audio stream having a frame index inserted therein and a video stream having a Transient...
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7583319 |
Data relay device, data relay method and data transmission system
A relay device employs a control system which notifies control data indicating its own specification to transmitting equipment to receive data in a form matching to its own specification and...
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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...
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7551839 |
Method of generating video reproduction synchronizing signal, program for generating video reproduction synchronizing signal, timing control apparatus, method of synchronously reproducing video and audio, program for synchronously reproducing video and audio, and apparatus for synchronously reproducing video and audio
Exemplary embodiments include a method of generating a video reproduction synchronizing signal to generate a video reproduction synchronizing signal to reproduce video data and audio data in...
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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...
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7522821 |
Optical disc apparatus
In an optical disc apparatus using a decoder chip with no synchronization function of audio data and visual data, when reproduction of the audio data goes ahead of reproduction of the visual data...
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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)...
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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...
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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...
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7480008 |
Video apparatus and method for controlling the same
Disclosed herein are a video apparatus and a method for controlling the same, wherein a video signal and an audio signal are synchronized. The method comprises receiving a video signal and an audio...
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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...
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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...
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7423693 |
Video delay stabilization system and method
A video delay stabilization system configured for multiple types of video input signals, includes a plurality of video processing modules, and a variable delay module. The plurality of video...
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7388618 |
Video synchronization by adjusting video parameters
When playing back audio/video streams, many playback devices try to recreate the audio and video clocks used for encoding. One means typically employed to recreate such clocks includes the use of a...
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7359006 |
Audio module supporting audio signature
A system and method embed an audio signature in a video frame. An audio signature is generated from one bit a buffer input data. Two registers store an audio signature and reference count....
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7356470 |
Text-to-speech and image generation of multimedia attachments to e-mail
A multi-mail system and method is disclosed in which a sender may convey and a recipient can realize emotional aspects associated with substantive content of a multi-mail message by receiving a...
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7333865 |
Aligning data streams
The invention aligns two wide-bandwidth, high resolution data streams, in a manner that retains the full bandwidth of the data streams, by using magnitude-only spectrograms as inputs into the...
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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...
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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...
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7283175 |
System and method for determining lip synchronization between audio and video in a digitized environment using buffer calculation
The disclosed embodiments relate to a system and method for maintaining synchronization between a video signal and an audio signal that are processed using clocks that are locked. The system may...
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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...
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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...
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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....
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7206367 |
Apparatus and method to synchronize multimedia playback over a network using out-of-band signaling
An apparatus and method to synchronize devices in a network to a sub-millisecond timing accuracy. In a first embodiment, the transmission of data is synchronized between a first source device and...
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7188193 |
System, method and article of manufacture for a synchronizer component in a multimedia synchronization framework
A system, method and article of manufacture are provided for creating a synchronizer object in order to playback an event simultaneously on a plurality of a client apparatuses. First, a request is...
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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...
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7158187 |
Audio video reproduction apparatus, audio video reproduction method, program, and medium
An audio video reproduction apparatus having: an audio speed conversion circuit of performing audio speed conversion on a generated audio signal in such a manner that the information on an A-PTS is...
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7145606 |
Post-synchronizing an information stream including lip objects replacement
A method for post-synchronizing information stream includes obtaining lip-objects from a video signal. The original lip-objects are replaced with new lip-objects which correspond to a translated...
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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...
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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...
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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...
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7088398 |
Method and apparatus for regenerating a clock for auxiliary data transmitted over a serial link with video data
A communication system including a transmitter, a receiver, and a serial link, in which encoded data (e.g., video, audio, and optionally also other auxiliary data) are transmitted from the...
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7075592 |
Audio signal adjusting apparatus
An audio signal adjusting apparatus for adjusting raw audio signals to produce adjusted audio signals, comprises an audio signal adjusting unit for adjusting the raw audio signals and operably...
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7058286 |
Information input apparatus
An information processing apparatus capable of receiving and processing a variety of types of input is shown with features that make it easy to add properly synchronized information as desired. A...
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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...
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7046300 |
Assessing consistency between facial motion and speech signals in video
The use of multiple complementary classes of measure to assess face and speech consistency in video. In an exemplary embodiment, both synchrony measures and plausibility measures are employed.
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7030931 |
Video serializer/deserializer with embedded audio support
An auto-configurable video deserializer with embedded audio support includes a video core, a clock generator and an audio core. The video core receives a serial video signal of an unknown video...
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7030930 |
System for digitized audio stream synchronization and method thereof
A system and methods are provided for presenting processed audio data and processed video data to corresponding outputs in a synchronized manner. Video and audio data from a multimedia stream are...
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7027124 |
Method for automatically producing music videos
Music videos are automatically produced from source audio and video signals. The music video contains edited portions of the video signal synchronized with the audio signal. An embodiment detects...
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7020894 |
Video and audio synchronization
In order to synchronise video and audio signals, a video test signal and an audio test signal are generated at the transmitting end of a transmission link, and transmitted over the link. The video...
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7015972 |
Device and method for synchronizing broadcast audio-visual programs and complementary data
The invention relates to a device and a process for the synchronization of broadcast audiovisual programs and of complementary information. The device comprises an image and/or sound sensing...
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7012650 |
Start/stop audio encoder apparatus and method for synchronizing digital audio and video signals
The invention uses digital signal processing (DSP) techniques to synchronize an audio encoding process with a video synchronization signal. Namely, the encoder parameters of a DSP microchip are...
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7002633 |
Synchronous processing system at time of converting specification of moving picture information
A main control device, to which instructions for image recording from a dynamic-image terminal are transmitted, gives instructions for accumulation processing of dynamic-image information to a...
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6987767 |
Multiplexer, multimedia communication apparatus and time stamp generation method
In order to allow the generation of a time stamp in consideration of a frame skip even in the case where the frame skip is generated, a PES generation section of a multiplexer detects the number of...
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6956871 |
Apparatus and method for synchronization of audio and video streams
Disclosed is a method and apparatus for reducing the audio-visual synchronization problems (e.g.—“lip sync” problems) in corresponding audio and video streams by adapting a statistical...
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6912011 |
Method and system for measuring audio and video synchronization error of audio/video encoder system and analyzing tool thereof
A method for measuring audio and video synchronization error of an audio/video encoder system is provided. The method includes steps of: producing a reference video data having a first time length...
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6912010 |
Automated lip sync error correction
An automated lip sync error corrector embeds a unique video source identifier ID into the video signal from each of a plurality of video sources. The unique video source ID may be in the form of...
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6891573 |
Method and apparatus for changing the output delay of audio or video data encoding
For TV broadcasting purposes encoding systems with related video encoders and audio encoders are used. The audio and video delay are aligned before multiplexing and transmitting the audio and video...
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6862045 |
MOVING IMAGE DECODING AND REPRODUCING APPARATUS, MOVING IMAGE DECODING AND REPRODUCING METHOD, TIME CONTROL METHOD, COMPUTER PROGRAM PRODUCT FOR DECODING AND REPRODUCING MOVING IMAGE AND MULTIMEDIA INFORMATION RECEIVING APPARATUS
Moving image signal decoder section decodes the moving image bit stream and the time stamp for reproduction transmitted from multiple separator section on a frame by frame basis and stored in input...
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