Slack voice

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Slack voice (or lax voice) is the pronunciation of

voiceless diacritic (the under-ring) may be used with a voiced consonant letter, though this convention is also used for partially voiced consonants in languages such as English.[1]

Wu Chinese "muddy" consonants are slack voice word-initially, the primary effect of which is a slightly breathy quality of the following vowel.[1]

Bilabial Alveolar Velar
IPA Wu gloss IPA Wu gloss IPA Wu gloss
slack voice [b̥ʌ̀ʔ] 'white' [d̥ǐ] 'earth' [ɡ̊ə̀ʔ] (possessive particle)
tenuis [pʌ́ʔ] 'hundred' [tíʔ] (a grammatical particle) [kóʔ] 'corner'
aspirated
[pʰʌ́ʔ] 'to strike' [tʰî] 'sky' [kʰʌ́ʔ] 'guest'

Javanese contrasts slack and stiff voiced bilabial, dental, retroflex, and velar stops.[1]

Bilabial Dental Stop Dental Affricate Retroflex Velar
phonation IPA gloss IPA gloss IPA gloss IPA gloss IPA gloss
stiff voice [paku] 'nail' [tamu] 'guest' [tsariʔ] 'sheet (of paper)' [ʈiʈiʔ] 'little' [kali] 'river'
slack voice [b̥aku] 'standard' [d̥amu] 'blow' [d̥z̥arit] (type of women's clothing) [ɖ̥isiʔ] 'first' [ɡ̊ali] 'dig'


Parauk contrasts slack voicing in its vowels. The contrast is between "slightly stiff" and "slightly breathy" vowels; the first are between modal and stiff voice, while the latter are captured by slack voice.[1]

References