z

/z/

Voiced Alveolar Fricative (Lower-case Z)

Instructions:

Point of articulation: alveolar ridge

Articulator: tip of the tongue

Manner of Articulation: Fricative: The articulator makes a narrow constriction against the point of articulation, so when the air flow goes through the oral passage, frication noise is heard.

Voice: voiced – Vocal folds are close and are vibrating.

Source Notes URL
ArticulatoryIPA

MRI

Ultrasound

Ultrasound – half-speed

http://www.youtube.com/watch?v=lQsur-1Ri60

http://www.youtube.com/watch?v=kN4OC_EiYMA

Ken Stevens (1962) X-Ray

http://www.youtube.com/watch?v=DcNMCB-Gsn8&list=PLDC5CFA68CD4AD861#t=0m15s

University of South California MRI; with noise http://sail.usc.edu/span/videos/zai.mov/a>
SpeechTrainer.de (Youtube) Animation; intervocalic token http://www.youtube.com/watch?v=C2dHZnNHTdQ