logo

MATE Deliverable D1.1

Supported Coding Schemes

 

IPA

The IPA (International Phonetic Alphabet) has a set of symbols for the representation of suprasegmental elements. On the occasion of the Kiel convention in 1989 a working group on Suprasegmental Categories coordinated by Gösta Bruce was set up [Bruce 88, 89]. It was concluded that additions were needed to represent suprasegmentals within the IPA framework.
The symbols of the IPA, including those referred to the transcription of suprasegmentals, are available at: http://www.arts.gla.ac.uk/IPA/ipachart.htm

Coding book:

[Bruce 89] provides a description of the scheme.

Applications:

Information not available.

Evaluation:

Information not available.

Purpose and underlying approach:

The scheme was designed to provide an extension of the IPA phonetic alphabet to suprasegmental phenomena.

List of phenomena annotated:

The IPA alphabet includes symbols for transcription of prosodic boundaries, prosodic phenomena and phonetic cues of prosody

Prosodic boundaries.

.

Syllable break

|

Minor (foot) group

||

Major (intonation) group

Linking (absence of a break)

Prosodic phenomena:

>

Primary stress

,

Secondary stress

Phonetic cues:

:

Long

'

Half-long

&

Extra-short

ä

Extra high

ë

High

ï

Mid

ö

Low

ü

Extra low

b) Contours

For the transcription of F0 variations using a contour approach, IPA suggests a series of symbols, although the set presented in the IPA chart does not seem to be exhaustive:

Ë

Rising

Ü

Falling

ÿ

High rising

Low rising

Ö

High falling

Ÿ

Low falling

Rising-falling

c) Global F0 variations

In the case of global F0 variations, the IPA phonetic alphabet provides some symbols to transcribe downstep and upstep, as well as global rises and falls:

õ

Downstep

ã

Upstep

Ã

Global rise

Õ

Global fall

Examples:

Information not available.

Markup language:

Symbols are inserted in the phonetic transcription.

Annotation tools:

Information not available.