Systems and methods for decoding teletext messages

A system and method for efficiently detecting and decoding valid teletext message sequences is provided. A system is provided that includes a correlator, a sine wave generator, two time window generators, a phase detector, a framing code search engine, and a match filter. The method includes determi...

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Hauptverfasser:	Grossman, Brad, Movshovich, Aleksandr
Format:	Patent
Sprache:	eng
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creator	Grossman, Brad Movshovich, Aleksandr
description	A system and method for efficiently detecting and decoding valid teletext message sequences is provided. A system is provided that includes a correlator, a sine wave generator, two time window generators, a phase detector, a framing code search engine, and a match filter. The method includes determining the phase of the run-in burst of a teletext message sequence, identifying the framing code location, deciding whether the teletext sequence is valid, and decoding the teletext data for display.
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title	Systems and methods for decoding teletext messages
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