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| Application No. | Application Title | Issue Date |
| 20120127365 | Delay and Lip Sync Tracker A delay tracker utilizes a special code on the tracked signal in order to recognize such signal and ascertain any delays associated therewith.... | 05/24/2012 |
| 20120081604 | ELECTRONIC APPARATUS An electronic device, where if audio data for transmitting to an external apparatus is changed from first audio data corresponding to an encoded format to non-encoded second audio data, the second audio data is not transmitted to the external apparatus until additional ... | 04/05/2012 |
| 20120081605 | PROCESSING AN AUDIO INPUT SIGNAL TO PRODUCE A PROCESSED AUDIO OUTPUT SIGNAL An audio input signal is processed to produce a processed audio output signal. An audio input signal is received as an original signal. The audio input signal is dynamically filtered to produce a first stage signal consisting of a selected frequency band of the input si... | 04/05/2012 |
| 20120081567 | TECHNIQUES FOR SYNCHRONIZING AUDIO AND VIDEO DATA IN AN IMAGE SIGNAL PROCESSING SYSTEM The present disclosure provides techniques for performing audio-video synchronization using an image signal processing system. In one embodiment, a time code register provides a current time stamp when sampled. The value of the time code register may be incremented at r... | 04/05/2012 |
| 20120069137 | Synchronization and Mixing of Audio and Video Streams in Network-Based Video Conferencing Call Systems In one aspect, audio streams are added to a mix until the mix is either complete (i.e., all audio streams have been added) or the mix is closed early (i.e., before the mix is complete). In another aspect, audio and video streams are synchronized by playing back the audi... | 03/22/2012 |
| 20120042249 | AUDIO SIGNAL OUTPUT APPARATUS AND METHOD An audio signal output apparatus is provided. The audio signal output apparatus includes an audio receiver, an audio processor, an audio output unit, and a controller. The audio receiver receives an audio data which is transmitted from outside and has a plurality of com... | 02/16/2012 |
| 20120033134 | 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... | 02/09/2012 |
| 20120019633 | METHOD AND APPARATUS FOR AUTOMATIC SYNCHRONIZATION OF AUDIO AND VIDEO SIGNALS Described herein are techniques which facilitate the automatic synchronization of audio and video signals between an entertainment device and a presentation device. A sensing device detects and records timing information from a video test pattern generated by an enterta... | 01/26/2012 |
| 20120017150 | CREATING AND DISSEMINATING OF USER GENERATED MEDIA OVER A NETWORK Disclosed herein are methods and systems for creating and disseminating of audio and video content generated by a user over a network. In one aspect of the present disclosure, a request to create audio content over a network is received. In another aspect of the present... | 01/19/2012 |
| 20110261257 | Feature Optimization and Reliability for Audio and Video Signature Generation and Detection Features are extracted from video and audio content that have a known temporal relationship with one another. The extracted features are used to generate video and audio signatures, which are assembled with an indication of the temporal relationship into a synchronizati... | 10/27/2011 |
| 20110234902 | Synchronization of audio and video streams A method includes synchronizing audio and video streams including applying a time-stamp to a block of a audio buffer in an audio path; applying a time-stamp to a block of a video buffer in a video path; reading the block from the audio buffer; reading the block from the... | 09/29/2011 |
| 20110221960 | SYSTEM AND METHOD FOR DYNAMIC POST-PROCESSING ON A MOBILE DEVICE A method of operating a multimedia player is provided. The method includes decoding an audio stream of the multimedia player and rendering the decoded audio stream in the multimedia player, updating the media time of the media player with an audio timestamp of the rende... | 09/15/2011 |
| 20110191816 | COMMUNICATION TECHNIQUE ABLE TO SYNCHRONISE THE RECEIVED STREAM WITH THAT SENT TO ANOTHER DEVICE An audio stream is to be synchronized with a video stream. Therefore a system that comprises a first device (4) comprising communicating means (14) for receiving in push mode a first multimedia content is disclosed. The first multimedia content is a first ... | 08/04/2011 |
