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The sound frequencies in this sweep are all of equal amplitude but are not all perceived as equally loud: inaudible at the extremes 20Hz and 20KHz, and with loudness peaks at around 1KHz and 10KHz.
http://en.wikipedia.org/wiki/File:Perceived_Human_Hearing.svg
Type
Wave (.wav)
Duration
0:23.043
File size
1.9 MB
Sample rate
44100.0 Hz
Bit depth
16 bit
Channels
Mono
11 years, 8 months ago
Fascinating and lovely. Thanks!
11 years, 8 months ago
WOw!!! :O Fantastic!