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Original Article

Psychometrically equivalent Russian speech audiometry materials by male and female talkers

Materiales de logoaudiometría en ruso psicométricamente equivalentes para hablantes masculinos y femeninos

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Pages 47-66 | Received 08 Aug 2006, Published online: 07 Jul 2009
 

Abstract

Despite the large number of individuals who speak Russian, only a limited number of high-quality speech audiometry materials are available in a standard dialect of Russian. Thus, the purpose of this study was to develop and evaluate speech audiometry materials that can be used to measure word recognition and SRT testing in quiet for native speakers of Russian. Familiar monosyllabic and bisyllabic words were digitally recorded by male and female talkers of Russian and subsequently evaluated by native listeners. Using logistic regression, psychometric functions were then calculated for all words. Selected monosyllabic words were digitally adjusted to create word recognition lists which are relatively homogeneous with respect to audibility and psychometric slope. Speech reception threshold materials were developed by selecting twenty-five bisyllabic words with relatively steep psychometric function slopes (12.1%/dB and 9.9 %/dB) and digitally equating their intensity to match the mean PTA of the native listeners. Digital recordings of the resulting psychometrically equivalent speech audiometry materials are available on compact disc.

Sumario

No obstante el gran número de hablantes del ruso, existe un número limitado de materiales de logoaudiometría de alta calidad en el dialecto ruso estándar. Por esto, el propósito de este estudio fue desarrollar y evaluar materiales de logoaudiometría que pueden usarse para el reconocimiento de palabras y la prueba SRT en silencio, en hablantes nativos de ruso. Hombres y mujeres con el ruso como lengua materna, grabaron digitalmente palabras mono y bisilábicas que fueron sucesivamente evaluadas por ruso parlantes. Usando regresión logística se calcularon las funciones psicométricas para todas las palabras. Se ajustó digitalmente una selección de palabras monosilábicas para crear listas de reconocimiento, que son relativamente homogéneas con respecto a la audibilidad y el perfil psicométrico. Los materiales de recepción de lenguaje se crearon por medio de la selección de 25 palabras bisilábicas con perfiles de funciones psicométricas relativamente abruptos (12.1%/dB and 9.9%/dB) y equalizando digitalmente su intensidad para parear el PTA medio de los oyentes nativos. Las grabaciones digitales de los materiales de logoaudiometría psicométricamente equivalentes que se obtuvieron están disponibles en disco compacto.

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