Voiceless Bilabial Plosive

IPA - Unicode>
align="center" style="font-size: 24px"|
IPA - image align="center"|
X-SAMPA align="center"|p
Kirshenbaum align="center"|p
colspan="2"|Sound sample
The voiceless bilabial plosive is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is , and the equivalent X-SAMPA symbol is p. The voiceless bilabial plosive in English is spelled with 'p', as in pit or speed. Features of this consonant:

Varieties of the voiceless bilabial plosive

IPA !! Description
style="font-size:24px" align="center"| plain p
style="font-size:24px" align="center"| aspirated p
style="font-size:24px" align="center"| palatalized p
style="font-size:24px" align="center"| labialized p
style="font-size:24px" align="center"| unreleased p
style="font-size:24px" align="center"| voiced p
style="font-size:24px" align="center"| ejective p

In English

English has both aspirated and plain p, but they are allophones. When p occurs at the beginning of a word or a stressed syllable, like in print, support, or potato, then it is always aspirated. When it occurs at the beginning of an unstressed syllable that isn't at the beginning of a word, like in occupant, vapid, or keeper, then it is always unaspirated. When p occurs in a consonant cluster following s, like in spin, sprain, or suspend, then it is always unaspirated. When it occurs at the end of a word, like in tip, wasp, or telescope, then it is usually unaspirated, and if the word is at the end of an utterance, then the p is often unreleased.

In other languages

The p sound is a very common sound cross-linguistically. Most languages have at least a plain p, and some distinguish more than one variety. Many Indian languages, such as Hindi, have a two-way contrast between aspirated and plain p.

Georgian

Georgian has aspirated and ejective p. They are distinct phonemes, not allophones. Aspirated p is spelled with ფ. Ejective p is spelled with პ .

German

As in English, in German, plain and aspirated p are allophones.

Greek

In Ancient Greek, plain and aspirated p were separate phonemes, represented by the letters pi (π) and phi (φ) respectively. In Modern Greek there is no aspirated p, phi having come to be pronounced f.

 

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