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Voiceless nasal glottal approximant [h̃] Voiceless bilabially post-trilled dental stop [t̪ʙ̥] Voiceless bidental fricative [h̪͆] Voiceless upper-pharyngeal plosive [ʡ̟] Voiced upper-pharyngeal plosive [ʡ̟̬] Bilabial percussive [ʬ] Bidental percussive [ʭ] Sublaminal lower-alveolar percussive [¡]
Voiceless lateral approximants, /l̥/ are common in Sino-Tibetan languages, but uncommon elsewhere. In such cases, voicing typically starts about halfway through the hold of the consonant. No language is known to contrast such a sound with a voiceless alveolar lateral fricative [ɬ].
It goes back to the allophonic variation in Old English (see below), where it was possible for þ to be in final position and thus voiceless in the basic form of a word, but in medial position and voiced in a related form. The loss of inflections then brought the voiced medial consonant to the end of the word.
The voiceless alveolar, dental and postalveolar plosives (or stops) are types of consonantal sounds used in almost all spoken languages. The symbol in the International Phonetic Alphabet that represents voiceless dental , alveolar , and postalveolar plosives is t , and the equivalent X-SAMPA symbol is t .
The voiceless denti-alveolar sibilant is the only sibilant fricative in some dialects of Andalusian Spanish. It has no official symbol in the International Phonetic Alphabet , though its features would be transcribed s̻̪ or s̪̻ (using the ̻ , the diacritic marking a laminal consonant , and ̪ , the diacritic marking a dental consonant ).
Its phonation is voiceless, which means it is produced without vibrations of the vocal cords. In some languages the vocal cords are actively separated, so it is always voiceless; in others the cords are lax, so that it may take on the voicing of adjacent sounds. It is an oral consonant, which means air is allowed to escape through the mouth only.
Final-obstruent devoicing or terminal devoicing is a systematic phonological process occurring in languages such as Catalan, German, Dutch, Quebec French, Breton, Russian, Polish, Lithuanian, Turkish, and Wolof. In such languages, voiced obstruents in final position (at the end of a word) become voiceless before voiceless consonants and in pausa.
Thus, velarized consonants, such as Albanian /ɫ/, tend to be dental or denti-alveolar, and non-velarized consonants tend to be retracted to an alveolar position. [ 1 ] Sanskrit , Hindustani and all other Indo-Aryan languages have an entire set of dental stops that occur phonemically as voiced and voiceless and with or without aspiration.