Most regular speakers we know have a vibrating cone-shaped diaphragm, but if you try using those, it doesn't work. The key here is that the Sonovox speakers have diaphragms that vibrate directly on the throat so they actually transmit the sound through the vocal tract the way the larynx does.
1. Betsy commented on 2017/7/11, 22.12 h:
Hulde,
Most regular speakers we know have a vibrating cone-shaped diaphragm, but if you try using those, it doesn't work. The key here is that the Sonovox speakers have diaphragms that vibrate directly on the throat so they actually transmit the sound through the vocal tract the way the larynx does.
Wait, what?