redrol
Headphoneus Supremus
with tips
You are so far off its not funny. this is completely not true63 Hz "abdomen"
125 Hz "chest"
250 Hz "oo"
500 Hz "o"
1000 Hz "ah"
2000 Hz "a"
4000 Hz "ee"
8000 Hz "s"
16000 Hz "ts"
It is not about the fundamental frequencies or overall bandwidth of the sounds, but the characteristic frequency ranges.