Pitch detection using the short-term phase spectrum
- 23 March 2005
- conference paper
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE) in ICASSP '82. IEEE International Conference on Acoustics, Speech, and Signal Processing
- Vol. 11, 113-116
- https://doi.org/10.1109/icassp.1986.1169123
Abstract
A new frequency domain method for determining the fundamental frequency of speech is presented in this paper. This method uses the information contained in the short-term phase spectral whereas the previous methods were limited to the amplitude spectrum. The short-term spectrum is computed by DFT and it is interpreted as the output of a bank of band-pass overlapping filters. Harmonic components are detected by searching for sets of three contiguous filters having the same instantaneous frequency. The frequency of a detected harmonic is given by the instantaneous frequency itself. A conventional harmonic numbering algorithm is used to convert the set of detected harmonics to a value of the fundamental frequency. Preliminary results show the validity of the method.Keywords
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