Everything about Trill Consonant totally explained
In
phonetics, a
trill is a
consonantal sound produced by vibrations between the articulator and the
place of articulation.
Standard Spanish <
rr> as in
perro is an
alveolar trill, while in
Parisian French it's almost always
uvular.
Trills are very different from
flaps. Whereas with a flap (or tap), a specific gesture is used to strike the active articulator against the passive one, in the case of a trill the articulator is held in place, where the airstream causes it to vibrate. Usually a trill vibrates for 2-3
periods, but may be up to 5, or even more if
geminate. However, trills may also be produced with only a single period. While this might seem like a flap, the articulation is different; trills will vary in the number of periods, but flaps do not.
Trill consonants included in the
International Phonetic Alphabet:
The bilabial trill is uncommon. The coronal trill is most frequently
alveolar [r͇], but
dental and
postalveolar articulations [r̪] and [r̠] also occur. An alledged
retroflex trill found in
Toda has been transcribed [ɽ] (that is, the same as the
retroflex flap), but might be less ambiguously written [ɽ͡r], as only the onset is retroflex, with the actual trill being alveolar. One other trill has been reported, an
epiglottal trill.
Epiglottal consonants are often
allophonically trilled, and in some languages the trill is the primary realization of the consonant. There is no official symbol for this in the IPA, but occasionally [я] has been used in the literature. There are also so-called
strident vowels which are accompanied by epiglottal trill.
The cells in the IPA chart for the
velar and
pharyngeal places of articulation are shaded. A velar trill is possible because the middle of the tongue and walls of the throat are insufficiently flexible to vibrate in such a manner. A palatal trill is impractically difficult, if not actually impossible. The glottis quite readily vibrates, but this occurs as the
phonation of vowels and consonants, not as a consonant of its own.
The
Czech language has two contrastive alveolar trills (written
ř and
r in the orthography). In one of these
(ř) the tongue is raised, so that there's audible
frication during the trill, sounding rather like a simultaneous [r] and [ʐ]. A symbol for this sound, [ɼ], has been dropped from the IPA, and it's now generally transcribed as a raised
r, [r̝].
Liangshan (Cool Mountain)
Yi has two "buzzed" or fricative vowels, written
ṳ, i̤, which may also be trilled, [ʙ̝], [r̝].
The
Chapakuran language
Wari’ and the
Muran language
Pirahã have a very unusual trilled phoneme, a
voiceless bilabially trilled affricate with dental onset, [t̪͡ʙ̥].
A
linguolabial trill [r̼] isn't known to be used phonemically, but is occurs when
blowing a raspberry.
Further Information
Get more info on 'Trill Consonant'.
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