Eli5 How are you able to still hit notes when you hum and why do you run out of breath more quickly when you hum?

Question

Eli5 How are you able to still hit notes when you hum and why do you run out of breath more quickly when you hum?

In: 3

Answer 1

It’s an illusion. Say AHHHHHH and then close your mouth, I bet you up the volume too to compensate and then run out of breath faster. If you kept the same volume regardless if your mouth was open or not, you wouldn’t.