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A voiceless postalveolar fricative is a type of consonantal sound used in some spoken languages.The International Phonetic Association uses the term voiceless postalveolar fricative only for the sound [ ʃ ], [1] but it also describes the voiceless postalveolar non-sibilant fricative [ɹ̠̊˔], for which there are significant perceptual differences.
The voiceless palato-alveolar sibilant affricate or voiceless domed postalveolar sibilant affricate is a type of consonantal sound used in some spoken languages. The sound is transcribed in the International Phonetic Alphabet with t͡ʃ , t͜ʃ tʃ (formerly the ligature ʧ ), or, in broad transcription, c .
pharyngealized voiced postalveolar fricative [ʒˤ] (in Kabyle and Chechen) pharyngealized voiceless dental fricative [θˤ] (in Zenaga, Shawiya and Shehri) pharyngealized voiced dental fricative [ðˤ] ⓘ (in Arabic ظ, and as [θ̬ˤ], a variant pronunciation in Mehri) pharyngealized voiceless alveolar lateral fricative [ɬˤ]
Postalveolar, which means it is articulated with either the tip or the blade of the tongue behind the alveolar ridge, termed respectively apical and laminal. Its phonation is voiceless, which means it is produced without vibrations of the vocal cords. It is an oral consonant, which means air is allowed to escape through the mouth only.
The voiceless dental plosive can be distinguished with the underbridge diacritic, t̪ and the postalveolar with a retraction line, t̠ , and the Extensions to the IPA have a double underline diacritic which can be used to explicitly specify an alveolar pronunciation, t͇ . The [t] sound is a very common sound cross-linguistically. [1]
The closest sound found in English, as well as many other languages, is the voiceless postalveolar fricative [ʃ] (Swedish words with the sound often correspond to English words with "sh", such as "shield", "shoot"), although usually the closest audible approximation is the voiceless labialized velar approximant [ʍ] found in some English dialects.
Voiceless pharyngeal fricative; Voiceless postalveolar affricate; Voiceless postalveolar fricative; Voiceless retroflex affricate; Voiceless retroflex flap;
Postalveolar (post-alveolar) consonants are consonants articulated with the tongue near or touching the back of the alveolar ridge.Articulation is farther back in the mouth than the alveolar consonants, which are at the ridge itself, but not as far back as the hard palate, the place of articulation for palatal consonants.