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Supports multi-touch control on mobile.
- Sound is generated in the glottis (at the bottom left) then filtered by the shape of the vocal tract. The voicebox controls the pitch and intensity of the initial sound.
Then, to talk:
- move the body of the tongue to shape vowels
- touch the oral cavity to narrow it, for fricative consonants
- touch above the oral cavity to close it, for stop consonants
- touch the nasal cavity to open the velum and let sound flow through the nose.