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Children's Perception of Speech Produced in a Two-Talker Background

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Title: Children's Perception of Speech Produced in a Two-Talker Background
Language: English
Authors: Baker, Mallory, Buss, Emily, Jacks, Adam
Source: Journal of Speech, Language, and Hearing Research. Feb 2014 57(1):327-337.
Availability: American Speech-Language-Hearing Association (ASHA). 10801 Rockville Pike, Rockville, MD 20852. Tel: 800-638-8255; Fax: 301-571-0457; e-mail: subscribe@asha.org; Web site: http://jslhr.asha.org
Peer Reviewed: Y
Page Count: 11
Publication Date: 2014
Document Type: Journal Articles
Reports - Research
Descriptors: Children, Speech, Acoustics, Auditory Perception, Adults, Comparative Analysis, Age Differences, Word Recognition
DOI: 10.1044/1092-4388(2013/12-0287)
ISSN: 1092-4388
Abstract: Purpose: This study evaluated the degree to which children benefit from the acoustic modifications made by talkers when they produce speech in noise. Method: A repeated measures design compared the speech perception performance of children (5-11 years) and adults in a 2-talker masker. Target speech was produced in a 2-talker background or in quiet. In Experiment 1, recognition with the 2 target sets was assessed using an adaptive spondee identification procedure. In Experiment 2, the benefit of speech produced in a 2-talker background was assessed using an open-set, monosyllabic word recognition task at a fixed signal-to-noise ratio (SNR). Results: Children performed more poorly than adults, regardless of whether the target speech was produced in quiet or in a 2-talker background. A small improvement in the SNR required to identify spondees was observed for both children and adults using speech produced in a 2-talker background (Experiment 1). Similarly, average open-set word recognition scores were 11 percentage points higher for both age groups using speech produced in a 2-talker background compared with quiet (Experiment 2). Conclusion: The results indicate that children can use the acoustic modifications of speech produced in a 2-talker background to improve masked speech perception, as previously demonstrated for adults.
Abstractor: As Provided
Entry Date: 2014
Accession Number: EJ1029472
Database: ERIC
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  Data: Children's Perception of Speech Produced in a Two-Talker Background
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  Data: <searchLink fieldCode="SO" term="%22Journal+of+Speech%2C+Language%2C+and+Hearing+Research%22"><i>Journal of Speech, Language, and Hearing Research</i></searchLink>. Feb 2014 57(1):327-337.
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  Data: American Speech-Language-Hearing Association (ASHA). 10801 Rockville Pike, Rockville, MD 20852. Tel: 800-638-8255; Fax: 301-571-0457; e-mail: subscribe@asha.org; Web site: http://jslhr.asha.org
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  Data: 10.1044/1092-4388(2013/12-0287)
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  Data: 1092-4388
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  Data: Purpose: This study evaluated the degree to which children benefit from the acoustic modifications made by talkers when they produce speech in noise. Method: A repeated measures design compared the speech perception performance of children (5-11 years) and adults in a 2-talker masker. Target speech was produced in a 2-talker background or in quiet. In Experiment 1, recognition with the 2 target sets was assessed using an adaptive spondee identification procedure. In Experiment 2, the benefit of speech produced in a 2-talker background was assessed using an open-set, monosyllabic word recognition task at a fixed signal-to-noise ratio (SNR). Results: Children performed more poorly than adults, regardless of whether the target speech was produced in quiet or in a 2-talker background. A small improvement in the SNR required to identify spondees was observed for both children and adults using speech produced in a 2-talker background (Experiment 1). Similarly, average open-set word recognition scores were 11 percentage points higher for both age groups using speech produced in a 2-talker background compared with quiet (Experiment 2). Conclusion: The results indicate that children can use the acoustic modifications of speech produced in a 2-talker background to improve masked speech perception, as previously demonstrated for adults.
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      – SubjectFull: Age Differences
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