母语为英语的听众对外国口音语音编码的识别

IF 1 3区 物理与天体物理 Q4 ACOUSTICS Acta Acustica Pub Date : 2023-01-01 DOI:10.1051/aacus/2023038
Jing Yang, Jenna Barrett, Zhigang Yin, Li Xu
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引用次数: 0

摘要

本研究考察了说话者的口音如何影响母语为英语的听者对噪声语音的识别,以及语境信息在这一过程中如何与说话者的口音相互作用。听众包括20名母语为英语、听力正常的成年人,年龄在19至23岁之间。以英语为第二语言的四名普通话母语者(男、女各两名)所做的英语噪音听力测试(HINT)和修正噪音语音感知(R-SPIN)句子作为刺激。两个说话的人(男女各一个)有轻微的外国口音,另外两个有中度的外国口音。采用六通道噪声声码器对刺激句进行处理。将经过声码处理和未处理的句子呈现给听者。结果表明,说话者的外国口音除了会导致频谱退化外,还会带来额外的有害影响,而且这种负面影响会随着外国口音的增强而加剧。虽然上下文信息在识别轻度口音的语音编码中发挥了有益的作用,但随着说话者口音的增加,上下文信息的益处程度也会降低。这些发现揭示了说话者变异和句子语境对言语退化感知的共同影响。
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Recognition of foreign-accented vocoded speech by native English listeners
This study examined how talker accentedness affects the recognition of noise-vocoded speech by native English listeners and how contextual information interplays with talker accentedness during this process. The listeners included 20 native English-speaking, normal-hearing adults aged between 19 and 23 years old. The stimuli were English Hearing in Noise Test (HINT) and Revised Speech Perception in Noise (R-SPIN) sentences produced by four native Mandarin talkers (two males and two females) who learned English as a second language. Two talkers (one in each sex) had a mild foreign accent and the other two had a moderate foreign accent. A six-channel noise vocoder was used to process the stimulus sentences. The vocoder-processed and unprocessed sentences were presented to the listeners. The results revealed that talkers’ foreign accents introduced additional detrimental effects besides spectral degradation and that the negative effect was exacerbated as the foreign accent became stronger. While the contextual information provided a beneficial role in recognizing mildly accented vocoded speech, the magnitude of contextual benefit decreased as the talkers’ accentedness increased. These findings revealed the joint influence of talker variability and sentence context on the perception of degraded speech.
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来源期刊
Acta Acustica
Acta Acustica ACOUSTICS-
CiteScore
2.80
自引率
21.40%
发文量
0
审稿时长
12 weeks
期刊介绍: Acta Acustica, the Journal of the European Acoustics Association (EAA). After the publication of its Journal Acta Acustica from 1993 to 1995, the EAA published Acta Acustica united with Acustica from 1996 to 2019. From 2020, the EAA decided to publish a journal in full Open Access. See Article Processing charges. Acta Acustica reports on original scientific research in acoustics and on engineering applications. The journal considers review papers, scientific papers, technical and applied papers, short communications, letters to the editor. From time to time, special issues and review articles are also published. For book reviews or doctoral thesis abstracts, please contact the Editor in Chief.
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