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Manual selection of tones by Mandari...

Lau, Dawn.

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Manual selection of tones by Mandarin speakers for control of tone-capable voice prostheses.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Manual selection of tones by Mandarin speakers for control of tone-capable voice prostheses./
作者:	Lau, Dawn.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2016,
面頁冊數:	77 p.
附註:	Source: Masters Abstracts International, Volume: 56-01.
Contained By:	Masters Abstracts International56-01(E).
標題:	Communication. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10153210
ISBN:	9781369083477

Manual selection of tones by Mandarin speakers for control of tone-capable voice prostheses.
Lau, Dawn.

Manual selection of tones by Mandarin speakers for control of tone-capable voice prostheses. - Ann Arbor : ProQuest Dissertations & Theses, 2016 - 77 p.

Source: Masters Abstracts International, Volume: 56-01.

Thesis (M.S.)--MGH Institute of Health Professions, 2016.

Speakers of tonal languages demonstrate lower intelligibility when using an electrolarynx (EL) compared to English-speaking EL users, and adding tones to Mandarin EL speech has recently been shown to improve both speech intelligibility and acceptability. However, the use of tone-capable EL devices requires 1) that speakers have explicit awareness of tones that they intend to produce, and 2) are capable of manually controlling tone selection rapidly enough to support fluent speech. This study examined tone awareness of native Mandarin speakers for individual words, and explored whether the rate at which they can manually indicate tones improved over a series of brief (2--3 minute) practice periods. Eleven vocally normal Mandarin speakers read single Chinese characters under three conditions: (1) reading only, and reading with simultaneous manual input of the tones via either (2) tone drawing or (3) keying-in tones. Response latency for word reading and manual tone selection was measured at a pre-test time point, during probes conducted after 4 brief practice sessions (with keying-in tone selection), and at a post-test time point.

ISBN: 9781369083477Subjects--Topical Terms:

524709
Communication.

Manual selection of tones by Mandarin speakers for control of tone-capable voice prostheses.
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520 $a Speakers of tonal languages demonstrate lower intelligibility when using an electrolarynx (EL) compared to English-speaking EL users, and adding tones to Mandarin EL speech has recently been shown to improve both speech intelligibility and acceptability. However, the use of tone-capable EL devices requires 1) that speakers have explicit awareness of tones that they intend to produce, and 2) are capable of manually controlling tone selection rapidly enough to support fluent speech. This study examined tone awareness of native Mandarin speakers for individual words, and explored whether the rate at which they can manually indicate tones improved over a series of brief (2--3 minute) practice periods. Eleven vocally normal Mandarin speakers read single Chinese characters under three conditions: (1) reading only, and reading with simultaneous manual input of the tones via either (2) tone drawing or (3) keying-in tones. Response latency for word reading and manual tone selection was measured at a pre-test time point, during probes conducted after 4 brief practice sessions (with keying-in tone selection), and at a post-test time point.
520 $a Participants had an average reading response latency of 583 ms (+/- 57), a tone drawing latency of 785 ms (+/- 121), and keying-in tones within 936ms (+/- 149) at the pre-test. Latencies at the post-test were 567 ms (+/- 63) for reading, 693 ms (+/- 97) for tone drawing, and 799 ms (+/- 94) for keying-in tones, reflecting average reductions in latency of 2.6% (reading), 11.4% (drawing) and 13.7% (keying), respectively. Response latencies for both modalities of manual tone selection got significantly shorter between pre- and post-tests (P<0.05). At the post-test time point, manually reporting tones took 22% longer for drawing and 40.9% longer for keying-in compared to reading alone. These findings suggest that Mandarin speakers are able to report the tone of individual words they read within 22% of additional time compared to reading alone. Significant improvements in response latency after 40 minutes of practice suggests that manual tone selection might be rapid enough to support fluent, free-running Mandarin using a tone-capable EL. Future studies are needed with tone selection during continuous EL speech in the laryngectomee population to determine the practical usefulness of this technology.
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