A multiple audio watermarking for database based on blind source separation

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2 Scopus citations

Abstract

By introducing speech, a multiple audio watermarking algorithm for database based on blind source separation is presented. The watermarking, a mixture of the speech signals of multiple copyright owners is inserted into database. After multiple watermarking is extracted, the speech signals of copyright owners will be separated by blind source separation algorithm based on maximum signal noise ratio. The speeches are matched by speech recognition technology based on DWT algorithm in order to prove that speeches are owned by multiple copyright owners.

Original languageEnglish
Pages (from-to)78-83
Number of pages6
JournalTien Tzu Hsueh Pao/Acta Electronica Sinica
Volume40
Issue number1
DOIs
StatePublished - Jan 2012
Externally publishedYes

Keywords

  • Audio
  • Blind source separation
  • Copyright protection
  • Database watermark

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