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6803966 |
Digital TV receiver and method for receiving digital TV signal
A digital TV receiver and a method for receiving a digital TV signal are disclosed, in which timing recovery and segment synchronizing signal recovery are independently implemented and VSB...
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6803965 |
Method of and apparatus for measuring horizontal frequency
A method of measuring horizontal frequency, which comprises the steps of resetting an 8-bit counter, which counts horizontal synchronous pulses separated from a video signal, at a time point...
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6801246 |
Method and apparatus for detecting change in video source material
A signal processing method and apparatus in which a horizontal and/or vertical synchronizing signal related to a received video signal is monitored to determine if a relatively large change has...
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6782065 |
Method and apparatus for reproducing system clock in digital data transmission network
An apparatus for reproducing a system clock provided with a reproducing unit for reproducing a first time reference clock T 1 , a generating unit for generating a system clock Sck, a generating...
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6760076 |
System and method of synchronization recovery in the presence of pilot carrier phase rotation for an ATSC-HDTV receiver
There is disclosed a system and method for recovering a recurring data segment synchronization pattern in the presence of an arbitrary phase rotation of a pilot carrier by detecting and...
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6757024 |
Timing recovery apparatus and method for digital TV using envelope of timing error
A timing recovery apparatus and method for a digital TV is disclosed. The timing recovery apparatus includes: a symbol synchronization unit for determining the bandwidth of a timing recovery loop...
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6744815 |
Method for synchronizing audio and video streams
In a combined audio and video encoding system, the encoding system receiving a stream of video samples and a stream of audio samples, the encoding system producing an encoded video stream from the...
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6738056 |
System and method for handling the input video stream for a display
A system for handling an input video stream comprises an internal clock generator generating a first clock and a synchronization unit receiving the input video stream having an associated second...
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6710814 |
Digital broadcast receiving system for detecting short-breaks and holding information based on same
A receiver is constructed so that it detects a short-break of a digital broadcasting wave by the absence of a synchronizing code or by a transmission control signal multiplexed with the...
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6636269 |
Video timing system and method
A video timing system and method. The method typically includes receiving from an input video stream an input video field in a video buffer, transmitting an output video field from the video buffer...
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6614487 |
Apparatus and method for detecting synchronizing signal of digital TV
An apparatus and method for detecting a synchronizing signal in a digital TV receiver which adopts a VSB mode is disclosed. The apparatus includes a correlation unit for obtaining a correlation...
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6608646 |
Method and device for detecting and correcting a malfunction of a horizontal/vertical processor used in an image display device
A method for detecting and correcting an error of a device in which a malfunction of a horizontal/vertical processor used in an image display device is detected and corrected. A microcomputer...
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6606127 |
System and method for synchronizing, storing and accurately reproducing video signals
A method and apparatus for synchronizing multiple signals is provided. The method and apparatus utilize the timing information of one of the multiple signals as a reference clock for synchronizing...
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6587139 |
Device for measuring period of synchronizing signal and display device
Disclosed is a period measuring device comprising a clamping circuit to which a synchronizing signal in an input image signal is inputted, a comparator for removing noise in the synchronizing...
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6549198 |
Hout position control circuit
Disclosed is a HOUT position control circuit used to control the horizontal position of display image in a multisync monitor. The circuit has: a first PLL circuit that is phase-locked with input...
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6525776 |
Information compressing apparatus and method
An information processing apparatus includes an address generation circuit for generating an address signal. A memory operates for storing an information signal containing a video signal in...
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6512555 |
Radio receiver for vestigal-sideband amplitude-modulation digital television signals
Apparatus for reproducing data from a selected digital television signal, transmitted in packet form as vestigial-sideband (VSB) amplitude-modulation (AM) of a carrier, has a tuner for selecting a...
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6504578 |
Apparatus and method for detecting vertical synchronizing signal of digital TV
An apparatus and method for detecting a vertical synchronizing signal in a digital TV receiver using a VSB system is disclosed. The present invention includes a vertical obtaining the correlation...
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6487365 |
Data structure for representing a program containing components organized in a series of data blocks
A system for playing a selected one of multiple audio tracks recorded in synchronized fashion with a motion picture on an optical disk. The optical disk has encoded on it a mixing master music and...
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6480902 |
Intermedia synchronization system for communicating multimedia data in a computer network
The inventive system mainly includes a synchronization marker at a transmitting site and a synchronization forcer at a receiving site connecting to each other via computer networks. The...
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RE37904 |
Apparatus in digital video tape recorder for detecting a sync signal in digital data
An apparatus for a digital video tape recorder for detecting a sync signal in digital data includes: a data restoring device for producing serial data and a serial clock signal received from a...
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6441812 |
Hardware system for genlocking
A computer system includes a graphics controller with a first refresh rate and a first horizontal synchronization signal; a secondary source of video data having a second refresh rate and a second...
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6437824 |
Image pickup apparatus and system
A camera section for photographing an object to generate a video signal is connected via a cable to a video signal processing section that receives and processes the video signal. When the camera...
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6429901 |
PLL circuit and phase lock detector
A PLL circuit which outputs an oscillation clock signal synchronous with a reference clock includes a phase lock detector for detecting if the oscillation lock signal is synchronous with the...
