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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.
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 .
Standard Tibetan, for example, has a voiceless /l̥/ in Lhasa, which sounds similar to but is less noisy than the voiceless lateral fricative /ɬ/ in Welsh; it contrasts with a modally voiced /l/. Welsh contrasts several voiceless sonorants: /m, m̥/, /n, n̥/, /ŋ, ŋ̊/, and /r, r̥/, the last represented by "rh".
In standard English, the phonetic realization of the two dental fricative phonemes shows less variation than many other English consonants. Both are pronounced either interdentally, with the blade of the tongue resting against the lower part of the back of the upper teeth and the tip protruding slightly, or with the tip of the tongue against the back of the upper teeth.
The voiceless dental non-sibilant fricative is a type of consonantal sound used in some spoken languages.It is familiar to most English speakers as the 'th' in think.Though rather rare as a phoneme among the world's languages, it is encountered in some of the most widespread and influential ones.
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.
The dental fricative or interdental fricative is a fricative consonant pronounced with the tip of the tongue pressing under the teeth. [1] There are several types (those used in English being written as th):
All normally spoken vowels are voiced, as are all other sonorants except h, as well as some of the remaining sounds (b, d, g, v, z, zh, j, and the th sound in this). All the rest are voiceless sounds, with the vocal cords held far enough apart that there is no vibration; however, there is still a certain amount of audible friction, as in the ...