Phoneme: Difference between revisions
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A '''phoneme''' is | A '''phoneme''' is a unit of [[language]] that can distinguish [[word]]s or [[syllable]]s, such as /b/ versus /m/ in [[English language|English]] ''bat'' and ''mat''. It is often considered the smallest unit of language that can serve this purpose, but others have been proposed. It is of interest in the subfield of [[linguistics]] called [[phonology]]. In oral languages, phonemes are regarded as the individual 'sounds', or groups of sounds, of the language, corresponding very roughly to the sounds of the [[letter (alphabet)|letters]] of an [[alphabet]]. The concept of the phoneme is used in understanding [[sign language]]s as well. The existence of phonemes is generally assumed in many fields of linguistics and [[education]], but it has been rejected as a true unit of analysis in mainstream phonology since the publication of [[Noam Chomsky|Chomsky]] and [[Morris Halle|Halle]]'s ''[[The Sound Pattern of English]]'' in 1968. | ||
Phonemes are not the smallest level of sound classification. The sound inventory of a language is the set of [[phone (phonetics)|phone]]s of that language. However, phones do not distinguish meaning in themselves. What makes a phoneme a phoneme, and not a phone, is that changing it to another phoneme may yield a different word. For instance, /mat/ ("mat") and /mad/ ("mad") are different words of English, distinguished by the /t/ and /d/ phonemes. On the other hand, the phoneme /t/ can be pronounced as one of several distinct phones ([t] ([[aspiration|unaspirated]]) and [t<sup>h</sup>] (aspirated t)), called the [[allophone]]s of /t/. The choice of allophone depends on the context surrounding the /t/ and the phonological rules in the language ([t<sup>h</sup>], for example, occurs initially in English stressed syllables, e.g. [ə.t<sup>h</sup>æk] ''attack''). As a result, changing between allophones (such as saying [tom] vs [t<sup>h</sup>om]) would not yield a new word, as above, but instead would be a violation of the phonological grammar of the language. | Phonemes are not the smallest level of sound classification. The sound inventory of a language is the set of [[phone (phonetics)|phone]]s of that language. However, phones do not distinguish meaning in themselves. What makes a phoneme a phoneme, and not a phone, is that changing it to another phoneme may yield a different word. For instance, /mat/ ("mat") and /mad/ ("mad") are different words of English, distinguished by the /t/ and /d/ phonemes. On the other hand, the phoneme /t/ can be pronounced as one of several distinct phones ([t] ([[aspiration|unaspirated]]) and [t<sup>h</sup>] (aspirated t)), called the [[allophone]]s of /t/. The choice of allophone depends on the context surrounding the /t/ and the phonological rules in the language ([t<sup>h</sup>], for example, occurs initially in English stressed syllables, e.g. [ə.t<sup>h</sup>æk] ''attack''). As a result, changing between allophones (such as saying [tom] vs [t<sup>h</sup>om]) would not yield a new word, as above, but instead would be a violation of the phonological grammar of the language. | ||
Revision as of 22:02, 11 July 2009
A phoneme is a unit of language that can distinguish words or syllables, such as /b/ versus /m/ in English bat and mat. It is often considered the smallest unit of language that can serve this purpose, but others have been proposed. It is of interest in the subfield of linguistics called phonology. In oral languages, phonemes are regarded as the individual 'sounds', or groups of sounds, of the language, corresponding very roughly to the sounds of the letters of an alphabet. The concept of the phoneme is used in understanding sign languages as well. The existence of phonemes is generally assumed in many fields of linguistics and education, but it has been rejected as a true unit of analysis in mainstream phonology since the publication of Chomsky and Halle's The Sound Pattern of English in 1968.
Phonemes are not the smallest level of sound classification. The sound inventory of a language is the set of phones of that language. However, phones do not distinguish meaning in themselves. What makes a phoneme a phoneme, and not a phone, is that changing it to another phoneme may yield a different word. For instance, /mat/ ("mat") and /mad/ ("mad") are different words of English, distinguished by the /t/ and /d/ phonemes. On the other hand, the phoneme /t/ can be pronounced as one of several distinct phones ([t] (unaspirated) and [th] (aspirated t)), called the allophones of /t/. The choice of allophone depends on the context surrounding the /t/ and the phonological rules in the language ([th], for example, occurs initially in English stressed syllables, e.g. [ə.thæk] attack). As a result, changing between allophones (such as saying [tom] vs [thom]) would not yield a new word, as above, but instead would be a violation of the phonological grammar of the language.