一种基于汉语声调信息的人工耳蜗语音处理策略

K. Nie, N. Lan, Shangkai Gao
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引用次数: 3

摘要

汉语与英语等其他语言有很大的不同。它被称为一种声调语言,在单词的发音中有明显的音高变化。本文的目的是开发一种基于汉语特点的人工耳蜗语音处理策略。本文首先讨论了汉语语音信号的特点,然后给出了音高变化对语音感知影响的仿真结果。结果表明,在CIS(连续交错采样)语音处理器中加入音调信息可以提高汉语口语的可理解性。在CIS策略的基础上,提出了一种动态调制刺激速率的新型人工耳蜗语音处理器。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A speech processing strategy of cochlear implants based on tonal information of Chinese language
Chinese language is significantly different from other languages such as English. It is known as a tonal language with explicit variation of pitch in the pronunciation of words. The objective of this paper is to develop a speech processing strategy for cochlear implant based on characteristics of Chinese language. The paper discusses first the characteristics of Chinese speech signals, and then presents simulation results on the effect of pitch variation in speech perception. Results show that adding tonal information to a CIS (Continuous Interleaved Sampling) speech processor will offer an improved intelligibility of spoken Chinese. Based on the CIS strategy, a novel speech processor with dynamic modulation of stimulation rate is proposed for cochlear implants for use with Chinese deaf people.
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