u Manners of articulation$ f9 C$ W4 d- ]$ Z, f2 U
l This refers to how the air stream is modified, whether it is completely blocked or partially obstructed.0 Y6 O' C7 Q6 I: t) P5 J D
n Stops: [p] [t] [d] [k] [g]
) y5 ^2 F3 n9 h# M2 D n Fricatives: [z] [F] [V] [f] [v] [W] [T] [h]
% M. _1 }1 A9 k p n Affricates: [tF] [dV]' V3 |# w% @+ s& T" L
n Liquids: [l] [r]
) F4 l6 s7 R3 g& y n Glides: [w] [j]/ ~1 A) |9 ^3 X* R, ]9 b4 |
n Nasals: [m] [n] [N]
/ ^: z6 V6 t' i! [9 x" I8 c u Voicing of articulation4 {1 c4 x6 N8 V5 L6 D
l This refers to the vibrating of the vocal cords when sounds are produced.
" \/ V8 A0 [' O2 u. u7 i- j n Voiced sounds
/ v% B' V. L: C% f& a- w$ i n Voiceless sounds' Z* R( W; u7 P5 `0 X3 D
n Description of English vowels
# Q* v6 [$ J& ^ T; \ u General feature: without obstruction
% ]6 O( r. E4 ?* t/ |/ {' ]! W" d u Criteria of vowel description# Z, V( {& v/ @
l Part of the tongue that is raised+ U. c9 R$ \, X- ~- i4 J
n Front
6 [( T Y' \: F$ V# f# W; V9 e. o9 V$ i5 ` n Central+ q/ Q3 W7 N' w3 _# q' |. B0 ]
n Back
; W, B/ [/ K) \& s l Extent to which the tongue rises in the direction of the palate
! n: [5 u; I: W8 M+ m& T) C: i n High# e: N9 V1 K8 _ t0 j$ L
n Mid
4 r2 g3 F8 c) K4 v, X* @! u n Low) t' Q, f- p3 p, E' Z
l Kind of opening made at the lips
* ]( Z' O( ]# u) ~2 ? x' F l Position of the soft palate. G+ @+ `8 j- s& X0 k$ _
u Single vowels (monophthongs) and diphthongs
6 {) j/ \& ]/ J+ _ l Phonetic features and natural classes
2 d1 x/ G, T# H" c. i" v; e, @ n Classes of sounds that share a feature or features are called natural classes.0 [- \! G" z1 k+ C( y
n Major class features can specify segments across the consonant-vowel boundary.% c( W9 n5 y6 ^( s5 M& w5 m3 @+ D
n Classification of segments by features is the basis on which variations of sounds can be analyzed. |