Generation of HDMI codewords using a TMDS encoder

Generation of HDMI codewords using a TMDS encoder

Encoding and decoding of video and non-video information includes creation of a second symbol from a first codeword. TERC4, TMDS and a guard band symbols are generated from a portion of the second symbols. The TMDS symbol and the guard band symbol are encoded so that they may be combined within a si...

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Bibliographische Detailangaben
1. Verfasser: PASQUALINO, CHRISTOPHER, R
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:Encoding and decoding of video and non-video information includes creation of a second symbol from a first codeword. TERC4, TMDS and a guard band symbols are generated from a portion of the second symbols. The TMDS symbol and the guard band symbol are encoded so that they may be combined within a single symbol. A portion of the first codeword is TMDS encoded to generate a TMDS symbol. TMDS encoding of a portion of the second symbol also generates a TERC4 symbol and a guard band symbol for the transmitted signal. The second symbol and the first codeword are generated from a portion of a received signal. The first codeword is a 4-bit pre-TERC4 codeword, while the second symbol is an 8-bit pre-TMDS symbol.