| 20110181776 | 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 may... | 07/28/2011 |
| 20110141355 | SYNCHRONIZATION OF VIDEO PRESENTATION BY VIDEO CADENCE MODIFICATION A system synchronizes a video presentation to a master time reference (e.g., a corresponding audio presentation) by modifying a video cadence. The system detects when a displayed video leads or lags a master time reference by a programmable level or more. The system min... | 06/16/2011 |
| 20110135282 | SYSTEM AND METHOD FOR SYNCHRONIZING BROADCAST VIDEO WITH A SECONDARY AUDIO SOURCE Embodiments of the disclosed invention include an apparatus, method, and computer program product for providing a video source with a secondary audio source. For example, in one embodiment, a method is disclosed that includes receiving a broadcast signal from a first so... | 06/09/2011 |
| 20110102674 | APPARATUS AND METHOD FOR ADJUSTING THE COGNITIVE COMPLEXITY OF AN AUDIOVISUAL CONTENT TO A VIEWER ATTENTION LEVEL To allow viewer to adapt audiovisual content to their attention level, the audiovisual signal processing arrangement (104, 106), comprising an audiovisual signal processing unit (104) arranged to receive from a control unit (106) at least one comple... | 05/05/2011 |
| 20110043694 | TRANSMITTING APPARATUS, RECEIVING APPARATUS AND CONTENTS REPRODUCING SYSTEM A transmitting apparatus connects to a receiving apparatus via a transmission medium, and transmits contents based on an audio transmitting clock. The transmitting apparatus includes a frequency deviation receiving unit and a clock varying unit. The frequency deviation ... | 02/24/2011 |
| 20110013084 | 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 stream wi... | 01/20/2011 |
| 20100302441 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM An information processing apparatus according to the present invention includes: a transformation unit configured to perform an image data transformation processing to transform a shape of image data; a first determination unit configured to determine an output position... | 12/02/2010 |
| 20100289954 | PROVIDING AUDIO SIGNALS USING A NETWORK BACK-CHANNEL A method for providing audio portions of broadcast television signals is disclosed. A television signal is buffered by a multimedia client. In response to a user request, audio data may be obtained from a service provider and sent back to the multimedia client using a n... | 11/18/2010 |
| 20100289953 | SYSTEM AND METHOD FOR PROCESSING MULTIMEDIA DATA USING AN AUDIO-VIDEO LINK A multimedia processor includes an audio processor configured to process an audio input signal to generate an audio output signal and an assistant signal, and a video processor coupled with the audio processor and configured to process video input signal and the assista... | 11/18/2010 |
| 20100191883 | INFORMATION DEVICE INCLUDING MAIN PROCESSING CIRCUIT, INTERFACE CIRCUIT, AND MICROCOMPUTER An information device packaged in one package includes a main function unit and an interface function unit. The main function unit includes a main processing circuit for executing signal processing related to a main function in the information device and a first microco... | 07/29/2010 |
| 20100053430 | 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 may... | 03/04/2010 |
| 20090295992 | Method and Apparatus for Audio and Video Synchronization Timestamp Rollover Correction There are provided methods and apparatus for audio and video synchronization timestamp rollover correction. A synchronization apparatus includes a synchronizer for providing synchronization information for synchronizing a video stream with an audio stream during any poi... | 12/03/2009 |
| 20090290064 | AV System AV content is input and output in an AV system. In the AV system, a plurality of AV devices process a signal of the content to reproduce the content. A source device broadcasts the content to each of the AV devices. In each of the AV devices, a reproduction unit receive... | 11/26/2009 |
| 20090273712 | SYSTEM AND METHOD FOR REAL-TIME SYNCHRONIZATION OF A VIDEO RESOURCE AND DIFFERENT AUDIO RESOURCES An audio-visual system and method employs a dual-control interface for directly controlling the video speed of an underlying video resource for video output, and for switching among any of a plurality of audio resources at different points in time independently of the v... | 11/05/2009 |
