This paper describes a shortened and improved version of the Speech in Noise (SIN™) Test (Etymotic Research, 1993). In the first two of four experiments, the level of a female talker relative to that of four-talker babble was adjusted sentence by sentence to produce 50% correct scores for normal-hearing subjects. In the second two experiments, those sentences-in-babble that produced either lack of equivalence or high across-subject variability in scores were discarded. These experiments produced 12 equivalent lists, each containing six sentences, with one sentence at each adjusted signal-to-noise ratio of 25, 20, 15, 10, 5, and 0 dB. Six additional lists were also made equivalent when the scores of particular pairs were averaged. The final lists comprise the “QuickSIN” test that measures the SNR a listener requires to understand 50% of key words in sentences in a background of babble. The standard deviation of single-list scores is 1.4 dB SNR for hearing-impaired subjects, based on test-retest data. A single QuickSIN list takes approximately one minute to administer and provides an estimate of SNR loss accurate to at the 95% confidence level.
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October 2004
October 06 2004
Development of a quick speech-in-noise test for measuring signal-to-noise ratio loss in normal-hearing and hearing-impaired listeners
Mead C. Killion;
Mead C. Killion
Etymotic Research, Inc., 61 Martin Lane, Elk Grove Village, Illinois 60007
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Patricia A. Niquette;
Patricia A. Niquette
Etymotic Research, Inc., 61 Martin Lane, Elk Grove Village, Illinois 60007
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Gail I. Gudmundsen;
Gail I. Gudmundsen
Etymotic Research, Inc., 61 Martin Lane, Elk Grove Village, Illinois 60007
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Lawrence J. Revit;
Lawrence J. Revit
Revitronix, Brownsville, Vermont 05037
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Shilpi Banerjee
Shilpi Banerjee
Northwestern University, Evanston, Illinois 60208
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J. Acoust. Soc. Am. 116, 2395–2405 (2004)
Article history
Received:
September 30 2003
Accepted:
June 30 2004
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Citation
Mead C. Killion, Patricia A. Niquette, Gail I. Gudmundsen, Lawrence J. Revit, Shilpi Banerjee; Development of a quick speech-in-noise test for measuring signal-to-noise ratio loss in normal-hearing and hearing-impaired listeners. J. Acoust. Soc. Am. 1 October 2004; 116 (4): 2395–2405. https://doi.org/10.1121/1.1784440
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