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| Number | Title | Issue Date |
| 8184201 | Method and apparatus for automatic audio standard detection in terrestrial broadcast signals employing frequency scanning A method and apparatus for automatic audio standard detection in terrestrial broadcast signals is disclosed. In one embodiment, a method of detecting automatic audio standard for terrestrial broadcast includes scanning for each known audio frequency standard of inte... | 05/22/2012 |
| 7750975 | BTSC pilot signal lock An integrated digital BTSC encoder with an improved pilot signal generator substantially implemented on a single CMOS integrated circuit. By digitally generating a sinusoid that is frequency locked to a two-state input reference signal using a high rate internal clo... | 07/06/2010 |
| 7463310 | BTSC pilot signal lock An integrated digital BTSC encoder with an improved pilot signal generator substantially implemented on a single CMOS integrated circuit is described. By digitally generating a sinusoid that is frequency locked to a two-state input reference signal using a high rate... | 12/09/2008 |
| 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 multiplexed signal through a data line in the signal transmitter, and ... | 05/27/2008 |
| 7359615 | Method and device for ensuring storage time for digital broadcast When a digitized broadcast is recorded in a storage medium, a required capacity of the storage medium is firstly calculated on the basis of a bit-rate of digitized broadcast data and a recording time which is known in advance. If the remaining capacity of the storag... | 04/15/2008 |
| RE40107 | Video/audio transmission system and method The invention is a data pipeline system which synchronizes the display of digitized audio and video data regardless of the speed at which the data was recorded on its linear medium. To do this, the video data is played at a constant speed, synchronized by the audio ... | 02/26/2008 |
| 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 |
| 7333155 | Quadratic video demodulation with baseband nyquist filter A television tuner is fully implemented on a monolithic integrated circuit. The television tuner includes a baseband SAWF function fully integrated in silicon. The SAWF function includes trap and bandpass filters. A video demodulation circuit includes an I, Q demodu... | 02/19/2008 |
| 7274371 | Display controller and associated method A data-playing controller includes a register for storing a plurality of control parameters, a first-in-first-out buffer (FIFO) for storing data, and a control circuit capable of accessing a memory dynamically. The register can be electrically connected to a data-pl... | 09/25/2007 |
| 7274405 | Cable extension unit Synchronous signal overlapping and outputting means and sound signal transmitting means of a signal transmitter transmit any color signal which synchronous signals overlapped and the other color signals, and a sound signal on which polarity information of the synchr... | 09/25/2007 |
| 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 media program signal, measuring the timing interval from the audio event ... | 05/01/2007 |
| 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. According to an exemplary embodiment, the audio/video system ( | 05/01/2007 |
| 7199844 | Quadratic nyquist slope filter A television demodulator circuit, for use in a television receiver, generates baseband video and audio outputs from a television signal, such as an intermediate frequency television signal. The I, Q demodulator circuit mixes the television signal with an in-phase (â... | 04/03/2007 |
| 7184501 | Method of synchronous serial communication and system for synchronous serial communication A method and system for serial communication capable of increasing the speed of the transmission of serial data are provided. A block mode is employed if transmission of serial data having a specific length is required, and under which data to be transmitted are div... | 02/27/2007 |
| 7167209 | Methods for encoding data in an analog video signal such that it survives resolution conversion VEIL modulation is a method of “subliminal” encoding of data in a video image that is similar to a watermark. The encoding consists of alternately proportionately raised and lowered luminance on selected horizontal scan lines. The encoding can be detected using ... | 01/23/2007 |
| 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 |
| 7102465 | Frequency discrete LC filter bank An inductive (“L”)-capacitive (“C”) filter bank has application for use in a television receiver. The LC filter includes inductors configured in at least one inductive (“L”) bank, and capacitors configured in at least one capacitive (“C”) bank. The i... | 09/05/2006 |
| 7088202 | Methods and apparatus for an improved discrete LC filter A discrete inductive-capacitive (LC) filter selects between at least two inductor banks to tune the LC filter. The filter receives an input signal that includes one or more bands of frequencies. A control signal selects a band of frequencies for processing. A first ... | 08/08/2006 |
| 7068322 | Broadcasting receiver A remote control transmitter is provided with an AUDIO key for switching an audio mode in sound multiplex broadcasting and an ENTER key for determining various types of selections. When the ENTER key is operated in a state where the audio mode is temporarily selecte... | 06/27/2006 |
| 7068299 | System and method for graphically configuring a video call A method and system for visual configuration of a video call represents video devices as graphical icons presented through a user interface. A directed graph relates the graphical icons to represent the configuration of the video devices in the video call and ensure... | 06/27/2006 |
