devoicing

美/ ˌdiːˈvɔɪsɪŋ /

1
清音化
摘要：运用优选论（Optimality Theory）分析了英语软腭音化（Velarization）和清音化（Devoicing）两种辅音逆同化现象的制约条件。
2
浊音清化
... devoiced 清音化的 devoicing 清音化；浊音清化；声音气化 devoicing rule 清音化规则 ...
3
声音气化
... unvoiced 清音化；无声的 devoicing 清音化；浊音清化；声音气化 devoiced 清音化的 ...
4
清化
... 清莱：Chiang Lai 清化：devoicing 青屿干线：Lantau Link ...

短语

1
Through the processes of devoicing and weakening, these initials evolve respectively in the places and the ways of pronunciation in terms of the tones, initials and finals.
益阳方言的古全浊声母根据声调、声母、韵母进行不同层级的演变，演变按照清化和弱化两种模式进行。
2
But voiced obstruent devoicing in Wuyu is not an individual phenomenon. In dialects of Jinhua and Quzhou, nominally voiced obstruents can not uncommonly be recorded as voiceless on sets.
但全浊声母清化在吴语里已不是个别现象，金华、衢州一带方言的所谓全浊声母不少也可以记作清声母。

Devoicing
In phonology, voicing (or sonorization) is a sound change where a voiceless consonant becomes voiced due to the influence of its phonological environment; shift in the opposite direction is referred to as devoicing or desonorization. Most commonly, the change is a result of sound assimilation with an adjacent sound of opposite voicing, but it can also occur word-finally or in contact with a specific vowel.For example, English suffix -s is pronounced [s] when it follows a voiceless phoneme (cats), and [z] when it follows a voiced phoneme (dogs). This type of assimilation is called progressive, where the second consonant assimilates to the first; regressive assimilation goes in the opposite direction, as can be seen in have to [hæftə].

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