Rhythm detection for speech-music discrimination in MPEG compressed domain

被引：3
|
作者：
Jarina, R [1 ]
O'Connor, N [1 ]
Marlow, S [1 ]
Murphy, N [1 ]
机构：
[1] Dublin City Univ, Ctr Digital Video Proc, Dublin 9, Ireland
来源：
DSP 2002: 14TH INTERNATIONAL CONFERENCE ON DIGITAL SIGNAL PROCESSING PROCEEDINGS, VOLS 1 AND 2 | 2002年
关键词：
D O I：
10.1109/ICDSP.2002.1027851
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
A novel approach to speech-music discrimination based on rhythm (or beat) detection is introduced. Rhythmic pulses are detected by applying a long-term autocorrelation method on band-passed signals. This approach is combined with another, in which the features describe the energy peaks of the signal. The discriminator uses just three features that are computed from data directly taken from an MPEG-I bitstream. The discriminator was tested on more than 3 hours of audio data. Average recognition rate is 97.7%.
引用
收藏
页码：129 / 132
页数：4
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