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The Dynamic Range for Korean Standard Sentence Material: A Gender Comparison in a Male and a Female Speakers
Journal of Audiology & Otology ; : 97-100, 2015.
Artigo em Inglês | WPRIM | ID: wpr-51190
ABSTRACT
BACKGROUND AND

OBJECTIVES:

The purpose of this study was to identify differences between the dynamic ranges (DRs) of male and female speakers using Korean standard sentence material. Consideration was especially given to effects within the predefined segmentalized frequency-bands. MATERIALS AND

METHODS:

We used Korean standard sentence lists for adults as stimuli. Each sentence was normalized to a root-mean-square of 65 dB sound pressure level. The sentences were then modified to ensure there were no pauses, and the modified sentences were passed through a filter bank in order to perform the frequency analysis. Finally, the DR was quantified using a histogram that showed the cumulative envelope distribution levels of the speech in each frequency band.

RESULTS:

In DRs that were averaged across all frequency bands, there were no significant differences between the male and the female speakers. However, when considering effects within the predefined frequency bands, there were significant differences in several frequency bands between the DRs of male speech and those of female speech.

CONCLUSIONS:

This study shows that the DR of speech for the male speaker differed from the female speaker in nine frequency bands among 21 frequency bands. These observed differences suggest that a standardized DR of male speech in the band-audibility function of the speech intelligibility index may differ from that of female speech derived in the same way. Further studies are required to derive standardized DRs for Korean speakers.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Inteligibilidade da Fala Limite: Adulto / Feminino / Humanos / Masculino Idioma: Inglês Revista: Journal of Audiology & Otology Ano de publicação: 2015 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Inteligibilidade da Fala Limite: Adulto / Feminino / Humanos / Masculino Idioma: Inglês Revista: Journal of Audiology & Otology Ano de publicação: 2015 Tipo de documento: Artigo