Recoverable digital content degradation: method and apparatus
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United States of America Patent
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Jan 25, 2011
Issued Date -
N/A
app pub date -
Mar 30, 2005
filing date -
Mar 10, 1999
priority date (Note) -
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Abstract
The present disclosure relates generally to processing media signals such as audio and video. One claim recites a method comprising: obtaining a media signal, wherein the media signal comprises a plurality of samples; identifying characteristics of the media signal, said act of identifying utilizes a programmed electronic processor; utilizing a programmed electronic processor to change some of the plurality of samples at or near the characteristics to degrade the media signal, wherein the changing results in human perceptible degradation, but wherein the degradation is removable according to a process which uses at least some different characteristics of the media signal than were identified by said act of identifying; and communicating the degraded media signal. Of course, other claims and combinations are provided too.
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