A HIGH CAPACITY BLIND WATERMARKING FOR TWO-CHANNEL AUDIO SIGNALS BASED ON CDMA-ICA

被引：0

作者：

Khalil, Mohammed ^{[1
]}

El Bahi, Adil ^{[1
]}

Adib, Abdellah ^{[1
]}

机构：

[1] LIM II FSTM, Mohammadia 20650, Morocco

来源：

2013 PROCEEDINGS OF THE 21ST EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO) | 2013年

关键词：

Audio watermarking; High capacity; two-channel audio signals; CDMA; ICA;

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：

In this paper, we investigate how data embedding capacity and extraction fidelity can be enhanced keeping imperceptibility of the host audio unaltered. To meet this end, we propose a new blind watermarking system for two-channel audio signals which is based on Code Division Multiple Access (CDMA) and Independent Components Analysis (ICA) techniques. At the emitter, CDMA is used to increase the watermark bit rate by inserting multiple parallel data. At the receiver, ICA algorithm is applied to recover the embedded information. In order to demonstrate the effectiveness of the proposed scheme, simulations under various conditions are conducted. The new system provides an embedding rate up to 6 0 Kbits/s, while ensuring a compromise between inaudibility and extraction reliability.

引用

页数：5

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