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Kong_Thesis Manuscript_Final.pdf (1.06 MB)

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The Effect Of Mean Fundamental Frequency Normalization Of Masker Speech For A Speech-In-Speech Recognition Task

Kong, Jessica Lynn
http://rave.ohiolink.edu/etdc/view?acc_num=case1588949121900459

Abstract Details

2020, Master of Arts, Case Western Reserve University, Communication Sciences.
Two experiments were conducted to assess the effect of fundamental frequency (F0) normalization of the masker speech on target speech recognition. Normalizing the mean F0 of the masker talkers was hypothesized to minimize variability across four different target/masker conditions, whereas greater variability was expected across conditions when mean F0 varied across masker talkers. A perceptual similarity judgment task assessed listeners’ perceived similarity between the target and masker voices. Results indicated that when masker talker mean F0 varied there was significantly greater variability in performance than when mean F0 was normalized. Nevertheless, significant variability remained. It is unclear which acoustic features are causing the remaining variability across conditions - listeners may be using vocal features not assessed in this thesis to facilitate target/masker segregation (e.g., nasality or timbre). For these data, the most effective masker was the masker voice judged to be most similar to the target.
Lauren Calandruccio (Advisor)
Barbara Lewis (Committee Member)
Kay McNeal (Committee Member)
44 p.
Acoustics; Audiology; Communication; Speech Therapy

Recommended Citations

Citations

  • Kong, J. L. (2020). The Effect Of Mean Fundamental Frequency Normalization Of Masker Speech For A Speech-In-Speech Recognition Task [Master's thesis, Case Western Reserve University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=case1588949121900459

    APA Style (7th edition)

  • Kong, Jessica. The Effect Of Mean Fundamental Frequency Normalization Of Masker Speech For A Speech-In-Speech Recognition Task. 2020. Case Western Reserve University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=case1588949121900459.

    MLA Style (8th edition)

  • Kong, Jessica. "The Effect Of Mean Fundamental Frequency Normalization Of Masker Speech For A Speech-In-Speech Recognition Task." Master's thesis, Case Western Reserve University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=case1588949121900459

    Chicago Manual of Style (17th edition)

case1588949121900459
159
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This open access ETD is published by Case Western Reserve University School of Graduate Studies and OhioLINK.