Method and system for encoding image and audio content
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United States of America Patent
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Nov 11, 2003
Issued Date -
N/A
app pub date -
May 8, 2002
filing date -
Nov 18, 1993
priority date (Note) -
Expired
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Abstract
Image or audio content data is encoded to steganographically convey plural bit auxiliary data. The content data is thereafter subjected to lossy compression/decompression, and the auxiliary data can still be recovered and used, e.g., to control associated audio or video equipment.
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