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Acoustic-phonetic and auditory mechanisms of adaptation in the perception of sibilant fricatives

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Acoustic-phonetic and auditory mechanisms of adaptation in the perception of sibilant fricatives. / Chodroff, Eleanor; Wilson, Colin.

In: Attention, Perception & Psychophysics, Vol. 82, 01.05.2020, p. 2027-2048.

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Chodroff, E & Wilson, C 2020, 'Acoustic-phonetic and auditory mechanisms of adaptation in the perception of sibilant fricatives', Attention, Perception & Psychophysics, vol. 82, pp. 2027-2048. https://doi.org/10.3758/s13414-019-01894-2

APA

Chodroff, E., & Wilson, C. (2020). Acoustic-phonetic and auditory mechanisms of adaptation in the perception of sibilant fricatives. Attention, Perception & Psychophysics, 82, 2027-2048. https://doi.org/10.3758/s13414-019-01894-2

Vancouver

Chodroff E, Wilson C. Acoustic-phonetic and auditory mechanisms of adaptation in the perception of sibilant fricatives. Attention, Perception & Psychophysics. 2020 May 1;82:2027-2048. https://doi.org/10.3758/s13414-019-01894-2

Author

Chodroff, Eleanor ; Wilson, Colin. / Acoustic-phonetic and auditory mechanisms of adaptation in the perception of sibilant fricatives. In: Attention, Perception & Psychophysics. 2020 ; Vol. 82. pp. 2027-2048.

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@article{b096ae3f092f45b4be62c066de5c3ab2,
title = "Acoustic-phonetic and auditory mechanisms of adaptation in the perception of sibilant fricatives",
abstract = "Listeners are highly proficient at adapting to contextual variation when perceiving speech. In the present study, we examined the effects of brief speech and nonspeech contexts on the perception of sibilant fricatives. We explored three theoretically motivated accounts of contextual adaptation, based on phonetic cue calibration, phonetic covariation, and auditory contrast. Under the cue calibration account, listeners adapt by estimating a talker-specific average for each phonetic cue or dimension; under the cue covariation account, listeners adapt by exploiting consistencies in how the realization of speech sounds varies across talkers; under the auditory contrast account, adaptation results from (partial) masking of spectral components that are shared by adjacent stimuli. The spectral center of gravity, a phonetic cue to fricative identity, was manipulated for several types of context sound: /z/-initial syllables, /v/-initial syllables, and white noise matched in long-term average spectrum (LTAS) to the /z/-initial stimuli. Listeners{\textquoteright} perception of the /s/–/ʃ/ contrast was significantly influenced by /z/-initial syllables and LTAS-matched white noise stimuli, but not by /v/-initial syllables. No significant difference in adaptation was observed between exposure to /z/-initial syllables and matched white noise stimuli, and speech did not have a considerable advantage over noise when the two were presented consecutively within a context. The pattern of findings is most consistent with the auditory contrast account of short-term perceptual adaptation. The cue covariation account makes accurate predictions for speech contexts, but not for nonspeech contexts or for the absence of a speech-versus-nonspeech difference.",
author = "Eleanor Chodroff and Colin Wilson",
note = "{\textcopyright} 2019 The Author(s)",
year = "2020",
month = may,
day = "1",
doi = "10.3758/s13414-019-01894-2",
language = "English",
volume = "82",
pages = "2027--2048",
journal = "Attention, Perception & Psychophysics",
issn = "1943-3921",
publisher = "Springer New York",

}

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TY - JOUR

T1 - Acoustic-phonetic and auditory mechanisms of adaptation in the perception of sibilant fricatives

AU - Chodroff, Eleanor

AU - Wilson, Colin

N1 - © 2019 The Author(s)

PY - 2020/5/1

Y1 - 2020/5/1

N2 - Listeners are highly proficient at adapting to contextual variation when perceiving speech. In the present study, we examined the effects of brief speech and nonspeech contexts on the perception of sibilant fricatives. We explored three theoretically motivated accounts of contextual adaptation, based on phonetic cue calibration, phonetic covariation, and auditory contrast. Under the cue calibration account, listeners adapt by estimating a talker-specific average for each phonetic cue or dimension; under the cue covariation account, listeners adapt by exploiting consistencies in how the realization of speech sounds varies across talkers; under the auditory contrast account, adaptation results from (partial) masking of spectral components that are shared by adjacent stimuli. The spectral center of gravity, a phonetic cue to fricative identity, was manipulated for several types of context sound: /z/-initial syllables, /v/-initial syllables, and white noise matched in long-term average spectrum (LTAS) to the /z/-initial stimuli. Listeners’ perception of the /s/–/ʃ/ contrast was significantly influenced by /z/-initial syllables and LTAS-matched white noise stimuli, but not by /v/-initial syllables. No significant difference in adaptation was observed between exposure to /z/-initial syllables and matched white noise stimuli, and speech did not have a considerable advantage over noise when the two were presented consecutively within a context. The pattern of findings is most consistent with the auditory contrast account of short-term perceptual adaptation. The cue covariation account makes accurate predictions for speech contexts, but not for nonspeech contexts or for the absence of a speech-versus-nonspeech difference.

AB - Listeners are highly proficient at adapting to contextual variation when perceiving speech. In the present study, we examined the effects of brief speech and nonspeech contexts on the perception of sibilant fricatives. We explored three theoretically motivated accounts of contextual adaptation, based on phonetic cue calibration, phonetic covariation, and auditory contrast. Under the cue calibration account, listeners adapt by estimating a talker-specific average for each phonetic cue or dimension; under the cue covariation account, listeners adapt by exploiting consistencies in how the realization of speech sounds varies across talkers; under the auditory contrast account, adaptation results from (partial) masking of spectral components that are shared by adjacent stimuli. The spectral center of gravity, a phonetic cue to fricative identity, was manipulated for several types of context sound: /z/-initial syllables, /v/-initial syllables, and white noise matched in long-term average spectrum (LTAS) to the /z/-initial stimuli. Listeners’ perception of the /s/–/ʃ/ contrast was significantly influenced by /z/-initial syllables and LTAS-matched white noise stimuli, but not by /v/-initial syllables. No significant difference in adaptation was observed between exposure to /z/-initial syllables and matched white noise stimuli, and speech did not have a considerable advantage over noise when the two were presented consecutively within a context. The pattern of findings is most consistent with the auditory contrast account of short-term perceptual adaptation. The cue covariation account makes accurate predictions for speech contexts, but not for nonspeech contexts or for the absence of a speech-versus-nonspeech difference.

U2 - 10.3758/s13414-019-01894-2

DO - 10.3758/s13414-019-01894-2

M3 - Article

VL - 82

SP - 2027

EP - 2048

JO - Attention, Perception & Psychophysics

JF - Attention, Perception & Psychophysics

SN - 1943-3921

ER -