The International Phonetic Alphabet, or IPA, is an alphabetic system of phonetic notation based primarily on the

Latin alphabet The Latin alphabet or Roman alphabet is the collection of letters originally used by the ancient Romans to write the Latin language. Largely unaltered with the exception of extensions (such as diacritics), it used to write English and the ...

. It was devised by the

International Phonetic Association The International Phonetic Association (IPA; French: ', ''API'') is an organization that promotes the scientific study of phonetics and the various practical applications of that science. The IPA's major contribution to phonetics is the Interna ...

as a standardized representation of the sounds of spoken language.International Phonetic Association. (1999). ''Handbook of the International Phonetic Association: A guide to the use of the International Phonetic Alphabet''. Cambridge: Cambridge University Press. In the IPA, non-pulmonic consonants are sounds whose airflow is not dependent on the lungs. These include clicks (found in the

Khoisan languages The Khoisan languages (; also Khoesan or Khoesaan) are a group of African languages originally classified together by Joseph Greenberg. Khoisan languages share click consonants and do not belong to other African language families. For much o ...

and some neighboring

Bantu languages The Bantu languages (English: , Proto-Bantu: *bantʊ̀) are a large family of languages spoken by the Bantu people of Central, Southern, Eastern africa and Southeast Africa. They form the largest branch of the Southern Bantoid languages. T ...

of Africa),

implosives Implosive consonants are a group of stop consonants (and possibly also some affricates) with a mixed glottalic ingressive and pulmonic egressive airstream mechanism.''Phonetics for communication disorders.'' Martin J. Ball and Nicole Müller. ...

(found in languages such as Sindhi,

Hausa Hausa may refer to: * Hausa people, an ethnic group of West Africa * Hausa language, spoken in West Africa * Hausa Kingdoms, a historical collection of Hausa city-states * Hausa (horse) or Dongola horse, an African breed of riding horse See also ...

Swahili Swahili may refer to: * Swahili language, a Bantu language official in Kenya, Tanzania and Uganda and widely spoken in the African Great Lakes * Swahili people, an ethnic group in East Africa * Swahili culture Swahili culture is the culture of ...

and Vietnamese), and

ejectives In phonetics, ejective consonants are usually voiceless consonants that are pronounced with a glottalic egressive airstream. In the phonology of a particular language, ejectives may contrast with aspirated, voiced and tenuis consonants. So ...

(found in many

Amerindian The Indigenous peoples of the Americas are the inhabitants of the Americas before the arrival of the European settlers in the 15th century, and the ethnic groups who now identify themselves with those peoples. Many Indigenous peoples of the A ...

and

Caucasian languages The Caucasian languages comprise a large and extremely varied array of languages spoken by more than ten million people in and around the Caucasus Mountains, which lie between the Black Sea and the Caspian Sea. Linguistic comparison allows th ...

). Ejectives occur in about 20% of the world's languages, implosives in roughly 13%, and clicks in very few. In the audio samples below, the consonants are pronounced with the vowel for demonstration.

References

{{reflist International Phonetic Alphabet