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- W2131482212 abstract "Just noticeable combined modulations in amplitude and frequency were determined for an observer (DP) with a bowl-shaped sensorineural hearing loss of about 40 dB between 1 and 2 kHz. In all stimulus conditions, interactions were found between the detection of amplitude modulations and frequency modulations. These interactions appear to correlate quantitatively with the effect of frequency on loudness (as given by the slope of the equal-loudness contour). When this effect of frequency on loudness is taken into account, the data support the hypothesis of independent detection of pitch and loudness modulations. The experimental data are also discussed in relation to the single-mechanism hypothesis for the detection of changes in amplitude and frequency (Zwicker, Maiwald). This model could not provide a satisfactory explanation of interactions between amplitude and frequency.Les modulations juste audibles d'un son modulé simultanément en amplitude et en fréquence ont été déterminées chez un observateur souffrant d'une hypoacousie de type oreille interne avec une courbe audiométrique en forme de creux d'environ 40 dB entre 1 et 2 kHz. Dans toutes les conditions de stimulus, nous avons trouvé des interactions entre la détection des modulations d'amplitude et de fréquence. Ces interactions semblaient ětre liées quantitativement à l'effet de la fréquence sur la sonie (comme le montre la pente des lignes isosoniques de l'observateur). En tenant compte de cet effet de la fréquence sur la sonie, les résultats des mesures étaient en bon accord avec l'hypothèse selon laquelle la détection des différences d'amplitude et de fréquence reposerait sur deux mécanismes séparés.Les résultats expérimentaux ont aussi été discutés à la lumière de l'hypothèse selon laquelle il existerait un mécanisme unique permettant la détection de changements en amplitude et en fréquence (Zwicker, Maiwald). Ce modèle n'était pas à měme de fournir une explication satisfaisante des interactions de l'amplitude et de la fréquence." @default.
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- W2131482212 date "1980-01-01" @default.
- W2131482212 modified "2023-09-26" @default.
- W2131482212 title "Just Audible Pitch and Loudness Modulations with Cochlear Impairment" @default.
- W2131482212 cites W1994202388 @default.
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- W2131482212 doi "https://doi.org/10.3109/00206098009070075" @default.
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