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Orginal Article

A Swedish version of the Hearing In Noise Test (HINT) for measurement of speech recognition

Una versión sueca de la Prueba de Audición en Ruido (HINT) para evaluar el reconocimiento del lenguaje

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Pages 227-237 | Published online: 26 Aug 2009
 

Abstract

A Swedish Hearing In Noise Test (HINT), consisting of everyday sentences to be used in an adaptive procedure to estimate the speech recognition thresholds in noise and quiet, has been developed. The material consists of 250 sentences, with a length of five to nine syllables, normalized for naturalness, difficulty and reliability. The sentences were recorded with a female speaker. From the sentences, 25 phonemically balanced lists were created. All lists fluctuate less than 1 dB of the overall mean. The standard deviation of the test-retest difference is 0.94 dB when testing with one list, and decreases to 0.68 dB and 0.56 dB for two and three lists, respectively. The average speech recognition thresholds in noise for the Swedish sentences were −3.0 dB signal/noise ratio (SD = 1.1 dB). The present study has resulted in a well-defined and internationally comparable set of sentences, which can be used in Swedish audiological rehabilitation and research to measure speech recognition in noise and quiet.

Sumario

Se desarrolló una HINT (Prueba de Audición en Ruido) sueca, constituida por frases cotidianas para usarse en un procedimiento que estime los umbrales de reconocimiento del lenguaje en ruido y en silencio. El material consistió en 250 frases, con una longitud de 5–9 sílabas, normado para naturalidad, dificultad y confiabilidad. Las frases fueron grabadas por un hablante femenino. De estas frases, se crearon 25 listas balanceadas fonéticamente. Todas las listas fluctuaron menos de 1 dB de la media global. La desviación estándar de la diferencia test/retest fue de 0.94 dB cada vez que se evaluaba una lista, bajando a 0.68 dB y a 0.56 dB para dos o tres listas, respectivamente. El umbral promedio de reconocimiento del lenguaje en ruido para las frases suecas fue de – 3.0 dB de tasa señal/ruido (DS = 1.1 dB). El presente estudio ha producido un grupo de frases bien definido e internacionalmente comparable, que pueden ser utilizadas para la rehabilitación auditiva en sueco y en la investigación del reconocimiento del lenguaje en ruido y en silencio.

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