Autosegmental phonology

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The autosegmental formalism departs from the depiction of segments as matrices of features in order to show segments as connected groups of individual features. The behavior of contour tones in many languages also falls into place when the contours are broken down into sequences of level tones on an independent level or representation. One-to-many associations and spreading onto adjacent elements are characteristic of tone but not confined to it.

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Autosegmental phonology

Its immediate source of inspiration was the work of Williams and Leben ; these were the first to introduce non-linear structures into generative phonology in their treatments of tone systems in West African languages such as Margi, Igbo and Mende. Autosegmenatl stress tier contains the features that show the distribution of stress in the phonological representation.

If you are a student or academic complete our librarian recommendation form to recommend the Oxford Research Encyclopedias to your librarians for an institutional free trial. In this conception, which draws upon earlier research in Metrical Phonology and Prosodic Phonology.

But the single most compelling aspect of the early autosegmental model was a natural account of tone spreading, a very common process that was only awkwardly captured by rules of whatever sort. Views Read Edit View history. Segments are depicted through vertical listings of features connected by lines.

What is a Autosegmental Phonology | SIL Glossary of Linguistic Terms

There is a close relationship between analysis of segments into distinctive features and an autowegmental analysis; each feature in a language appears on exactly one tier. Oxford Research Encyclopedias Linguistics. The behavior of contour tones in many languages also falls into place when the contours are broken down into sequences of level tones on an independent level or representation.

In the autosegmental formalism, this is depicted by placing the binary subfeature at a horizontal offset from the unary feature and connecting them with a line. From Wikipedia, the free encyclopedia.

The timing tier contains timing units that define the lengths of segments in the phonological representation.

This page was last edited on 22 Juneat Autosegments were introduced uatosegmental John Goldsmith in his M. A few years later, John McCarthy proposed an important development by showing that the derivation of words from consonantal roots in Arabic could be analyzed autosegmentally. Clements developed a number of influential aspects of the theory involving harmonic processes, especially vowel harmony and nasal harmony, and John McCarthy generalized the theory to deal with the conjugational system of classical Arabicon the basis of an autosegmental account of vowel and consonant slots on a central timing tier see also nonconcatenative morphology.

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By using this site, you agree to the Terms of Use and Privacy Policy. In these situations, it is necessary auyosegmental include the presence of the feature, but not to specify its value. Rather than classify segments using the categories given in the International Phonetic Alphabetthe autosegmental formalism makes use of distinctive features, which provide greater granularity and make identification of natural classes easier.

Many of the most interesting predictions of the autosegmental model derive from the automatic effects of the Well-formedness Autosegmebtal and their independence of language-particular rules.

Autosegmental phonology was initially developed in response to the challenge of developing an adequate theory of tone. Using it for such rules makes the relationship between the result of the rule and autosegmebtal environment obvious. The principal innovation of autosegmental phonology, as presented in Goldsmithwas the idea that tone mapping rules do not merge tonal and segmental representations, but associate their elements by means of formal entities known as Association Lines.

Autosegmental Phonology - Oxford Research Encyclopedia of Linguistics

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The Autosegmental Framework 3. Clear examples of the usefulness of autosegmental analysis came in early work from the detailed study of African tone languagesas well as the study of vowel and nasal harmony systems. These sets can also underspecify in order to indicate a phonologgy rather than a single segment. For unary features to be fully specified, it is necessary to include binary subfeatures autosegmehtal correspond to them.

The autosegmental formalism deals with several separate linear sequences; because of this, a phonological representation is depicted on several distinct tiers. March Learn how and when to remove this template message.

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