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Article Dans Une Revue Journal of the Acoustical Society of America Année : 2014

Room and head coloration can induce obligatory stream segregation (L)

Résumé

Multiple sound reflections from room materials and a listener's head induce slight spectral modifications of sounds. This coloration depends on the listener and source positions, and on the room itself. This study investigated whether coloration could help segregate competing sources. Obligatory streaming was evaluated for diotic speech-shaped noises using a rhythmic discrimination task. Thresholds for detecting anisochrony were always significantly higher when stimuli differed in spectrum. The tested differences corresponded to three spatial configurations involving different levels of head and room coloration. These results suggest that, despite the generally dele-terious effects of reverberation on speech intelligibility, coloration could favor source segregation.
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Dates et versions

hal-01102084 , version 1 (12-01-2015)

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Marion David, Mathieu Lavandier, Nicolas Grimault. Room and head coloration can induce obligatory stream segregation (L). Journal of the Acoustical Society of America, 2014, 136 (1), pp.5-8. ⟨10.1121/1.4883387⟩. ⟨hal-01102084⟩
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