Natural Phonotonetics

Vocoids

The vocoids articulable in the human oral tract are set out in the vowel quadrilateral, or vocogram, given here as a table. A diacritic can be placed beneath any glyph to pin the articulation down more precisely.

Table 1. Table of vocoids.
0123456789
Aiɨɯшүyʉμu
Bɪιчʏᵿɷʊ
Ceɘəɤøɵo
Dɞσ
Eɛ𐐺ɐœʚɔ
FæaɑŒɶϭ@ɒ

Intonation

Diagram of the protune and tune of an intonation contour
Figure 1. The structure of an intonation contour.
ProtuneTune
a–b: antetonic
c, f, i: protonic
d–e, g–h, j: intertonic
A: pretonic
B: tonic
C–D: post-tonic

British English

Intonation contours for British English
Figure 2. Intonation contours for British English.