发明名称 AUDIO SIGNAL CLASSIFICATION METHOD AND DEVICE
摘要 An audio signal classification method is provided, where the method includes: determining, according to voice activity of a current audio frame, whether to obtain a frequency spectrum fluctuation of the current audio frame and store the frequency spectrum fluctuation in a frequency spectrum fluctuation memory (101); updating, according to whether the audio frame is percussive music or activity of a historical audio frame, frequency spectrum fluctuations stored in the frequency spectrum fluctuation memory (102); and classifying the current audio frame as a speech frame or a music frame according to statistics of a part or all of effective data of the frequency spectrum fluctuations stored in the frequency spectrum fluctuation memory (103). An audio signal classification apparatus is further provided.
申请公布号 EP3029673(A4) 申请公布日期 2016.06.08
申请号 EP20130891232 申请日期 2013.09.26
申请人 HUAWEI TECHNOLOGIES CO., LTD. 发明人 WANG, ZHE
分类号 G10L25/81;G10L25/18;G10L25/78 主分类号 G10L25/81
代理机构 代理人
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