InforLorV4, Hal, Corpus, bibRecord, 001C13

Detecting relevant acoustic events for piloting improvement of intelligibility

Identifieur interne : 001C13 ( Hal/Corpus ); précédent : 001C12; suivant : 001C14

Detecting relevant acoustic events for piloting improvement of intelligibility

Auteurs : Vincent Colotte ; Yves Laprie

Source :

RBID : Hal:inria-00099033

Abstract

This paper presents a speech signal transformation which slows down speech signals selectively and enhances some important acoustic cues. This transformation can be used for hearing aids and also for second language acquisition by facilitating oral comprehension.Selective slowing down relies on the use the TD-PSOLA synthesis method. The strategy used to control slowing down exploits a spectral variation function which locates rapid spectral changes. The enhancement simply consists of amplifying stop bursts and unvoiced fricatives. These acoustic cues are detected automatically through the examination of energy criteria. This approach was evaluated in the context of second language acquisition, more precisely by evaluating improvements in oral comprehension through the transformation, the detection and a perceptive experiment. The detection of relevant events gives good results and experiments show that the oral comprehension is improved.

Url:

https://hal.inria.fr/inria-00099033

Links to Exploration step

Hal:inria-00099033

Le document en format XML

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<front><div type="abstract" xml:lang="en">This paper presents a speech signal transformation which slows down speech signals selectively and enhances some important acoustic cues. This transformation can be used for hearing aids and also for second language acquisition by facilitating oral comprehension.Selective slowing down relies on the use the TD-PSOLA synthesis method. The strategy used to control slowing down exploits a spectral variation function which locates rapid spectral changes. The enhancement simply consists of amplifying stop bursts and unvoiced fricatives. These acoustic cues are detected automatically through the examination of energy criteria. This approach was evaluated in the context of second language acquisition, more precisely by evaluating improvements in oral comprehension through the transformation, the detection and a perceptive experiment. The detection of relevant events gives good results and experiments show that the oral comprehension is improved.</div>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Detecting relevant acoustic events for piloting improvement of intelligibility</title>
<author role="aut"><persName><forename type="first">Vincent</forename>
<surname>Colotte</surname>
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<email>Vincent.Colotte@loria.fr</email>
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<orgName ref="#struct-364475"></orgName>
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<author role="aut"><persName><forename type="first">Yves</forename>
<surname>Laprie</surname>
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<idno type="idHal">yves-laprie</idno>
<idno type="halAuthorId">129874</idno>
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<monogr><idno type="localRef">A00-R-143 || colotte00d</idno>
<meeting><title>European Signal Processing Conference</title>
<date type="start">2000</date>
<settlement>Tampere, Finlande</settlement>
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<imprint><biblScope unit="pp">4 p</biblScope>
<date type="datePub">2000</date>
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<textClass><keywords scheme="author"><term xml:lang="nl">parole</term>
<term xml:lang="nl">enhancement</term>
<term xml:lang="nl">speech</term>
<term xml:lang="nl">intelligibility</term>
<term xml:lang="nl">slowing down</term>
<term xml:lang="nl">intelligibilité</term>
<term xml:lang="nl">ralentissement</term>
<term xml:lang="nl">renforcement</term>
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<abstract xml:lang="en">This paper presents a speech signal transformation which slows down speech signals selectively and enhances some important acoustic cues. This transformation can be used for hearing aids and also for second language acquisition by facilitating oral comprehension.Selective slowing down relies on the use the TD-PSOLA synthesis method. The strategy used to control slowing down exploits a spectral variation function which locates rapid spectral changes. The enhancement simply consists of amplifying stop bursts and unvoiced fricatives. These acoustic cues are detected automatically through the examination of energy criteria. This approach was evaluated in the context of second language acquisition, more precisely by evaluating improvements in oral comprehension through the transformation, the detection and a perceptive experiment. The detection of relevant events gives good results and experiments show that the oral comprehension is improved.</abstract>
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Detecting relevant acoustic events for piloting improvement of intelligibility

Detecting relevant acoustic events for piloting improvement of intelligibility

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