SanteMusiqueV1, Main, Exploration, bibRecord, 001C87

Compression and expansion of the temporal envelope: evaluation of speech intelligibility and sound quality.

Identifieur interne : 001C87 ( Main/Exploration ); précédent : 001C86; suivant : 001C88

Compression and expansion of the temporal envelope: evaluation of speech intelligibility and sound quality.

Auteurs : R A Van Buuren [Pays-Bas] ; J M Festen ; T. Houtgast

Source :

The Journal of the Acoustical Society of America [ 0001-4966 ] ; 1999.

RBID : pubmed:10335639

Descripteurs français

KwdFr :
- Acoustique de la voix (MeSH), Adulte (MeSH), Adulte d'âge moyen (MeSH), Aides auditives (MeSH), Facteurs temps (MeSH), Femelle (MeSH), Humains (MeSH), Musique (MeSH), Mâle (MeSH), Perception de la parole (physiologie), Seuil auditif (MeSH), Sujet âgé (MeSH), Surdité neurosensorielle (rééducation et réadaptation).
MESH :
- physiologie : Perception de la parole.
- rééducation et réadaptation : Surdité neurosensorielle.
- Acoustique de la voix, Adulte, Adulte d'âge moyen, Aides auditives, Facteurs temps, Femelle, Humains, Musique, Mâle, Seuil auditif, Sujet âgé.

English descriptors

KwdEn :
- Adult (MeSH), Aged (MeSH), Auditory Threshold (MeSH), Female (MeSH), Hearing Aids (MeSH), Hearing Loss, Sensorineural (rehabilitation), Humans (MeSH), Male (MeSH), Middle Aged (MeSH), Music (MeSH), Speech Acoustics (MeSH), Speech Perception (physiology), Time Factors (MeSH).
MESH :
- physiology : Speech Perception.
- rehabilitation : Hearing Loss, Sensorineural.
- Adult, Aged, Auditory Threshold, Female, Hearing Aids, Humans, Male, Middle Aged, Music, Speech Acoustics, Time Factors.

Abstract

Sensorineural hearing loss is accompanied by loudness recruitment, a steeper-than-normal rise of perceived loudness with presentation level. To compensate for this abnormality, amplitude compression is often applied (e.g., in a hearing aid). Alternatively, since speech intelligibility has been modeled as the perception of fast energy fluctuations, enlarging these (by means of expansion) may improve speech intelligibility. Still, even if these signal-processing techniques prove useful in terms of speech intelligibility, practical application might be hindered by unacceptably low sound quality. Therefore, both speech intelligibility and sound quality were evaluated for syllabic compression and expansion of the temporal envelope. Speech intelligibility was evaluated with an adaptive procedure, based on short everyday sentences either in noise or with a competing speaker. Sound quality was measured by means of a rating-scale procedure, for both speech and music. In a systematic setup, both the ratio of compression or expansion and the number of independent processing bands were varied. Individual hearing thresholds were compensated for by a listener-specific filter and amplification. Both listeners with normal hearing and listeners with sensorineural hearing impairment participated as paid volunteers. The results show that, on average, both compression and expansion fail to show better speech intelligibility or sound quality than linear amplification.

DOI: 10.1121/1.426943
PubMed: 10335639

Affiliations:

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Le document en format XML

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<term>Hearing Aids (MeSH)</term>
<term>Hearing Loss, Sensorineural (rehabilitation)</term>
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<term>Adulte d'âge moyen (MeSH)</term>
<term>Aides auditives (MeSH)</term>
<term>Facteurs temps (MeSH)</term>
<term>Femelle (MeSH)</term>
<term>Humains (MeSH)</term>
<term>Musique (MeSH)</term>
<term>Mâle (MeSH)</term>
<term>Perception de la parole (physiologie)</term>
<term>Seuil auditif (MeSH)</term>
<term>Sujet âgé (MeSH)</term>
<term>Surdité neurosensorielle (rééducation et réadaptation)</term>
</keywords>
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<term>Facteurs temps</term>
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<front><div type="abstract" xml:lang="en">Sensorineural hearing loss is accompanied by loudness recruitment, a steeper-than-normal rise of perceived loudness with presentation level. To compensate for this abnormality, amplitude compression is often applied (e.g., in a hearing aid). Alternatively, since speech intelligibility has been modeled as the perception of fast energy fluctuations, enlarging these (by means of expansion) may improve speech intelligibility. Still, even if these signal-processing techniques prove useful in terms of speech intelligibility, practical application might be hindered by unacceptably low sound quality. Therefore, both speech intelligibility and sound quality were evaluated for syllabic compression and expansion of the temporal envelope. Speech intelligibility was evaluated with an adaptive procedure, based on short everyday sentences either in noise or with a competing speaker. Sound quality was measured by means of a rating-scale procedure, for both speech and music. In a systematic setup, both the ratio of compression or expansion and the number of independent processing bands were varied. Individual hearing thresholds were compensated for by a listener-specific filter and amplification. Both listeners with normal hearing and listeners with sensorineural hearing impairment participated as paid volunteers. The results show that, on average, both compression and expansion fail to show better speech intelligibility or sound quality than linear amplification.</div>
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Compression and expansion of the temporal envelope: evaluation of speech intelligibility and sound quality.

Compression and expansion of the temporal envelope: evaluation of speech intelligibility and sound quality.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki