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Intelligibilité de la parole bruitée, soumise à une analyse-synthèse par prédiction linéaire

  • Philippe Garcin and Jean-François Sérignat
Published/Copyright: November 19, 2009

Abstract

Linear prediction analysis-synthesis techniques are commonly implemented in low-bit rate (2,400–9,600 bauds) speech transmission systems. We know that these systems do not work properly if speech is noisy. With the aid of a diagnostic rhyme test in French, we could evaluate the degradation of the intelligibility of synthesized speech. This test was applied to original speech and to linear-prediction synthesized speech, for different signal-to-noise ratios (white noise). The results obtained show clearly that intelligibility is degraded by the linear prediction analysis-svnthesis in a high ambient noise environment.


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Received: 1981-01-30
Accepted: 1981-01-01
Published Online: 2009-11-19
Published in Print: 1982-03-01

© 1982 S. Karger AG, Basel

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