Thank you for your time! Please read carefully the following information before you start, even though you are used to doing such tests.
This test aims at evaluating the perception of the degree of mouth opening during the pronunciation of sustained vowels.
Before starting the test, please listen to the following sounds of the vowel /a/ pronounced with various degrees of mouth opening, from almost closed to wide open.
Please set the volume to a comfortable level.
level 1 : | |
level 2 : | |
level 3 : | |
level 4 : | |
level 5 : |
For each pair of recordings below (each line), select one button depending on which one seem to correspond to the higher degree of mouth opening.
The sounds used in this test are under Copyright © 2017 Ircam, Institut de recherche et coordination acoustique/musique.