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Voiced postalveolar fricative
Consonantal sound often represented by ⟨ʒ⟩ in IPA From Wikipedia, the free encyclopedia
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The voiced postalveolar or palato-alveolar fricative is a type of consonantal sound used in some spoken languages. The International Phonetic Association uses the term voiced postalveolar fricative only for the sound [ʒ],[1] but it also describes the voiced postalveolar non-sibilant fricative [ɹ̠˔], for which there are significant perceptual differences, as one is a sibilant and one is not.
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Voiced palato-alveolar fricative
Summarize
Perspective
The voiced palato-alveolar fricative or voiced domed postalveolar fricative is a type of consonantal sound, used in some spoken languages.
Transcription
The symbol in the International Phonetic Alphabet that represents this sound is the lower case form of the letter Ezh ⟨Ʒ ʒ⟩ (/ɛʒ/ ⓘ), and the equivalent X-SAMPA symbol is Z. An alternative symbol used in some older and American linguistic literature is ⟨ž⟩, a z with a caron. In some transcriptions of alphabets such as the Cyrillic, the sound is represented by the digraph ⟨zh⟩.
Although present in English, the sound is not represented by a specific letter or digraph, but is formed by yod-coalescence of [z] and [j] in words such as measure. It also appears in some loanwords, mainly from French (thus written with ⟨g⟩ and ⟨j⟩).
It occurs as a borrowed phoneme in a number of languages under the influence of French, Persian or Slavic languages, as in the Germanic languages (Dutch, English, German and Luxembourgish), the Romance languages (Italian, and Romanian), the Turkic languages (Azerbaijani, Bashkir, Turkish, and Uyghur), and the Uralic languages (Estonian and Hungarian), Breton and Maltese.[2] The phoneme has the lowest consonant frequency in both English and Persian.[3]
The sound occurs in many languages and, as in English and French, may have simultaneous lip rounding ([ʒʷ]), although this is rarely indicated in transcription.
Features
Features of the voiced palato-alveolar fricative:
- Its manner of articulation is sibilant fricative, which means it is generally produced by channeling air flow along a groove in the back of the tongue up to the place of articulation, at which point it is focused against the sharp edge of the nearly clenched teeth, causing high-frequency turbulence.
- Its place of articulation is postalveolar, which means it is articulated with the tip or blade of the tongue behind the alveolar ridge.
- Its phonation is voiced, which means the vocal cords vibrate during the articulation.
- It is an oral consonant, which means that air is exclusively allowed to escape through the mouth.
- It is a central consonant, which means it is produced by directing the airstream along the center of the tongue, rather than to the sides.
- Its airstream mechanism is pulmonic, which means it is articulated by pushing air solely with the intercostal muscles and abdominal muscles, as in most sounds.
Occurrence
The sound in Russian denoted by ⟨ж⟩ is commonly transcribed as a palato-alveolar fricative but is actually a laminal retroflex fricative.
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Voiced postalveolar non-sibilant fricative
Summarize
Perspective
The voiced postalveolar non-sibilant fricative is a consonantal sound. As the International Phonetic Alphabet does not have separate symbols for the post-alveolar consonants (the same symbol is used for all coronal places of articulation that are not palatalized), this sound is usually transcribed ⟨ɹ̠˔⟩ (retracted constricted [ɹ]). The equivalent X-SAMPA symbol is r\_-_r.
Features
- Its manner of articulation is fricative, which means it is produced by constricting air flow through a narrow channel at the place of articulation, causing turbulence. However, it does not have the grooved tongue and directed airflow, or the high frequencies, of a sibilant.
- Its place of articulation is postalveolar, which means it is articulated with either the tip or the blade of the tongue behind the alveolar ridge.
- Its phonation is voiced, which means the vocal cords vibrate during the articulation.
- It is an oral consonant, which means that air is exclusively allowed to escape through the mouth.
- It is a central consonant, which means it is produced by directing the airstream along the center of the tongue, rather than to the sides.
- Its airstream mechanism is pulmonic, which means it is articulated by pushing air solely with the intercostal muscles and abdominal muscles, as in most sounds.
Occurrence
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See also
Notes
References
External links
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