ɑ

/ɑ/

Open back unrounded vowel (Script A)

Instructions:

Height: Low (open)

Backness: Back

Roundedness: Unrounded

Note: Used as Cardinal Vowel 5, in which case it is defined as the maximally open and back unrounded vowel articulation which can be produced.

Source Notes URL
ArticulatoryIPA

Ultrasound

Ultrasound – half-speed

http://www.youtube.com/watch?v=kkOEKID3g7U

http://www.youtube.com/watch?v=mEG3BN46eE0

http://www.youtube.com/watch?v=wLXiiWEL8Qs

http://www.youtube.com/watch?v=BN3M6HEZOaQ

Ken Stevens (1962) X-Ray

http://www.youtube.com/watch?v=DcNMCB-Gsn8&list=PLDC5CFA68CD4AD861#t=0m11s

http://linguistics.berkeley.edu/acip/course/chapter3/x_ray.html

University of South California MRI; with noise http://sail.usc.edu/span/videos/dai.mov
SpeechTrainer.de (Youtube) Animation http://www.youtube.com/watch?v=XvFdN1_3Bn4