The development of speech sounds always has its own regularity, but there are also some exceptions.

语音演变有很强的规律性，但也有例外。

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In this paper we first describe the definition of text speech similarity, then give procedure and example of design and development of speech inquire system based on text speech similarity.

本文首先介绍了文音相似度的概念，然后给出了利用文音相似度设计开发语音查询系统的过程和例子。

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Mr. Li reviewed New China's great accomplishments over 60 years of the Glorious development road in the speech.

李树钢总领事在讲话中回顾了新中国成立60年以来所走过的光辉历程以及取得的巨大成就。

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"We think the very first processes of language development are actually starting in the womb because they are overhearing their mother's speech."

VOA: standard.2010.05.05

With the likes of Google, Nuance and Vlingo now offering mobile speech-recognition services for phones, and the development of speech-driven systems for use in vehicles, Parakeet may be flying into a growing market.

ECONOMIST: Monitor

In humans the vocal tract acts as a filter on the sound from the source, and the "source-filter theory" held that the separate, fine control of the vocal tract to be the product of a long evolution in the development of the subtleties of speech.

BBC: Helium-huffing gibbons 'sing with soprano technique'

The technology reflects more than one million hours of research and development in speech technologies that has led to more than 600 U.S. patents and patent applications.

ENGADGET: QNX builds in-car speech framework with AT&T's Watson, knows our true intentions