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
收藏
页码：221 / 224
页数：4
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