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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 .
In phonetics, a plosive, also known as an occlusive or simply a stop, is a pulmonic consonant in which the vocal tract is blocked so that all airflow ceases. The occlusion may be made with the tongue tip or blade ( [ t ] , [ d ] ), tongue body ( [ k ] , [ ɡ ] ), lips ( [ p ] , [ b ] ), or glottis ( [ ʔ ] ).
The alveolar and dental ejective stops are types of consonantal sounds, usually described as voiceless, that are pronounced with a glottalic egressive airstream. In the International Phonetic Alphabet , ejectives are indicated with a "modifier letter apostrophe" ʼ , [ 1 ] as in this article.
In Southeast Asia, when stops occur at the end of a word, they are voiceless because the glottis is closed, not open, so they are said to be unphonated (have no phonation) by some phoneticians, who considered "breathed" voicelessness to be a phonation. [2] Yidiny consonants have no underlyingly voiceless consonants. [3]
Owere Igbo has a seven-way contrast among bilabial stops, /pʰ p ƥ bʱ b ɓ m/, and its alveolar stops are similar. The voiceless velar implosive occurs marginally in Uspantek [17] and /ʠ/ occurs in Mam, Kaqchikel, and Uspantek. [18] Lendu has been claimed to have voiceless /ƥ ƭ ƈ/, but they may actually be creaky-voiced implosives. [9]
The 2-D finite element mode of the front part of the midsagittal tongue can stimulate the air pressed release of an alveolar stop. [4] Alveolar consonants in children's productions have generally been demonstrated to undergo smaller vowel-related coarticulatory effects than labial and velar consonants, thus yielding consonant-specific patterns ...
Voiceless stops and affricates /p, t, k, tʃ/ are longer than their voiced counterparts /b, d, ɡ, dʒ/ when situated at the end of a syllable. Try comparing "cap" to "cab" or "back" to "bag". When a stop comes before another stop, the explosion of air only follows after the second stop, illustrated in words like "apt" [æp̚t] and "rubbed ...
All languages in the world have occlusives [2] and most have at least the voiceless stops [p], [t], [k] and the nasals [n], and [m].However, there are exceptions. Colloquial Samoan lacks the coronals [t] and [n], and several North American languages, such as the northern Iroquoian languages, lack the labials [p] and [m].