Predicting the intelligibility of Mandarin Chinese with manipulated and intact tonal information for normal-hearing listeners

普通话 可理解性(哲学) 感知 心理学 言语感知 声学 语音识别 计算机科学 语言学 物理 哲学 认识论 神经科学
作者
Chenyang Xu,Brian C. J. Moore,Mingfang Diao,Xiaodong Li,Chengshi Zheng
出处
期刊:Journal of the Acoustical Society of America [Acoustical Society of America]
卷期号:156 (5): 3088-3101
标识
DOI:10.1121/10.0034233
摘要

Objective indices for predicting speech intelligibility offer a quick and convenient alternative to behavioral measures of speech intelligibility. However, most such indices are designed for a specific language, such as English, and they do not take adequate account of tonal information in speech when applied to languages like Mandarin Chinese (hereafter called Mandarin) for which the patterns of fundamental frequency (F0) variation play an important role in distinguishing speech sounds with similar phonetic content. To address this, two experiments with normal-hearing listeners were conducted examining: (1) The impact of manipulations of tonal information on the intelligibility of Mandarin sentences presented in speech-shaped noise (SSN) at several signal-to-noise ratios (SNRs); (2) The intelligibility of Mandarin sentences with intact tonal information presented in SSN, pink noise, and babble at several SNRs. The outcomes were not correctly predicted by the Hearing Aid Speech Perception Index (HASPI-V1). A new intelligibility metric was developed that used one acoustic feature from HASPI-V1 plus Hilbert time envelope and temporal fine structure information from multiple frequency bands. For the new metric, the Pearson correlation between obtained and predicted intelligibility was 0.923 and the root mean square error was 0.119. The new metric provides a potential tool for evaluating Mandarin intelligibility.
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