Generating tonal distinctions in Mandarin Chinese using an electrolarynx with preprogrammed tone patterns

•We created an electrolarynx (EL) that generates tonal distinctions in Mandarin.•Tones are identified with greater accuracy in the tonal vs. monotone EL condition.•Tonal information enhances EL speech intelligibility and acceptability. An electrolarynx (EL) is a valuable rehabilitative option for in...

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Bibliographic Details
Published in:Speech communication 2016-04, Vol.78, p.34-41
Main Authors: Guo, Liana, Nagle, Kathleen F., Heaton, James T.
Format: Article
Language:English
Subjects:
Electrolarynx
Mandarin Chinese
Speech intelligibility
Tonal control
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Summary:•We created an electrolarynx (EL) that generates tonal distinctions in Mandarin.•Tones are identified with greater accuracy in the tonal vs. monotone EL condition.•Tonal information enhances EL speech intelligibility and acceptability. An electrolarynx (EL) is a valuable rehabilitative option for individuals who have undergone laryngectomy, but current monotone ELs do not support controlled variations in fundamental frequency for producing tonal languages. The present study examined the production and perception of Mandarin Chinese using a customized hand-held EL driven by computer software to generate tonal distinctions (tonal EL). Four native Mandarin speakers were trained to articulate their speech coincidentally with preprogrammed tonal patterns in order to produce mono- and di-syllabic words with a monotone EL and tonal EL. Three native Mandarin speakers later transcribed and rated the speech samples for intelligibility and acceptability. Results indicated that words produced using the tonal EL were significantly more intelligible and acceptable than those produced using the monotone EL.
ISSN:0167-6393
1872-7182
DOI:10.1016/j.specom.2016.01.002