INFORMED ALGORITHMS FOR WATERMARK AND SYNCHRONIZATION SIGNAL EMBEDDING IN AUDIO SIGNAL

被引：0

作者：

Dymarski, Przemyslaw ^{[1
]}

Markiewicz, Robert ^{[1
]}

机构：

[1] Warsaw Univ Technol, Inst Telecommun, PL-00665 Warsaw, Poland

来源：

2012 PROCEEDINGS OF THE 20TH EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO) | 2012年

关键词：

Audio watermarking; informed embedding; ROBUST;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This work presents audio watermarking algorithms robust to D/A and A/D conversion, scaling and quantization noise. The watermark is embedded in log-spectrum domain using a differential scheme and a quaternary bi-orthogonal code. An informed embedding algorithm is proposed, minimizing bit error rate while keeping distortion level below the masking threshold. An informed coding scheme, based on Costa's approach, is also used. Synchronization is based on two pilot signals, and the informed synchronization scheme is proposed, in order to speed up a synchronization process.

引用

页码：2699 / 2703

页数：5

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