HNS: Speech modification based on a harmonic+noise model
- 1 January 1993
- conference paper
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 2, 550-553
- https://doi.org/10.1109/icassp.1993.319365
Abstract
In this contribution, we present HNS, a new analysis/modification/ synthesis model based on a harmonic + noise representation of the speech signal. Significant improvements over previous work on the subject are proposed at both the analysis and the synthesis stages: 1) A model of harmonically related sinusoids with linearly varying complex amplitudes for the representation of the deterministic part of the signal. 2) A joint time-domain and frequency-domain representation of the stochastic part of the signal. 3) A pitch-synchronous PSOLA-like synthesis scheme. Informal listening-tests demonstrate the effectiveness of this approach for time-scale modifications.Keywords
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