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Phonology, as one of the central fields of linguistics, is the study of the system speakers use to represent language; this includes units of sound in a spoken language and hand movements in a sign language.[1] Although there are potentially infinitely many ways of producing a sound or moving a hand, phonologists are interested only in how these group into abstract categories: for example, how and why speakers of many languages perceive the difference between [l] and [r] as nonsignificant,[2] whereas others consider them distinct enough to distinguish different words.[3] Phonology also goes beyond differences between individual sounds, involving topics such as syllable structure, stress, accent and intonation.
One task in phonology is to identify distinctive units within a language. For example, in English, the words pin and bin seem to each consist of three segments, with only the first differing. Phonologists may refer to these first units as different phonemes, and the contrast between /p/ and /b/ as phonemic - the two words are a minimal pair differing by only one phoneme. In pin and spin, on the other hand, though the two p sounds are phonetically rather different, English speakers would consider them the same /p/ phoneme. In other languages, for example Thai and Quechua, this same difference of aspiration versus non-aspiration is phonemic, and therefore speakers will consider them to be significantly different. Though most phonologists no longer consider phonemes to be psychologically 'real', they remain in phonological study as a kind of shorthand for referring to more complex phonological representations that more adequately explain how such examples differ.[4]
Phonetics focuses on the physical sounds of speech, and thus it often informs phonological inquiry by showing how pronunciations are related.[5] However, since this sort of inquiry does not primarily concern itself with the study of abstract patterns in language, phoneticians' work usually complements linguistics, rather than constituting a central component.
Most writing systems, such as the Roman alphabet used for English, represent phonology in some way, such as the letter b indicating the phoneme /b/, though this relationship is often inexact. This relationship between reading and phonological knowledge is of concern to linguists interested in orthography (written language), language acquisition specialists, and educators concerned with developing literacy.[6]
Topics in phonology
Syllables
- Main article: Syllable
Native speakers of many languages may well have certain intuitions about how many 'beats' there are in a given word; for example, most English speakers would agree that there are two 'syllables' in the word butter but only one in but. That such phonological intuitions exist is one reason for phonologists to want to find about what syllables are; another reason is that assuming their existence explains a good deal about the way sounds and signs pattern in language.
Syllables cannot be defined through reference to breathing or articulatory movements; they are abstract, phonological units rather than a physical phenomenon. Syllables do not easily correspond to muscular contractions, for instance; nor do they correlate well with predictable changes in pitch.[7] Initially, defining syllables was such a difficult task that early generative phonology ignored it; only in the 1970s and 1980s was a serious reanalysis attempted.[8]
Since the syllable was reintroduced to phonological theory, it has come to be seen as essential in defining the behaviour of segments and stress in many languages. For instance, predicting whether a British English /l/ will be velarised or not is difficult without referring to positions within the syllable: if an [l] forms part of the rhyme of the syllable (the component containing the vowel or syllabic consonant) it will be velarised; if it is part of the onset (the initial part of the syllable), then it will not.[9] The syllable is one of the mechanisms that organise the order and positioning of segments.
Word stress-
Theories of phonology- Generative phonology- Autosegmental phonology- Optimality theory- Government phonology- Natural phonology-
Footnotes
- ↑ Signs are distinguished from gestures, such as waving at someone in greeting, in that the latter are non-linguistic or supply extra meaning alongside the linguistic message.
- ↑ Symbols in square brackets represent speech sounds using the International Phonetic Alphabet; slanting brackets, as in /kæt/ 'cat', are used to represent phonemes - distinct, abstract units that may represent several sounds.
- ↑ Japanese has a single phoneme /r/ to represent l and r, while English contains two, i.e. /l/ and /r/.
- ↑ See Chomsky & Halle (1968) for the first major work that abandoned the phoneme as a true unit of phonology, in favour of more abstract phonological features.
- ↑ Phonetics also studies speech perception (how the brain discerns sounds) and acoustics (the physical qualities of sounds as movement through air), as well as articulation (sound production through the movements of the lungs, tongue, etc.).
- ↑ See for example Frost & Katz (1992); Young-Scholten (2002); Connor et al. (2007).
- ↑ See Laver (1994: 114); Davenport & Hannahs (2005: 73-74).
- ↑ Chomsky & Halle (1968) do not use the syllable; it was reintroduced gradually as a segment-based boundary-creation rule (Hooper, 1972), then later as a full unit of phonological organisation (Selkirk, 1984).
- ↑ Without the syllable, a set of untidy rules is required to explain the distribution of what are called 'clear' and 'dark' (velarised) l: the dark l appears word-finally (pal, panel) and before a consonant (hold), except before [j] (Italian); otherwise, clear l appears.
References
- Chomsky N & Halle M (1968) The Sound Pattern of English. New York: Harper & Row. ISBN 978-0262530972.
- Connor CM, Morrison FJ, Fishman BJ, Schatschneider C & Underwood P (2007) 'The early years: algorithm-guided individualized reading instruction.' Science 315: 464-465.
- Davenport M & Hannahs SJ (2005) Introducing Phonetics and Phonology. London: Arnold. ISBN 0-340-81045-9.
- Frost R & Katz L (eds) (1992) Orthography, Phonology, Morphology and Meaning. Amsterdam: Elsevier. ISBN 978-0-444-89140-2.
- Hooper JB (1972) 'The syllable in phonological theory.' Language 48: 525-540.
- Laver J (1994) Principles of Phonetics. Cambridge: Cambridge University Press. ISBN 978-0521456555.
- Selkirk EO (1984) On the major class features and syllable theory. In Aronoff M & Oerhle RT (eds) Language Sound Structure. Cambridge, MA: MIT Press. pp.107-136. ISBN 978-0262010740.
- Young-Scholten M (2002) Orthographic input in L2 phonological development. In Burmeister P, Piske T & Rohde A (eds) An Integrated View of Language Development: Papers in Honor of Henning Wode. Trier: Wissenschaftlicher Verlag Trier. pp.263-279. ISBN 3-88476-488-8.