Phonemes can function as both vowels and consonants depending on context
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Linguistic reference sources indicate that certain phonemes, such as glides and syllabic consonants, share characteristics of both vowels and consonants or alternate between functions based on contextual phonological environments.
distinct consonants (as many as 21 in some analyses) and 5 distinct vowels, /a, e, i, o, u/. Phonetic length is contrastive for both vowels and consonants, and
Japanese phonology is the system of sounds used in the pronunciation of the Japanese language. Unless otherwise noted, this article describes the standard variety of Japanese based on the Tokyo dialect.
There is no overall consensus on the number of contrastive individual sounds (phonemes). Common approaches recognize at least 12 distinct consonants (as many as 21 in some analyses) and 5 distinct
Different linguists analyze the Japanese inventory of consonant phonemes in significantly different ways. Smith (1980) recognizes only 12 underlying consonants (/m p b n t d s dz r k ɡ h/), whereas Okada (1999) recognizes 16, equivalent to Smith's 12 plus the following 4 (/j w ts ɴ/), and Vance (2008) recognizes 21, equivalent to Smith's 12 plus the following 9 (/j w ts tɕ (d)ʑ ɕ ɸ N Q/). Consonants inside parentheses in the table can be analyzed as allophones of other phonemes, at least in native words. In loanwords, /ɸ, ts/ sometimes occur phonemically.
In some analyses, the glides/semivowels [j, w] are not interpreted as consonant phonemes. In non-loanword vocabulary, they generally occur only in the sequences [ja, jɯ, jo] and [wa], which are sometimes analyzed as rising diphthongs rather than as consonant-vowel sequences. Lawrence (2004) analyzes the glides as non-syllabic variants of the high vowel phonemes /i, u/, arguing that the use of [j, w] vs. [i, ɯ] may be predictable if both phonological and morphological context is taken into account.
sounds, which share characteristics of both vowels and consonants, are glides (also sometimes known as … are pronounced differently, depending on their grammatical function, as in: Ils parlent tous [tus] tous … share articulatory characteristics of both vowels and consonants, but which, unlike vowels, cannot stand
large number of vowel phonemes, and in addition the vowels of English differ considerably between dialects. Consequently, corresponding vowels may be transcribed
English phonology is the system of sounds used in spoken English. Like many languages, English has wide variation in pronunciation, both historically and from dialect to dialect. In general, however, the dialects of English around the world have largely similar (but not identical) phonological systems. Among other things, most dialects have vowel reduction in unstressed syllables and a complex set
schwa, [ə], as in COMMA and (in non-rhotic dialects) LETTER (COMMA–LETTER merger); also in many other positions such as about, photograph, paddock, etc. This sound is essentially restricted to unstressed syllables exclusively. In the approach presented here it is identified as a phoneme /ə/, although other analyses do not have a separate phoneme for schwa and regard it as a reduction or neutralization of other vowels in syllables with the lowest degree of stress.
r-colored schwa, [ɚ], as in LETTER in General American and some other rhotic dialects, which can be identified with the underlying sequence /ər/.
syllabic consonants: [l̩] as in bottle, [n̩] as in button, [m̩] as in rhythm. These may be phonemized either as a plain consonant or as a schwa followed by a consonant; for example button may be represented as /ˈbʌtn̩/ or /ˈbʌtən/ (see above under Consonants).
[ɨ̞], as in roses and making. This can be identified with the phoneme /ɪ/, although in unstressed syllables it may be pronounced more centrally, and for some speakers (particularly in Australian and New Zealand and some American English) it is merged with /ə/…
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