The influence of acoustics on speech production: A noise-induced stress phenomenon known as the Lombard reflex
Identifieur interne : 00C753 ( Main/Merge ); précédent : 00C752; suivant : 00C754The influence of acoustics on speech production: A noise-induced stress phenomenon known as the Lombard reflex
Auteurs : Jean-Claude Junqua [États-Unis, Colombie]Source :
- Speech Communication [ 0167-6393 ] ; 1996.
English descriptors
- Teeft :
- Acoust, Acoustic, Acoustic changes, Acoustic correlates, Acoustic features, Adverse conditions, Ambient noise, Amer, American english, Articulatory movements, Auditory, Auditory feedback, Automatic speech recognition, Automatic speech recognizers, Babble, Babble noise, Better understanding, Cepstral coefficients, Compensation methods, Continuous speech, Database, Different conditions, Different levels, Different types, Echoey environments, Experimental results, Female speakers, Frequency bands, Frequency distribution, Georgia institute, Hearing research, Human factors, Important characteristics, Intelligibility, Intelligibility scores, Interesting question, Junqua, Lombard, Lombard effect, Lombard reflex, Lombard speech, Male speakers, Nato workshop, Natural auditory feedback, Natural surroundings, Noisy environment, Noisy environments, Noisy speech, Normal speech, Normal speech production, Oxygen mask, Perceptual studies, Phonetic features, Pink noise, Reflex, Relational, Relational features, Relational invariance, Several databases, Several parameters, Several studies, Significant differences, Spanish speech, Speaker gender, Speech communication, Speech intelligibility, Speech perception, Speech production, Speech recognition, Speech signal process, Speech transformation, Speech variability, Speech vowels, Study speech, Technical report, Universidad politecnica, Variability, Vocal effort, Vocal level, Voice level, Vowel duration.
Abstract
Abstract: Recently, a number of researchers reported quantitative results about the acoustic changes between normal and Lombard speech. These results highlighted that the nature of the Lombard reflex is highly speaker-dependent. In this paper, after briefly discussing the influence of acoustics on speech production, we summarize some important characteristics of the Lombard reflex. Then, we review some experimental results showing how the Lombard reflex varies with the speaker gender, the language, and the environment (type of noise). Finally, we briefly discuss the use of relational features as a way to reduce the influence of the Lombard reflex on automatic speech recognizers.
Zusammenfassung: Vor kurzem wurden einige quantitative Resultate über die akustischen Veränderungen zwischen der lombardischen und der normalen Sprache veröffentlicht. Als Ergebnis dieser Studien wurde offensichtlich, daβ der Lombard-Reflex stark vom Sprechenden abhängig ist. In diesem Papier diskutieren wir erst kurz den Einfluβ der akustischen Umgebung auf die Sprache und geben einen Überblick der wichtigsten Eigenschaften des Lombard-Reflexes. Anschlieβend präsentieren wir experimentelle Werte, die zeigen wie der Lombard-Reflex mit dem Geschlecht, der Sprache des Sprechenden und der Umgebung (d.h. die Geräuschkulisse) variiert. Schluβendlich diskutieren wir, wie die Verwendung von relationalen Merkmalen den Einfluβ des Lombard-Effektes auf automatische Spracherkennungssysteme reduzieren kann.
Résumé: Récemment, des résultats quantitatifs ont été publiés sur les changements acoustiques observés dans la parole Lombard par rapport à la parole normale. Ces résultats montrent que le réflexe Lombard est très dépendant du locuteur. Dans cet article, nous examinons brièvement l'influence de l'environment acoustique sur la production de la parole et résumons les principales caractéristiques de l'effet Lombard. Nous présentons ensuite des résultats expérimentaux montrant comment le réflexe Lombard varie avec le sexe du locuteur, le langage et l'environnement (e.g. type de bruit). Enfin, nous discutons comment l'utilisation d'indices relationnels peut permettre de réduire l'influence du réflexe Lombard sur les systèmes automatiques de reconnaissance de parole.
Url:
DOI: 10.1016/S0167-6393(96)00041-6
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ISTEX:202C15DE0868E7E5838E8245934064BD24BC360DLe document en format XML
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<front><div type="abstract" xml:lang="en">Abstract: Recently, a number of researchers reported quantitative results about the acoustic changes between normal and Lombard speech. These results highlighted that the nature of the Lombard reflex is highly speaker-dependent. In this paper, after briefly discussing the influence of acoustics on speech production, we summarize some important characteristics of the Lombard reflex. Then, we review some experimental results showing how the Lombard reflex varies with the speaker gender, the language, and the environment (type of noise). Finally, we briefly discuss the use of relational features as a way to reduce the influence of the Lombard reflex on automatic speech recognizers.</div>
<div type="abstract" xml:lang="de">Zusammenfassung: Vor kurzem wurden einige quantitative Resultate über die akustischen Veränderungen zwischen der lombardischen und der normalen Sprache veröffentlicht. Als Ergebnis dieser Studien wurde offensichtlich, daβ der Lombard-Reflex stark vom Sprechenden abhängig ist. In diesem Papier diskutieren wir erst kurz den Einfluβ der akustischen Umgebung auf die Sprache und geben einen Überblick der wichtigsten Eigenschaften des Lombard-Reflexes. Anschlieβend präsentieren wir experimentelle Werte, die zeigen wie der Lombard-Reflex mit dem Geschlecht, der Sprache des Sprechenden und der Umgebung (d.h. die Geräuschkulisse) variiert. Schluβendlich diskutieren wir, wie die Verwendung von relationalen Merkmalen den Einfluβ des Lombard-Effektes auf automatische Spracherkennungssysteme reduzieren kann.</div>
<div type="abstract" xml:lang="fr">Résumé: Récemment, des résultats quantitatifs ont été publiés sur les changements acoustiques observés dans la parole Lombard par rapport à la parole normale. Ces résultats montrent que le réflexe Lombard est très dépendant du locuteur. Dans cet article, nous examinons brièvement l'influence de l'environment acoustique sur la production de la parole et résumons les principales caractéristiques de l'effet Lombard. Nous présentons ensuite des résultats expérimentaux montrant comment le réflexe Lombard varie avec le sexe du locuteur, le langage et l'environnement (e.g. type de bruit). Enfin, nous discutons comment l'utilisation d'indices relationnels peut permettre de réduire l'influence du réflexe Lombard sur les systèmes automatiques de reconnaissance de parole.</div>
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