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The Words-in-Noise (WIN) Test with Multitalker Babble and Speech-Spectrum Noise Maskers

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The Words-in-Noise (WIN) test uses monosyllabic words in seven signal-to-noise ratios of multitalker babble (MTB) to evaluate the ability of individuals to understand speech in background noise. The purpose of this study was to evaluate the criterion validity of the WIN by comparing recognition performances under MTB and speech-spectrum noise (SSN) using listeners with normal hearing and listeners with hearing loss. The MTB and SSN had identical rms and similar spectra but different amplitude-modulation characteristics. The performances by the listeners with normal hearing, which were 2 dB better in MTB than in SSN, were about 10 dB better than the performances by the listeners with hearing loss, which were about 0.5 dB better in MTB with 56% of the listeners better in MTB and 40% better in SSN. The slopes of the functions for the normal-hearing listeners (8–9%/dB) were steeper than the functions for the listeners with hearing loss (5–6%/dB). The data indicate that the WIN has good criterion validity.

Spanish
La prueba de Palabras en Ruido (WIN) utiliza palabras monosilábicas en siete tasas de señal/ruido de balbuceo de hablantes múltiples (MTB) para evaluar la capacidad de los individuos de entender lenguaje el medio de ruido de fondo. El propósito del estudio fue evaluar el criterio de validez del WIN comparando el desempeño en reconocimiento del lenguaje bajo ruido MTB y con ruido en el espectro del lenguaje (SSN), utilizando sujetos con audición normal y sujetos con hipoacusia. El MTB y el SSN tienen rms idénticos, y espectros similares, pero diferentes características de modulación de la amplitud. El desempeño de los normo-oyentes, que fue 2 dB mejor en MTB que en SSN, fue 10 dB mejor que el desempeño de los sujetos hipoacúsicos, resultando alrededor de 0.5 dB mejor para MTB, con 56% de los sujetos respondiendo mejor en MTB y 40% mejor en SSN. Las pendientes de la funciones para los sujetos normo-oyentes (8–9 %/dB) fueron más empinadas que las funciones de los sujetos hipoacúsicos (5–6 %/dB). Los datos indican que el WIN tiene un buen criterio de validez.
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Keywords: AUDITORY PERCEPTION; HEARING LOSS; MULTITALKER BABBLE; SPEECH PERCEPTION; SPEECH-SPECTRUM NOISE; WORD RECOGNITION IN MULTITALKER BABBLE

Document Type: Research Article

Publication date: June 1, 2007

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