Audio monitoring using steganographic information
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United States of America Patent
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-
May 6, 2003
Issued Date -
N/A
app pub date -
Dec 28, 1999
filing date -
Oct 21, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An audio monitoring device includes a microphone for receiving sound energy from a loudspeaker, and a steganographic decoder that decodes the signal produced by the microphone. By reference to the steganographically-decoded information, the device can be used to monitor the musical selections played in a venue for copyright royalty purposes and the like.
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