| 20090268091 | RECEIVER CAPABLE OF GENERATING AUDIO REFERENCE CLOCK A receiver for use in a system for transmission from a transmitter to a receiver is provided, the receiver including: a first frequency divider for outputting a first signal by dividing a signal with a frequency corresponding to a pixel clock or an integral multiple the... | 10/29/2009 |
| 20090251600 | AV 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 betwee... | 10/08/2009 |
| 20090167943 | Apparatus and Method for Synchronizing Video and Audio Data Techniques for synchronizing audio and video data being transferred from one device to another device are disclosed. According to one aspect of the present invention, a periodic signal is generated in a host device (e.g., a personal computer) and transferred to a thin d... | 07/02/2009 |
| 20090148131 | Systems and Methods of Reducing Media Stream Delay Through Independent Decoder Clocks In one embodiment, a method of reducing video delay in a program stream comprises: setting an audio reference clock to an initial value based on a presentation timestamp for a frame that is the first decodable frame in the audio stream; setting a video reference clock t... | 06/11/2009 |
| 20090135300 | AUDIO PROCESSING APPARATUS, VIDEO PROCESSING APPARATUS, AND METHOD FOR CONTROLLING THE SAME A video audio system includes an audio processing apparatus capable of processing audio signals input from a plurality of input sources and a video processing apparatus capable of displaying a video image based on a video signal input from a selected input source. The v... | 05/28/2009 |
| 20090128698 | AUDIO SYNCHRONIZER FOR DIGITAL TELEVISION BROADCAST An audio synchronizer for a digital television broadcast has a clock generation section that generates a fundamental clock pulse by demultiplying a clock pulse of a given frequency, which is generated by multiplying an input clock pulse, by a predetermined demultiplicat... | 05/21/2009 |
| 20090115897 | TRANSMISSION DEVICE The identification information processing unit receives identification information identifying the reception device from a reception device, and generates decoded identification information indicating the decoded value of the received identification information. The par... | 05/07/2009 |
| 20090091655 | SYNCHRONIZING REMOTE AUDIO WITH FIXED VIDEO A multimedia device (100) including a separating entity configured to separate a multimedia stream into audio frames and video frames, a sequencing entity configured to add a sequence number to at least one audio frame, a transceiver configured to transmit audio ... | 04/09/2009 |
| 20090073316 | LIP-SYNC CORRECTING DEVICE AND LIP-SYNC CORRECTING METHOD A video signal and an audio signal are transmitted from a source device (400) to a sink device (410) in conformity with respective predetermined interfaces through respective transmission channels. The respective interfaces include bidirectional interface ... | 03/19/2009 |
| 20090040379 | METHOD AND APPARATUS FOR INTERDEPENDENTLY CONTROLLING AUDIO/VIDEO SIGNALS A signal control method of analyzing audio and video signals and interdependently enhancing each audio and video signal with regard to a multimedia input sequence including audio and video signal components are provided. The method of controlling audio and video signals... | 02/12/2009 |
| 20090028347 | AUDIO CAMERA USING MICROPHONE ARRAYS FOR REAL TIME CAPTURE OF AUDIO IMAGES AND METHOD FOR JOINTLY PROCESSING THE AUDIO IMAGES WITH VIDEO IMAGES Spherical microphone arrays provide an ability to compute the acoustical intensity corresponding to different spatial directions in a given frame of audio data. These intensities may be exhibited as an image and these images are generated at a high frame rate to achieve... | 01/29/2009 |
| 20080273116 | Method of Receiving a Multimedia Signal Comprising Audio and Video Frames The present invention relates to a method of receiving a multimedia signal in a communication apparatus, said multimedia signal comprising at least a sequence of video frames (VF) and a sequence of audio frames (AF) associated therewith. Said method comprises the steps ... | 11/06/2008 |
| 20080266452 | MULTI-MEDIA DEVICE A multi-media device (100) for processing data includes a multi-media unit (101), a data unit (106) and a data processing unit (108). The multi-media unit is configured for coding sound-waves to audio data and light-waves to video data, and e... | 10/30/2008 |
