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The XiNkuna dialect of [[Tsonga language|Tsonga]] features a pair of affricates as phonemes. In some other languages, such as [[Xhosa language|Xhosa]], affricates may occur as allophones of the fricatives. These differ from the [[German language|German]] [[voiceless labiodental affricate]] <pf>, which commences with a [[voiceless bilabial stop|bilabial p]]. All these affricates are rare sounds.{{cn|reason=This can't include the last example, since in German they are not rare.|date=November 2020}} |
The XiNkuna dialect of [[Tsonga language|Tsonga]] features a pair of affricates as phonemes. In some other languages, such as [[Xhosa language|Xhosa]], affricates may occur as allophones of the fricatives. These differ from the [[German language|German]] [[voiceless labiodental affricate]] <pf>, which commences with a [[voiceless bilabial stop|bilabial p]]. All these affricates are rare sounds.{{cn|reason=This can't include the last example, since in German they are not rare.|date=November 2020}} |
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The stops are not confirmed to exist as separate [[phoneme]]s in any language. They are sometimes written as ''ȹ ȸ'' ''(qp'' and ''db'' [[Typographic ligature|ligature]]s). They may also be found in children's speech or as speech impediments<ref>{{Cite journal |last1=A |first1=Hesketh |last2=E |first2=Dima |last3=V |first3=Nelson |date=2007 |title=Teaching phoneme awareness to pre-literate children with speech disorder: a randomized controlled trial |url=https://pubmed.ncbi.nlm.nih.gov/17514541/ |journal=International Journal of Language & Communication Disorders |language=en |volume=42 |issue=3 |pages=251–271 |doi=10.1080/13682820600940141 |issn=1368-2822 |pmid=17514541}}</ref> |
The stops are not confirmed to exist as separate [[phoneme]]s in any language. They are sometimes written as ''ȹ ȸ'' ''(qp'' and ''db'' [[Typographic ligature|ligature]]s). They may also be found in children's speech or as speech impediments.<ref>{{Cite journal |last1=A |first1=Hesketh |last2=E |first2=Dima |last3=V |first3=Nelson |date=2007 |title=Teaching phoneme awareness to pre-literate children with speech disorder: a randomized controlled trial |url=https://pubmed.ncbi.nlm.nih.gov/17514541/ |journal=International Journal of Language & Communication Disorders |language=en |volume=42 |issue=3 |pages=251–271 |doi=10.1080/13682820600940141 |issn=1368-2822 |pmid=17514541}}</ref> |
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=={{vanchor|Dentolabial}} consonants== |
=={{vanchor|Dentolabial}} consonants== |
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Find sources: "Labiodental consonant" – news · newspapers · books · scholar · JSTOR (December 2014) (Learn how and when to remove this message) |
Inphonetics, labiodentals are consonants articulated with the lower lip and the upper teeth.
The labiodental consonants identified by the International Phonetic Alphabet are:
| IPA | Description | Example | |||
|---|---|---|---|---|---|
| Language | Orthography | IPA | Meaning | ||
| p̪ | voiceless labiodental plosive | Greek | σάπφειρος | [ˈsap̪firo̞s̠] | 'sapphire' |
| b̪ | voiced labiodental plosive | Sika | [example needed] | ||
| p̪͡f | voiceless labiodental affricate | Tsonga | timpfuvu | [tiɱp̪͡fuβu] | 'hippos' |
| b̪͡v | voiced labiodental affricate | Tsonga | shilebvu | [ʃileb̪͡vu] | 'chin' |
| ɱ | labiodental nasal | English | symphony | [ˈsɪɱfəni] | |
| f | voiceless labiodental fricative | English | fan | [fæn] | |
| v | voiced labiodental fricative | English | van | [væn] | |
| ʋ | labiodental approximant | Dutch | wang | [ʋɑŋ] | 'cheek' |
| ⱱ | labiodental flap | Mono | vwa | [ⱱa] | 'send' |
| ʘ̪ | labiodental click release (many different consonants) | Nǁng | ʘoe | [k͡ʘ̪oe] | 'meat' |
The IPA chart shades out labiodental lateral consonants.[1] This is sometimes read as indicating that such sounds are not possible. In fact, the fricatives [f] and [v] often have lateral airflow, but no language makes a distinction for centrality, and the allophony is not noticeable.
The IPA symbol ɧ refers to a sound occurring in Swedish, officially described as similar to the velar fricative [x], but one dialectal variant is a rounded, velarized labiodental, less ambiguously rendered as [fˠʷ]. The labiodental click is an allophonic variant of the (bi)labial click.
The only common labiodental sounds to occur phonemically are the fricatives and the approximant. The labiodental flap occurs phonemically in over a dozen languages, but it is restricted geographically to central and southeastern Africa (Olson & Hajek 2003). With most other manners of articulation, the norm are bilabial consonants (which together with labiodentals, form the class of labial consonants).
[ɱ] is quite common, but in all or nearly all languages in which it occurs, it occurs only as an allophoneof/m/ before labiodental consonants such as /v/ and /f/. It has been reported to occur phonemically in a dialect of Teke, but similar claims in the past have proven spurious.
The XiNkuna dialect of Tsonga features a pair of affricates as phonemes. In some other languages, such as Xhosa, affricates may occur as allophones of the fricatives. These differ from the German voiceless labiodental affricate <pf>, which commences with a bilabial p. All these affricates are rare sounds.[citation needed]
The stops are not confirmed to exist as separate phonemes in any language. They are sometimes written as ȹ ȸ (qp and db ligatures). They may also be found in children's speech or as speech impediments.[2]
Dentolabial consonants are the articulatory opposite of labiodentals: They are pronounced by contacting lower teeth against the upper lip. They are rare cross-linguistically, likely due to the prevalence of dental malocclusions (especially retrognathism) that make them difficult to produce,[original research?] though one allophoneofSwedish /ɧ/ has been described as a velarized dentolabial fricative,[citation needed] and the voiceless dentolabial fricative is apparently used in some of the southwestern dialects of Greenlandic (Vebæk 2006).
The diacritic for dentolabial in the extensions of the IPA for disordered speech is a superscript bridge, ⟨◌͆⟩, by analogy with the subscript bridge used for labiodentals: ⟨m͆ p͆ b͆ f͆ v͆⟩. Complex consonants such as affricates, prenasalized stops and the like are also possible.
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