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Evaluation of the signal-to-noise ra...

Ye, Yi.

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Evaluation of the signal-to-noise ratio required to achieve the same performance in English and Mandarin Chinese.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Evaluation of the signal-to-noise ratio required to achieve the same performance in English and Mandarin Chinese./
作者:	Ye, Yi.
面頁冊數:	112 p.
附註:	Source: Dissertation Abstracts International, Volume: 76-05(E), Section: B.
Contained By:	Dissertation Abstracts International76-05B(E).
標題:	Audiology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3648133
ISBN:	9781321430165

Evaluation of the signal-to-noise ratio required to achieve the same performance in English and Mandarin Chinese.
Ye, Yi.

Evaluation of the signal-to-noise ratio required to achieve the same performance in English and Mandarin Chinese. - 112 p.

Source: Dissertation Abstracts International, Volume: 76-05(E), Section: B.

Thesis (Ph.D.)--University of Pittsburgh, 2015.

Difficulty communicating in noise is a common complaint for people with hearing loss. When communicating in noise, speakers increase the intensity level of their voice and alter the stress patterns of their speech not only to monitor their own voice but also to be heard by others. Speech that increases in intensity for the purpose of self-monitoring and being understood in noise is called Lombard speech. Few studies have assessed communication performance with Lombard speech in noise which closely reflects the real-life communication situation. In addition, the characteristics of Lombard speech may be different(among) languages with different characteristics and identifying features so the few results available for English listeners may not apply to listeners of other languages.

ISBN: 9781321430165Subjects--Topical Terms:

537237
Audiology.

Evaluation of the signal-to-noise ratio required to achieve the same performance in English and Mandarin Chinese.
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245 1 0 $a Evaluation of the signal-to-noise ratio required to achieve the same performance in English and Mandarin Chinese.
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500 $a Source: Dissertation Abstracts International, Volume: 76-05(E), Section: B.
500 $a Adviser: Catherine Palmer.
502 $a Thesis (Ph.D.)--University of Pittsburgh, 2015.
520 $a Difficulty communicating in noise is a common complaint for people with hearing loss. When communicating in noise, speakers increase the intensity level of their voice and alter the stress patterns of their speech not only to monitor their own voice but also to be heard by others. Speech that increases in intensity for the purpose of self-monitoring and being understood in noise is called Lombard speech. Few studies have assessed communication performance with Lombard speech in noise which closely reflects the real-life communication situation. In addition, the characteristics of Lombard speech may be different(among) languages with different characteristics and identifying features so the few results available for English listeners may not apply to listeners of other languages.
520 $a This study evaluated the performance of English speaking and Mandarin Chinese speaking individuals listening to English and Mandarin Chinese speech in corresponding babble noise. Speech materials were the IEEE sentences in English and translated into Mandarin Chinese while controlling for phonological, grammatical, and contextual predictability. The sentences and 4-talker babble were recorded in a conversational manner and at a Lombard speech level produced while listening to 80 dB SPL of noise. The performance of 18 native English speakers and 18 native Mandarin Chinese speakers was evaluated. The SNR-50, the signal-to-noise level required to produce 50% performance, was the same for conversational and Lombard English indicating that there is not a particular benefit in producing Lombard speech to be understood. The reason to produce Lombard speech in English is to improve the signal-to-noise ratio in order to facilitate improved communication. The results for the Mandarin Chinese listeners revealed a benefit when producing Lombard speech with the SNR-50 for Mandarin Chinese significantly different between conversational and Lombard speech. In noisy situations where increasing vocal intensity is expected, , Mandarin Chinese listeners appear to benefit from features preserved or enhanced through Lombard speech that English listeners do not access.
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