| 7057669 | Language displaying apparatus for digital TV and method for the same A language displaying apparatus for a digital TV and a method for the same notices all kinds of languages included in broadcasting signals and enables a user to recognize them and select the preferable language easily and accurately. To achieve this, the method acco... | 06/06/2006 |
| 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 |
| 7043211 | Universal modulator A modulator generates a combined signal consisting of audio and video signals and converts the combined signal to one of a plurality of frequencies in dependence upon a desired output frequency and broadcast standard. The modulator includes a summing amplifier, a fi... | 05/09/2006 |
| 7043749 | Audio-video packet synchronization at network gateway A method and apparatus for synchronizing sound and images in a real-time multimedia communication, such as an audio-video telephone call, through a network gateway, when the source and/or the destination of the audio signals, and optionally also the video signals, a... | 05/09/2006 |
| 7039320 | Portable laser transceiver A portable transceiver of one or more signals includes an input, frequency modulation, a splitter and a plurality of lasers in a transmitter module. A receiver module includes a Mangin mirror aligned with an input aperture. A photodiode receives the signal from the ... | 05/02/2006 |
| 7034898 | Mobile television receiver The receiving device contains at least two television channel selection devices to convert high-frequency signals into intermediate-frequency signals, at least two video demodulation devices to convert the intermediate-frequency signals into picture signals, at leas... | 04/25/2006 |
| 7027708 | System and method for reproducing a video session using accelerated frame playback A client for reproducing a video session includes a memory and a processor coupled to the memory. The memory stores a first video frame that includes first video data, a first video sub-frame comprising second video data that is different from the first video data, ... | 04/11/2006 |
| 7023488 | Circuit and method for live switching of digital video programs containing embedded audio data A circuit for detecting a transition in the content of a digital video stream containing embedded audio samples and providing a smooth transition from an old audio stream embedded before the transition to a new audio stream embedded after the transition. The circuit... | 04/04/2006 |
| 7006555 | Spectral audio encoding Blocks of audio are encoded based upon corresponding first and second frequencies. The first and second frequencies are hopped from block to block. An audio quality measure (AQM) is computed for each block of audio such that, if x out of y blocks of audio have an AQ... | 02/28/2006 |
| 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 |
| 6965601 | Data transmitting method and data transmitter When a serial digital transfer interface transmission packet in which an interval of each line of a video frame comprises an area into which an end synchronizing code EAV is inserted, an area into which header data is inserted, an area into which a start synchronizi... | 11/15/2005 |
| 6952237 | Apparatus and method for transmitting audio over a dedicated video line Disclosed is a method and apparatus for transmission of audio signals over a dedicated video transmission line in which the analog audio signal is inserted into and becomes a part of the video signal. Samples of the audio signal are inserted into the active video li... | 10/04/2005 |
| 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 |
| 6924843 | Image display apparatus control system and image display system control method An arrangement including a terminal for outputting at least a pair of video and acoustic signals, and a display for receiving the signals from the terminal and displaying a corresponding image, utilizes (1) a terminal modem including a multiplexer for time division ... | 08/02/2005 |
| 6925508 | Recording method from improving interrupted interference by checking size of main buffer and allocating alternative buffer to generating interpolated sample if main buffer is to small A recording method for improving interrupted interferences, for use in a recording apparatus. First, a buffer is allocated, and then, the size of the buffer is checked. If the size of the buffer is smaller than a minimum recording segment, an alternative buffer is a... | 08/02/2005 |
| 6924845 | Value added digital video receiver Methods and systems are provided for customizing a digital broadcast receiver. Video and audio clips may be captured from a broadcast signal after receiving commands from a user. The captured clips may then be used to provide background images and sounds. Sounds may... | 08/02/2005 |
| 6922718 | Method and system for participating locations in a multi-point video conference A multi-point video conferencing system and method for managing display of images of multiple participating locations and bandwidth allocated for a multi-point video conference. The multi-point video conferencing system detects an audio signal associated with an ima... | 07/26/2005 |
| 6917387 | Arrangement for time-correct combination of two data streams Methods and apparatus are described for time-correct combination of two data streams, particularly video data streams. In this case, a sync signal of the first video data stream is a horizontal sync signal. In this case, methods and apparatus are provided to combine... | 07/12/2005 |
| 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 and including a particular image pattern and a reference audio data h... | 06/28/2005 |
| 6912008 | Method of adding data to a data communication link while retaining backward compatibility A method of adding auxiliary data, e.g., audio data, to a high-speed serial video link in such a way that it is invisible to existing receiver and such that auxiliary data, e.g., audio, can be transmitted without any knowledge of the capabilities of the display to r... | 06/28/2005 |
