Decoding and encoding of information in audio signals

Details Decoding and encoding of information in audio signals Decoding and encoding of information in audio signals

G - Physics

10

L

G10L 19/00 (2006.01) H04L 9/00 (2006.01) H04L 9/32 (2006.01)

Patent

CA 2371414

Systems and methods are provided for decoding a message symbol in an audio signal. This message symbol is represented by first and second code symbols displaced in time. Values representing the code signals are accumulated (116) and the accumulated values are examined to detect the message symbol (120).

L'invention concerne des systèmes et des procédés de décodage d'un symbole de message dans un signal audio. Ce symbole de message est représenté par un premier et un second symboles de code déplacés dans le temps. Des valeurs représentant les signaux de code sont accumulées (116) puis examinées afin de détecter le symbole de message (120).

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