公开(公告)号：WO2009000073A1

公开(公告)日：2008-12-31

申请号：PCT/CA2008/001184

申请日：2008-06-20

Applicant: VOICEAGE CORPORATION ,  MALENOWSKY, Vladimir ,  JELINEK, Milan ,  VAILLANCOURT, Tommy ,  SALAMI, Redwan

Inventor： MALENOWSKY, Vladimir ,  JELINEK, Milan ,  VAILLANCOURT, Tommy ,  SALAMI, Redwan

IPC: G10L11/00 ,  G10L19/02 ,  G10L21/02

CPC classification number: G10L25/78 ,  G10L19/22

Abstract: A device and method for estimating a tonality of a sound signal comprise: calculating a current residual spectrum of the sound signal; detecting peaks in the current residual spectrum; calculating a correlation map between the current residual spectrum and a previous residual spectrum for each detected peak; and calculating a long-term correlation map based on the calculated correlation map, the long-term correlation map being indicative of a tonality in the sound signal.

Abstract translation: 用于估计声音信号的音调的装置和方法包括：计算声音信号的当前残余频谱; 检测当前残留谱中的峰; 计算每个检测到的峰值的当前残差谱和先前残差谱之间的相关图; 以及基于所计算的相关图计算长期相关图，所述长期相关图表示所述声音信号中的音调。