Abstract
This paper presents an improved method for the estimation of a continuous frequency-envelope when the value of this envelope is specified only at discrete frequencies. It is based on the Galas/Rodet approach which consists of fitting a cepstral amplitude envelope to the specified frequency points by minimizing a frequency-domain least-squares criterion. This paper introduces a regularization technique which increases the robustness of the estimation procedure. Used in combination with a warped frequency-scale, the proposed method is shown to provide an efficient model for the frequency envelope of speech signals.
| Original language | English |
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| Pages | 4 |
| Number of pages | 4 |
| Publication status | Published - 1 Dec 1995 |
| Event | Proceedings of the 1995 IEEE ASSP Workshop on Applications of Signal Processing to Audio and Acoustics - New Paltz, NY, USA Duration: 15 Oct 1995 → 18 Oct 1995 |
Conference
| Conference | Proceedings of the 1995 IEEE ASSP Workshop on Applications of Signal Processing to Audio and Acoustics |
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| City | New Paltz, NY, USA |
| Period | 15/10/95 → 18/10/95 |
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