What? Humans can 'Hear' Above 20K?
Автор: Dave Rat
Загружено: 2020-11-15
Просмотров: 13539
Lets do some Ultra High Freq Listening! Here, Sammy and I test each other to see if we can blind hear sound way above 20Khz.
Hear is a link to an OSHA document, in the "ultrasound" chapter and appendix there is info and standards regarding human perception and exposure to audio frequencies above human hearing
https://www.osha.gov/otm/section-3-he...
00:00 Listening to sound we can't hear
00:00 Description of setup
02:12 View and confirm the test tone on a scope
03:07 Can Sammy really hear 40K?
03:22 Background of how I thought of this test
03:53 Do we have a 3rd "ear"
05:40 Sammy tests me to see if I can hear 40K
07:28 What do you think? Anyone have knowledge about this to share?
08:14 Wrap up
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https://www.ratsoundsales.com/
https://wordpress.com/view/ratsound.c...
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