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Orthogonal data organization for error detection and correction in serial video interfaces

A technology for video data and data blocks, applied in the direction of error correction/detection using linear codes, error correction/detection using block codes, error correction/detection using interleaved technology, etc., and can solve problems such as damaging large blocks of pixels

Inactive Publication Date: 2016-11-09
LATTICE SEMICON CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The transmission of compressed digital video data supported by modern digital video interface systems faces the challenge of providing efficient error detection and correction in the transmitted digital video data, because even if said errors occur infrequently, when transmitting compressed digital video data , single bit errors can corrupt large blocks of pixels in the digital video data and may be visible to human vision

Method used

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  • Orthogonal data organization for error detection and correction in serial video interfaces
  • Orthogonal data organization for error detection and correction in serial video interfaces
  • Orthogonal data organization for error detection and correction in serial video interfaces

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Embodiment Construction

[0016] As used herein, "network" or "communication network" means the transfer of digital media content (including music) between devices utilizing any number of technologies, such as Serial ATA (SATA), Frame Information Structure (FIS), etc. , audio / video, games, photos / images, and others) over the Internet. Networks include Local Area Networks (LANs), Wide Area Networks (WANs), Metropolitan Area Networks (MANs), Intranets, and the Internet. In a network, certain network devices may be sources of digital media content, such as digital television tuners, cable set-top boxes, handheld devices such as personal device assistants (PDAs), video storage servers, and other source devices. Such devices are referred to herein as "source devices" or "transmitting devices." Other devices can receive, display, use, or store digital media content, such as digital televisions, home theater systems, audio systems, gaming systems, video and audio storage servers, and the like. Such devices ...

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PUM

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Abstract

A source device receives digital data comprising uncompressed video data and its associated metadata and compresses the video data. The source device generates an error code for each data word representing the compressed video data and its associated metadata. The data word and its corresponding error code are combined to form a code word. The source device organizes code words of the video data and its metadata into orthogonal data blocks and transmits the data blocks to a sink device. The sink device decodes corrupted data bits in the received data based on analysis of the error codes of the code words in the data blocks. Organizing code words into orthogonal data blocks helps isolate corrupted data bits in data blocks and enables the sink device to detect and correct corrupted data bits resulting from a single transmission error and to detect corrupted data bits resulting from multiple transmission errors.

Description

technical field [0001] Embodiments of the invention relate generally to the field of digital data transmission over computer networks and, more particularly, to error detection and correction within video channels. Background technique [0002] The transmission of video data over a video channel in modern digital video interface systems is usually subject to a certain non-zero bit error rate. Modern video interface standards such as High Definition Multimedia Interface (HDMI), Mobile High Definition Link (MHL) and other audio / video interface standards support the transmission of uncompressed video data and specify acceptable bit error rates for video data transmission. Associated bit errors in the transmitted video data result in corrupted pixels of the video data. However, the bit error rate of video data transmitted over video channels in digital video interface systems based on HDMI, MHL, and other audio / video interface standards is generally low, making occasional bit e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/65H04N19/89H03M13/27
CPCH03M13/1515H03M13/152H03M13/19H03M13/2707H03M13/6312H04N19/65H04N19/89H04N19/147H04N19/46
Inventor 李周桓L·A·汤普森
Owner LATTICE SEMICON CORP
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