Importance of temporal-envelope speech cues in different spectral regions |
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Authors: | Ardoint Marine Agus Trevor Sheft Stanley Lorenzi Christian |
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Institution: | Universite Paris Descartes, Ecole normale supe?rieure, Paris, France. marine.ardoint@ens.fr |
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Abstract: | This study investigated the ability to use temporal-envelope (E) cues in a consonant identification task when presented within one or two frequency bands. Syllables were split into five bands spanning the range 70-7300 Hz with each band processed to preserve E cues and degrade temporal fine-structure cues. Identification scores were measured for normal-hearing listeners in quiet for individual processed bands and for pairs of bands. Consistent patterns of results were obtained in both the single- and dual-band conditions: identification scores increased systematically with band center frequency, showing that E cues in the higher bands (1.8-7.3 kHz) convey greater information. |
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