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Communication Dans Un Congrès Année : 2010

Shape-invariant speech transformation with the phase vocoder

Axel Roebel

Résumé

This paper proposes a new phase vocoder based method for shape invariant real-time modification of speech signals. The performance of the method with respect voiced and unvoiced signal components as well as the control of the voiced/unvoiced balance of the transformed speech signals will be discussed. The algorithm has been compared in perceptual tests with implementations of PSOLA, and HNM algorithms demonstrating a very satisfying performance. Due to the fact that the quality of transformed signals is remaining acceptable over a wide range of transformation parameters the algorithm is especially suited for real-time gender and age transformations.
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Dates et versions

hal-01161278 , version 1 (08-06-2015)

Identifiants

  • HAL Id : hal-01161278 , version 1

Citer

Axel Roebel. Shape-invariant speech transformation with the phase vocoder. InterSpeech, Sep 2010, Makuhari, Japan. pp.2146-2149. ⟨hal-01161278⟩
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