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| Number | Title | Issue Date |
| 7359437 | Encoding method and system for reducing inter-symbol interference effects in transmission over a serial link A communication system including a transmitter, a receiver, and a serial link, in which encoded data (e.g., encoded video data and encoded auxiliary data) are transmitted from the transmitter to the receiver. The serial link can but need not be a TMDS or TMDS-like l... | 04/15/2008 |
| 7295578 | Method and apparatus for synchronizing auxiliary data and video data transmitted over a TMDS-like link A communication system including a transmitter, a receiver, and a TMDS-like link, in which video data and auxiliary data are transmitted from the transmitter to the receiver, or in which video data are transmitted over the link from the transmitter to the receiver a... | 11/13/2007 |
| 7283566 | Method and circuit for generating time stamp data from an embedded-clock audio data stream and a video clock In preferred embodiments, a system including a transmitter, a receiver, and a serial link, in which the transmitter is configured to transmit video data, embedded-clock auxiliary data (or auxiliary data derived from embedded-clock auxiliary data), and a video clock ... | 10/16/2007 |
| 7257163 | Method and system for reducing inter-symbol interference effects in transmission over a serial link with mapping of each word in a cluster of received words to a single transmitted word A system in which encoded data (e.g., encoded video and auxiliary data) are transmitted over a serial link. Other aspects of the invention are transmitters for use in encoding data for transmission over a serial link, receivers for receiving such data, and methods f... | 08/14/2007 |
| 7129991 | Transmission method of digital audio data with video data Digital audio data that have a predetermined packet structure are divided into units including a predetermined number of bits; each unit of the divided digital audio data is converted into specific data to be encoded; the encoded data are arranged in blanking interv... | 10/31/2006 |
| 7123673 | System and method for transmission of digital information of varying sample rates over a synchronous network A system for transmitting digital information over a synchronous network includes at least one source node and at least one sink node both coupled with the synchronous network. The source node provides source information sampled at a source sample rate (Fsi) to the ... | 10/17/2006 |
| 7110457 | System and method for time division multiplexing of asynchronous video and data signals A system and method for time division multiplexing multiple lower bandwidth signals into a high bandwidth signals such as a high-definition television signal. The invention provides an integrated transmission, distribution and routing signal format in which low-band... | 09/19/2006 |
| 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 transmitter to the receiver. The serial link can but need not be a TMDS or TM... | 08/08/2006 |
| 7050603 | Watermark encoded video, and related methods Watermarks in video signals or the accompanying audio track are used to associate video objects in a video sequence with object specific actions or information. A video object refers to a spatial and temporal portion of a video signal that depicts a recognizable obj... | 05/23/2006 |
| 7035296 | Data transmission system using at cellular phones A data transmission system for cellular phones. A video data encoder encodes video data, and an audio data encoder encodes audio data. A video data storage unit stores encoded video data, and an audio data storage unit stores encoded audio data. A multiplexer multip... | 04/25/2006 |
| 7012949 | OFDM guard band communication apparatus and method A transmitting apparatus and method may inverse Fourier transform transmit data converted to parallel form to obtain a first signal. The band of a second signal is limited to a guard frequency band adjacent to the band of the first signal, and a signal comprising th... | 03/14/2006 |
| 6985782 | Audio control signal transmission apparatus and reception appartus, control system and control method using an audio control signal, program information transmission apparatus and transmission method, and program reservation apparatus and program reservation method An audio control signal transmission apparatus and reception apparatus, an audio control signal based control system and control method, a program information transmission apparatus and transmission method, and a program reservation apparatus and program reservation... | 01/10/2006 |
| 6977690 | Data reproduction apparatus and data reproduction method A data reproduction apparatus is adapted to receive a first piece of caption information including a first piece of control information for displaying a caption on the screen of a television receiving set and a second piece of caption information including a second ... | 12/20/2005 |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6914637 | Method and system for video and auxiliary data transmission over a serial link 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 transmitter to the receiver. The serial link can but need not be a TMDS or TM... | 07/05/2005 |
| 6895596 | Circuit and method for interleaving a data stream A circuit and method of interleaving a data stream (DATA) in which the data to be interleaved is contained in separate sections of the data stream. A buffer storage circuit (28) receives and stores the data stream. A first section (T1-T2) of the... | 05/17/2005 |
| 6519008 | Filter circuit For an optimal adjustment of the filter frequency of a signal filter, independently of external influences, process spreads and temperature fluctuations, a filter circuit for filtering at least one sound carrier in a composite video signal by at least one... | 02/11/2003 |
| 6404925 | Methods and apparatuses for segmenting an audio-visual recording using image similarity searching and audio speaker recognition Methods for segmenting audio-video recording of meetings containing slide presentations by one or more speakers are described. These segments serve as indexes into the recorded meeting. If an agenda is provided for the meeting, these segments can be label... | 06/11/2002 |
| 6246439 | Transparent embedment of data in a video signal A method and apparatus for transparently embedding data into a video signal modulates a particular carrier frequency with a randomized pattern representing the data. The randomized pattern may be a combination of the data with the output from a pseudo-ran... | 06/12/2001 |
| 6240189 | Generating a common bass signal A system for extracting a bass signal from left and right audio input signals of a stereo signal including a differencing circuit generating a difference mode signal from the left and right audio input signals; a detector circuit generating a first coeffi... | 05/29/2001 |
| 6037992 | Audio transmission in the video stream with adaptive gain An improved system for transmitting audio signals in a TV strewn employs an adaptive gain system. The system provides for sampling the audio signal in each of successive intervals in between 256 (28) and 65,535 (216) steps, for deter... | 03/14/2000 |
