the solution to my puzzle ... http://www.freesound.org/people/Timbre/sounds/122105/ see spectrogram. WARNING: high-frequency sound can damage your hearing and tweeters, so you should not play this sample at high volume.
Type
Wave (.wav)
Duration
0:21.744
File size
2.0 MB
Sample rate
48000.0 Hz
Bit depth
16 bit
Channels
Mono
You are free to share (to copy, distribute and transmit) and to remix (to adapt and modify) as long as you credit the author of the sound and do not use the sound for commercial purposes. Get attribution text...
920 x 245
481 x 86
375 x 30
