Effects of speech rate, background noise, and simulated hearing loss on speech rate judgment and speech intelligibility in young listeners

Journal of the American Academy of Audiology
Elizabeth M Adams, Robert E Moore

Abstract

To study the effect of noise on speech rate judgment and signal-to-noise ratio threshold (SNR50) at different speech rates (slow, preferred, and fast). Speech rate judgment and SNR50 tasks were completed in a normal-hearing condition and a simulated hearing-loss condition. Twenty-four female and six male young, normal-hearing participants. Speech rate judgment was not affected by background noise regardless of hearing condition. Results of the SNR50 task indicated that, as speech rate increased, performance decreased for both hearing conditions. There was a moderate correlation between speech rate judgment and SNR50 with the various speech rates, such that as judgment of speech rate increased from too slow to too fast, performance deteriorated. These findings can be used to support the need for counseling patients and their families about the potential advantages to using average speech rates or rates that are slightly slowed while conversing in the presence of background noise.

Citations

Dec 27, 2011·Journal of Speech, Language, and Hearing Research : JSLHR·Lu-Feng Shi, Nadia Farooq
Jun 18, 2017·The Journal of the Acoustical Society of America·Martin Cooke, Vincent Aubanel
Jan 28, 2021·International Journal of Occupational Safety and Ergonomics : JOSE·Clayton H RochaAlessandra G Samelli
May 20, 2021·Ear and Hearing·Javier Badajoz-Davila, Jörg M Buchholz

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