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REVERSIBLE AUDIO DATA HIDING
Chi Man PUN; Ka Cheng CHOI; C L Philip CHEN
Rights HolderUniversity of Macau
Date Available2015-11-12
CountryUnited States
Subtype发明专利
Abstract

The present invention provides a method of reversible audio data hiding. The method of data hiding and restoring comprises the steps of : protecting audio by embedding information into the audio according to variance calculation associated to the audio, wherein the quality of the protected audio is degraded after embedding the information into the audio; publishing the protected audio widely as a trial for listen version; and decoding the protected audio for a user who purchased the copyright of the audio by extracting the original audio from the protected audio.

Application Date2014-05-06
Patent NumberUS20150325246A1
Language英语
Application NumberUS14270801
Open (Notice) NumberUS20150325246A1
Fulltext Access
Document TypePatent
CollectionDEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
AffiliationUniversity of Macau
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Chi Man PUN,Ka Cheng CHOI,C L Philip CHEN. REVERSIBLE AUDIO DATA HIDING. US20150325246A1.
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