Using envelope modulation to explain speech intelligibility in the presence of a single reflection

A single reflection is the simplest simulation of reverberation and provides insights into more complex scenarios of listening in rooms. This paper presents an analysis of the effects of a single reflection as its delay and intensity are systematically varied. The changes to the envelope modulations...

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Bibliographic Details
Published in:The Journal of the Acoustical Society of America 2017-05, Vol.141 (5), p.EL482-EL487
Main Authors: Muralimanohar, Ramesh Kumar, Kates, James M., Arehart, Kathryn H.
Format: Article
Language:English
Subjects:
Acoustics
Cues
Humans
Models, Theoretical
Motion
Persons With Hearing Impairments - psychology
Signal Processing, Computer-Assisted
Sound
Sound Spectrography
Speech Acoustics
Speech Intelligibility
Speech Perception
Time Factors
Vibration
Voice Quality
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Summary:A single reflection is the simplest simulation of reverberation and provides insights into more complex scenarios of listening in rooms. This paper presents an analysis of the effects of a single reflection as its delay and intensity are systematically varied. The changes to the envelope modulations are analyzed using not only the traditional within-auditory-band analysis approach but also an across-band spectro-temporal analysis using cepstral correlation coefficients. The use of an auditory model allowed the extension of the simulations to include sensorineural hearing loss. Short delays did not interfere with the envelope modulations at low modulation rates (
ISSN:0001-4966
1520-8524
DOI:10.1121/1.4983630