发明名称 Method and device for characterizing a signal and method and device for producing an indexed signal
摘要 In a method for characterizing a signal, which represents an audio content, a measure for a tonality of the signal is determined, whereupon a statement is made about the audio content of the signal based on the measure for the tonality of the signal. The measure for the tonality of the signal for the content analysis is robust against a signal distortion, such as by MP3 encoding, and has a high correlation to the content of the examined signal.
申请公布号 US7081581(B2) 申请公布日期 2006.07.25
申请号 US20030469468 申请日期 2003.12.01
申请人 M2ANY GMBH 发明人 ALLAMANCHE ERIC;HERRE JUERGEN;HELLMUTH OLIVER;FROEBA BERNHARD
分类号 G06F17/30;G10H7/00;G10H1/00;G10L19/02 主分类号 G06F17/30
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