
Noise Cancelling Headphones
Sliced Bread
00:00
The Benefits of Noise Cancelling Headphones
Trevor: I've worn these in an office because I can't really stand office chatter going on if I'm trying to focus but then you get those people that kind of their voices cut through and it just can't work on that. "I have quite a booming kind of voice naturally, I always wondered why maybe because I was the youngest of two other boys and I just had to learn to shout louder" He says his vocal folds for my vocal chords which is the source of the sound are opening closing 100 times a second so typically speech is centered around 1000 Hz. Trevor's voices hit frequencies around 3000Hz where your ear is more sensitive and therefore they can be heard clear
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