| 5953066 | Bilingual television signal processor In a bilingual television signal processor which is capable of automatically controlling a bandpass filter for detecting a pilot signal included in a bilingual signal received in a television receiver having a bilingual function without an external adjust... | 09/14/1999 |
| 5929921 | Video and audio signal multiplex sending apparatus, receiving apparatus and transmitting apparatus The present invention provides a video and audio signal multiplex transmitting apparatus having a video and audio signal multiplex sending apparatus for grouping audio data to packets of a fixed length in the sending side, and multiplexing video and audio... | 07/27/1999 |
| 5808689 | Method and apparatus for nesting secondary signals within a television signal A method and apparatus is disclosed for encoding secondary signals, such as audio signals, within a television signal in a manner such that the signal may be either recorded on a video cassette or broadcast. The audio samples are encoded only on selected ... | 09/15/1998 |
| 5751366 | Inclusion of audio signal within video signal A system for including audio data within a video signal. The number of frames of video data transmitted is reduced, thereby allowing greater time for each individual frame, thereby allowing the breezeway of each line of each frame to be lengthened. The br... | 05/12/1998 |
| 5737034 | Radio frequency modulator having an audio multiplex broadcasting function A radio frequency (RF) modulation apparatus for modulating input video and audio signals into a television broadcast signal is provided. The apparatus includes a buffer amplifier, a decoder, a switching device, and an RF modulator. The buffer amplifier am... | 04/07/1998 |
| 5523795 | Method and apparatus for serial transmission and/or reception of nonsynchronous, multiplexed signals A method and an apparatus capable of transmitting and receiving multiplexed signals as serial data in such a manner that, even in a state where a continuous signal such as an audio digital signal is not in synchronism with another signal such as a video d... | 06/04/1996 |
| 5483298 | Circuit arrangement for demmodulating the sound signals in a television signal in accordance with at least two different transmission standards A circuit arrangement for demodulating the sound signals in a television signal is described, which circuit arrangement ensures a simple and low-cost structure, also for operation at different transmission standards. To this end, the circuit arrangement a... | 01/09/1996 |
| 5153723 | HDTV audio subsystem with timing characteristics compatible with video subsystem An audio subsystem for use in an HDTV broadcast system includes a sampler for sampling an analog audio signal at a sampling rate of 3H, where H is the NTSC horizontal scanning frequency. The sampled audio signal is formatted into repetitive blocks which a... | 10/06/1992 |
| 5072297 | Method and system for transmitting and receiving PCM audio signals in combination with a video signal A method and system for multiplexing additional audio information in the form of pulse code modulation (PCM) audio signals onto a television signal. The PCM audio signal is time multiplexed into scanning retrace intervals of the video signal. At a receive... | 12/10/1991 |
| 5063447 | Information processing apparatus having a common A/D converter for the image and audio signals An information processing apparatus having a common A/D converter for the image and audio signals includes image pickup circuitry for converting an image into an image signal. Preferably, the image pickup means has an effective period and an ineffective p... | 11/05/1991 |
| 4945403 | Color television format using pulse frequency and pulse width modulation A luminance signal in a component video signal is pulse frequency modulated, and the pulse frequency modulated signal is sequentially pulse width modulated by two color difference signals alternately. Thus, the component video signal is transmitted as one... | 07/31/1990 |
| 4805014 | Signal transmission system for a CATV system A CATV (cable television) signal transmitting system for use with a broadcast satellite system includes a receiving stage for receiving a broadcast satellite station signal consisting of base-band video signals and a sub-channel digital audio signals PSK ... | 02/14/1989 |
| 4745476 | Television sound signal processing apparatus A television sound signal processing apparatus receives a digitized delta-encoded sound signal superposed in a horizontal blanking period and a digital signal showing the standard value of the sound signal superposed in a vertical blanking period, and the... | 05/17/1988 |
| 4665431 | Apparatus and method for receiving audio signals transmitted as part of a television video signal The apparatus and method for receiving one or more audio frequency signals transmitted on a television video signal includes a decoder comprised of a pulse separator to recover modulated pulses from said video signal and a demodulator to demodulate said m... | 05/12/1987 |
| 4652903 | Frequency generation for multiplexed analog component color television encoding and decoding In a Multiplexed Analog Component (MAC) color television transmission system in which the MAC signal is to be converted at the receiver to a composite color television signal having a 227.5 fH color subcarrier, frequency-generation equipment re... | 03/24/1987 |
| 4514760 | Digital television receiver with time-multiplexed analog-to-digital converter In a television (TV) receiver having digital signal processing in which the video and sound signals are separated in the analog processing circuitry, one analog-to-digital converter (ADC) serves both the video and sound signal paths. The analog video and ... | 04/30/1985 |
| 4479150 | Methods and arrangements for changing the audio information in an audio/video recording/reproduction system The invention relates to methods and circuit arrangements for changing the audio information in an audio/video recording/reproduction system and particularly in a color video system wherein the audio signals are inserted as sampling pulses of a time-multi... | 10/23/1984 |
| 4333108 | Apparatus and method for transmitting a pulse width modulated audio signal on a video signal A system for transmitting an audio signal in pulse width modulated form on a video signal is disclosed. The audio signal is modulated by varying the time occurance of at least one edge of a pulse as a function of the voltage level of said audio signal at ... | 06/01/1982 |
| 4253115 | Process for the transmission of an audiofrequency analog signal during line-frame synchronization intervals of a television signal and apparatus for performing this process The transmission process comprises a coding of the sound signal consisting of converting it into words of n bits at a frequency double the line frequency and during each synchronization pulse transmitting four words of n bits corresponding to different sa... | 02/24/1981 |
