Spectral wells for inserting watermarks in audio signals

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United States of America Patent

PATENT NO 9311924
SERIAL NO

14855787

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Abstract

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A method to watermark an audio signal includes inserting a first symbol in a spectral well, the spectral well corresponding to at least one of a second spectral portion when amplitude of a first spectral portion and amplitude of a third spectral portion exceed amplitude of the second spectral portion, or the second temporal portion when amplitude of a first temporal portion and amplitude of a third temporal portion exceed amplitude of the second temporal portion.

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Patent Owner(s)

Patent OwnerAddress
TLS CORP1241 SUPERIOR AVENUE E CLEVELAND OHIO 44114 UNITED STATES OF AMERICA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blesser, Barry Belmont, US 18 194

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