发明名称 |
Multi-feature speech/music discrimination system |
摘要 |
A speech/music discriminator employs data from multiple features of an audio signal as input to a classifier. Some of the feature data is determined from individual frames of the audio signal, and other input data is based upon variations of a feature over several frames, to distinguish the changes in voiced and unvoiced components of speech from the more constant characteristics of music. Several different types of classifiers for labeling test points on the basis of the feature data are disclosed. A preferred set of classifiers is based upon variations of a nearest-neighbor approach, including a K-d tree spatial partitioning technique.
|
申请公布号 |
US6570991(B1) |
申请公布日期 |
2003.05.27 |
申请号 |
US19960769056 |
申请日期 |
1996.12.18 |
申请人 |
INTERVAL RESEARCH CORPORATION |
发明人 |
SCHEIRER ERIC D.;SLANEY MALCOLM |
分类号 |
G10H1/00;G10L11/02;(IPC1-7):H03G3/20;H04R3/00 |
主分类号 |
G10H1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|