Letters b, d, and g are often devoiced when placed near voiceless consonants or at the beginning of words.

The voiceless consonants have multiple allophones, depending on position.

Kutenai has no phonemic distinction between voiced and voiceless consonants.

Therefore the only actual alternation between voiced and voiceless consonants appears root-finally.

Initial voicing is a process of historical sound change where voiceless consonants become voiced at the beginning of a word.

Among stops and fricatives, in most languages only voiceless consonants occur geminated.

Voiceless consonants become voiced word-medially (this is reflected in the orthography as well).

If the vocal folds are drawn apart, air flows between them causing no vibration, as in the production of voiceless consonants.

On the other hand, Korean does not distinguish between voiced and voiceless consonants unlike a number of other languages.

Word-final voiceless consonants are voiced in intervocalic position.

Pre-nasalised voiceless consonants were rare, most were voiced.

Voiced stops are replaced by voiceless ones before voiceless consonants; e.g.

But the Fuqing dialect has devoiced the obstruents, turning them into voiceless consonants.

This is because English voiceless consonants are most often aspirated, whereas the voiced ones are always unaspirated.

Some dialects have productive lenition of voiceless consonants into their voiced counterparts between vowels.

Unlike English, Tübatulabal voiceless consonants are not aspirated.

Korean has phonologically no distinction between voiced and voiceless consonants, but it phonetically distinguishes them.

Note that in the Aspe Valley the voiceless consonants of Latin are preserved.

Voiceless consonants are regressively assimilated.

Voicing was not phonemically contrastive, but the language did possess voiced allophones of certain voiceless consonants.

Prenasalized voiceless consonants are aspirated.

The lack of a phonemic distinction between voiced and voiceless consonants is much like other languages of the interior northwest.

Aspiration of voiceless consonants syllable-initially.

Glottal reinforcement of voiceless consonants syllable-finally.

For restrictions on combinations of voiced and voiceless consonants in clusters, see Voicing and devoicing below.