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| Number | Title | Issue Date |
| 8111327 | Method and apparatus for audio/video synchronization A method for audio/video synchronization and an apparatus thereof are provided. At least one dynamic synchronization checkpoint is disposed on the playback sample number axis of a video. Whether or not the audio and the video are synchronized is checked when the pla... | 02/07/2012 |
| 8107796 | Data processing device, data processing method, program, program recording medium, data recording medium, and data structure Video data and output data that need to be output in synchronization therewith are synchronized. When an output of video data is later than an output of output data synchronized with the video data, at step S273, a process for one access unit is caused to be ... | 01/31/2012 |
| 8063986 | Audio clock regenerator with precisely tracking mechanism In an HDMI system, the clock regenerator proposed by the HDMI specification may suffer external noise because the input clock of a phase lock loop circuit in a sink device of the HDMI system is too slow. This slow input clock causes the phase lock loop circuit unabl... | 11/22/2011 |
| 8004609 | Amplifier, correcting method of correcting difference in processing time between video signal and audio signal, and correcting system There is provided an amplifier that measures a display delay time caused until a video is displayed actually after a video signal is generated, and sets automatically a delay time of an audio signal such that an audio synchronizes with this display. Test video data ... | 08/23/2011 |
| 7982803 | Audio and video synchronizing apparatus and method Provided is an audio video synchronizing apparatus and method in a video processing equipment. It is detected whether or not an external device connected to an audio/video output port of the video processing equipment is an audio system, and an audio signal synchron... | 07/19/2011 |
| 7965338 | Media player audio video synchronization Techniques for evaluating media player performance are described. A particular implementation supplies media to a media player where the media includes a video component which has a waveform that alternates between a first video state and a second video state, and a... | 06/21/2011 |
| 7948558 | Audio video timing measurement and synchronization A method and apparatus for synchronizing audio and video portions of a media program signal is disclosed. In a transmitting embodiment, the method comprises the steps of identifying a video event according to an video event discriminant in the video signal, and inse... | 05/24/2011 |
| 7948559 | 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 media program signal, measuring the timing interval from the audio event ... | 05/24/2011 |
| 7920209 | Delay matching in audio/video systems An audio/video system comprises an audio signal processing path having an audio path delay and a video signal processing path having a video path delay. The audio path delay may be different from the video path delay. The audio path delay and/or the video path delay... | 04/05/2011 |
| 7907212 | Multiple path audio video synchronization Audio video synchronization begins by receiving an audio-video signal via a first communication path. The processing continues by capturing a representation of an audio component of the audio-video signal, wherein the audio component was rendered audible via a secon... | 03/15/2011 |
| 7907211 | Method and device for generating and detecting fingerprints for synchronizing audio and video This invention relates to a device and a method of generating a first and a second fingerprint (102,104) usable for synchronisation of at least two signals (101,103) and corresponding method and device for synchronising two or more signals. A fingerpri... | 03/15/2011 |
| 7880810 | Apparatus and method for processing informational signal An apparatus for processing an informational signal includes a first processing section for receiving the informational signal, executing a first processing on the informational signal, and outputting the processed informational signal. The apparatus also includes a... | 02/01/2011 |
| 7830453 | Method of converting digital broadcast contents and digital broadcast terminal having function of the same A method of converting digital broadcast contents and digital broadcast terminal having a function of the same are disclosed, by which music in compliance with a user's taste can be inserted as a background music by separating an audio signal of digital broadcast co... | 11/09/2010 |
| 7821574 | 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 a distinct set of audio data values and synchronizing the audio strea... | 10/26/2010 |
| 7812886 | 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 an error is small, overhead of correction is large. On the other hand,... | 10/12/2010 |
| 7773152 | 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 event characteristics are recognized in the associated information. The i... | 08/10/2010 |
| 7710499 | A/V timing measurement for MPEG type television An invention for measuring, maintaining and correcting synchronization between signals which suffer varying relative delays during transmission and/or storage is shown. The preferred embodiment of the invention finds particular use in measuring the relative delay be... | 05/04/2010 |
