Time base modulation: A new approach to watermarking audio

被引：0

作者：

Foote, J ^{[1
]}

Adcock, J ^{[1
]}

Girgensohn, A ^{[1
]}

机构：

[1] FX Palo Alto Lab Inc, Palo Alto, CA 94304 USA

来源：

2003 INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOL I, PROCEEDINGS | 2003年

关键词：

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

A novel method is,presented for inaudibly hiding information in an audio signal by subtly applying time-scale modification to segments of the signal. The sequence, duration, and degree of the time-scale modifications are the parameters which encode information in the altered signal. By comparing the altered signal with a reference copy, compressed and expanded regions can be identified and the hidden data recovered. This approach is novel and has several advantages over other methods: it is theoretically noiseless, it introduces no spectral distortion, and it is robust to all known methods of reproduction, compression, and transmission.

引用

页码：221 / 224

页数：4

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