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6404818 |
Video transmission device and its method
In a video transmission device, a plurality of video data associated with one program can be transmitted without a complicated processing at the time of reception. In the case of transmitting a...
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6392698 |
Camera head-detachable image sensing apparatus, image processing apparatus, and image sensing system constituted therewith
An image sensing system configured with a camera head-detachable image sensing apparatus and an image processing apparatus connected via a cable. The image processing apparatus generates a...
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6331875 |
Method and device for arranging digitized image signals or data in orthogonal rows and columns
Television receivers are increasingly making use of digital signal processing. Present-day television receivers use a line-coupled clock system in this case, since this produces an orthogonal pixel...
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6313879 |
Synchronization method and decoder
When short MPEG2 data transfer streams, such as those used for commercials, are sequentially distributed within a short period of time, a decoder method synchronizes the transfer and prevents...
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6297849 |
Output timebase corrector
An output timebase corrector converts orthogonal sampled video (VS) into asynchronous sampled video (VOS) with asynchronous sample values occurring at clock instants (TC) of a clock signal (CLK)....
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6297852 |
Video display method and apparatus with synchronized video playback and weighted frame creation
A video display apparatus and method for displaying decoded video frames from an encoded video stream utilizes a display time difference determinator that detects a frame display time difference,...
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6271888 |
Method for obtaining line synchronization information items from a video signal, and apparatus for carrying out the method
A method for obtaining line synchronization information items from a video signal is proposed. To that end, the following improvement measures are proposed: a) an accurate determination of the...
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6262695 |
Method and apparatus for phase-locking a plurality of display devices and multi-level driver for use therewith
A method and apparatus for phase-locking a plurality of display devices and multi-level driver for use therewith. Each of the display devices displays an image under the control of a distinct clock...
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6262777 |
Method and apparatus for synchronizing edited audiovisual files
Disclosed are methods and apparatuses for stitching a first and second audiovisual segment together. By way of example, each audiovisual segment has a multiplicity of audio frames including a first...
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6259485 |
Sync separating circuit
A level is preset into a counter. The level held in the counter is compared with the minimum value of the present video signal by a level detecting circuit. When the minimum value of the present...
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6249319 |
Method and apparatus for finding a correct synchronization point within a data stream
A method in a data processing system for locating a correct synchronization point in a data stream containing a plurality of video data packets and a plurality of audio data packets. A data stream...
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6233295 |
Segment sync recovery network for an HDTV receiver
A receiver for processing a VSB modulated signal containing terrestrial broadcast high definition television information and a pilot component includes an input analog-to-digital converter (19) for...
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6229401 |
Horizontal frequency generation
A video display apparatus displays pictures from broadcast sources of standard or high definition pictures and may also display computer generated images. To display these sources a horizontal...
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6188440 |
Image processor
A conversion unit having a bidirectional conversion function of converting analog video signals into digital image data and vice versa and a processing unit having a function of encoding image data...
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6181383 |
Method and apparatus for preserving synchronization of audio and video presentation when splicing transport streams
A method and apparatus for preserving audio and video presentation synchronization during the splicing operation by selectively deleting, if necessary, an audio/video access unit to avoid...
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6172713 |
Color television system determination circuit
A color system determination circuit for use with an input video signal having a frequency component is disclosed. The circuit includes a color trap filter for attenuating the frequency component...
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6133958 |
Broadcast video desynchronizer
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6094212 |
Communication apparatus and communication method using dummy data
This invention proposes to eliminate the limitation that the reception data, assigned to a subchannel, cannot be re-assigned to another subchannel in the transmission. For this purpose, in a...
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6088063 |
Data encoding method and apparatus for outputting encoded data at a designated time
There occurs an output timing lag between audio and video, for example, in case of building a system. Excessive frame skipping, etc. occurs. Prior to comparing a PTS and an SCR of MPEG within an...
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6084642 |
Receiver for adjusting sync levels in VSB systems
A receiver for receiving a cable and terrestrial digital signals of differing VSB modes where the data levels of the various signals have a desired relationship that enables simple data level...
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6072533 |
Signal discriminator and sync signal generator
A sync signal generator with a signal discriminator comprising an input terminal supplied with a fist signal or a second signal of a higher frequency; a clock signal generating circuit; a first...
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6064443 |
Method for detecting and separating vertical and horizontal synchronous signals from computer system
A method for detecting and separating vertical and horizontal synchronous signals from a computer system. The input forms of the vertical and horizontal synchronous signals from the computer system...
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6037994 |
Sync signal processing device for combined video appliance
A sync signal processing device for a combined video appliance capable of directly processing a personal computer (PC) signal through a television (TV) receiver circuit to achieve the horizontal...
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6028640 |
Current source and threshold voltage generation method and apparatus for HHK video circuit
A current source and threshold voltage generation circuit generates a current, through a ratio of devices, and a corresponding threshold voltage signal, to be utilized by a timing circuit for...
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6018367 |
Frame display dilation in video decoding
A method and apparatus in a computer system for decoding and displaying video frames. An estimated number of intraframes which can be decoded in a current interframe run is determined. Based upon...
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5999222 |
Digital vertical sync separator
An improved high-performance vertical sync separator which can reliably operate during high frequency and non-standard video signal conditions and that utilizes a device-independent methodology....
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