INTERSPEECH 2004 - ICSLP
Harmonic structure can be easily recognized in the time-frequency representation of speech signals even in diverse environment. The harmonicity is a measure of the completeness of harmonic structure. This paper extends the use of conventional harmonicity measure to the tasks of pitch estimation and voice activity detection. A set of hierarchical harmonicities, including grid, temporal, spectral and segmental harmonicities, is derived for this purpose. A series of experiments are conducted to show the effectiveness of using harmonicities in speech processing.
Bibliographic reference. Yu, An-Tze / Wang, Hsiao-Chuan (2004): "New harmonicity measures for pitch estimation and voice activity detection", In INTERSPEECH-2004, 2429-2432.