| 7692724 | Method and apparatus to synchronize audio and video A method and an apparatus to synchronize an audio signal and a video signal. The method includes: displaying video on a screen that corresponds to an audio signal including a high frequency component having a predetermined pattern inserted therein to indicate when a... | 04/06/2010 |
| 7636126 | Delay matching in audio/video systems An audio/video system comprises an audio signal processing path having an audio path delay and a video signal processing path having a video path delay. The audio path delay may be different from the video path delay. The audio path delay and/or the video path delay... | 12/22/2009 |
| 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 audio signal associated with the audio/visual transmission includes dete... | 09/22/2009 |
| 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 Effect Area Test Signal (TATS) inserted therein; comparing the wavefo... | 09/08/2009 |
| 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 acquires control data D13 from receiving equipment employing the con... | 09/01/2009 |
| 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 data from the video decoding section, a digital image input section for... | 06/23/2009 |
| 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) from the start of reception of a supplied video signal in a video proces... | 03/31/2009 |
| 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 signal, detecting an internal delay time and/or external delay time ... | 01/20/2009 |
| 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 signal when the video stream is ready to be transmitted, (B) repeating a... | 12/30/2008 |
| 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 time required to process the audio data contained in the transport stre... | 12/02/2008 |
| 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 processing modules include at least one module that is selectively actuable... | 09/09/2008 |
| 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 Phased Locked Loop (PLL) circuit. The audio and video should remain ... | 06/17/2008 |
| 7366161 | Full duplex voice path capture buffer with time stamp For diagnostic and trouble-shooting purposes, an audio/voice signal capture mechanism is adapted to be interfaced with a time division multiplexed (TDM) transport path-cascaded echo canceler and compression arrangement for an integrated access device (IAD). The audi... | 04/29/2008 |
| 7366670 | Method and system for aligning natural and synthetic video to speech synthesis Facial animation in MPEG-4 can be driven by a text stream and a Facial Animation Parameters (FAP) stream. Text input is sent to a TTS converter that drives the mouth shapes of the face. FAPs are sent from an encoder to the face over the communication channel. Disclo... | 04/29/2008 |
| 7362946 | Automated visual image editing system A method of editing a video sequence comprising a series of clips, in which each clip is formed by video content captured between two points in time. Duration data associated with the duration of each clip is extracted from the sequence. The duration data is process... | 04/22/2008 |
| 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. According to an embodiment, the audio signature is generated left/right (L/R)... | 04/15/2008 |
| 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 message that is more than textual in nature. Voice recognition technolog... | 04/08/2008 |
| 7353166 | Method and receiver for providing audio translation data on demand Video data are transmitted to a receiver. A language menu is displayed from which a user selects a language that can be different from the original language broadcast with the video data. Video data identification information and language identification information ... | 04/01/2008 |
| 7343141 | Concurrent content capturing radio systems and methods An enhanced radio system is disclosed that provides for the capture and playback of one or more radio stations. The user may tune to a station, or scan through stations, rewind to hear what was missed (even while the system is turned off), and fast-forward through u... | 03/11/2008 |
| 7342941 | Data structure, method and apparatus providing efficient retrieval of data from a segmented information stream A data structure, method and apparatus providing efficient retrieval of data from a segmented information stream. The invention utilizes a segmented data stream having an initial directory payload portion and a following payload portion including one or more object ... | 03/11/2008 |
| 7339958 | System and method for performing signal synchronization of data streams A system for performing signal synchronization of data streams having frames associated with source time reference. A system clock generates a local time reference. A decoder processes the data stream. A system controller determines a difference between the source t... | 03/04/2008 |
| 7340156 | Information storage medium with aggregate attribute information, and apparatus for reproducing the same An information storage medium includes: a plurality of unit audio information to be reproduced independently of each other; aggregate audio information each including one or more of the unit audio information; unit attribute information indicating attributes of the ... | 03/04/2008 |
| 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 event characteristics are recognized in the associated information. The i... | 02/19/2008 |
