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This is a 1s pure 1000 Hz tone filtered with a bandpass filter to remove all frequencies different than 1000 Hz.
This gives us a soft sound with no click at the beggining or the end.
Created with Audacity.
Type
Flac (.flac)
Duration
0:01.143
File size
51.9 KB
Sample rate
48000.0 Hz
Bit depth
24 bit
Channels
Mono