Contributions of cochlea-scaled entropy and consonant-vowel boundaries to prediction of speech intelligibility in noise.

The Journal of the Acoustical Society of America
Fei Chen, Philipos C Loizou

Abstract

Recent evidence suggests that spectral change, as measured by cochlea-scaled entropy (CSE), predicts speech intelligibility better than the information carried by vowels or consonants in sentences. Motivated by this finding, the present study investigates whether intelligibility indices implemented to include segments marked with significant spectral change better predict speech intelligibility in noise than measures that include all phonetic segments paying no attention to vowels/consonants or spectral change. The prediction of two intelligibility measures [normalized covariance measure (NCM), coherence-based speech intelligibility index (CSII)] is investigated using three sentence-segmentation methods: relative root-mean-square (RMS) levels, CSE, and traditional phonetic segmentation of obstruents and sonorants. While the CSE method makes no distinction between spectral changes occurring within vowels/consonants, the RMS-level segmentation method places more emphasis on the vowel-consonant boundaries wherein the spectral change is often most prominent, and perhaps most robust, in the presence of noise. Higher correlation with intelligibility scores was obtained when including sentence segments containing a large number of con...Continue Reading

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May 17, 2011·The Journal of the Acoustical Society of America·Fei Chen, Philipos C Loizou

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Citations

Mar 13, 2014·The Journal of the Acoustical Society of America·Daniel Fogerty
Oct 9, 2012·The Journal of the Acoustical Society of America·Raphael Koning, Jan Wouters
Dec 7, 2014·The Journal of the Acoustical Society of America·Junfeng LiMasato Akagi
Jun 22, 2015·The Journal of the Acoustical Society of America·Daniel FogertyJudy R Dubno
Apr 30, 2015·The Journal of the Acoustical Society of America·Trevor T Perry, Bomjun J Kwon
Jan 25, 2020·Science Advances·Yulia Oganian, Edward F Chang
Jan 4, 2017·The Journal of the Acoustical Society of America·Yilai ShuFei Chen
Jun 3, 2018·The Journal of the Acoustical Society of America·Rachel E MillerDaniel Fogerty
Sep 2, 2019·The Journal of the Acoustical Society of America·Danying XuDingchang Zheng
Dec 3, 2016·The Journal of the Acoustical Society of America·Christian StilpYing-Yee Kong
Oct 2, 2017·The Journal of the Acoustical Society of America·Andrew J OxenhamHeather A Kreft
Dec 3, 2016·The Journal of the Acoustical Society of America·Tian GuanFei Chen
Jul 2, 2018·The Journal of the Acoustical Society of America·Vincent AubanelJeesun Kim

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