Tone sounds

Sawtooth signal from 20hz to 20000hz
2940 589
918. 5 hertz signal
2876 727
Signal 900 hz (1 min, -24db)
2848 811
Sound 440 hertz (a) for tuning viola, viola
2845 889
Sound 41. 20 hertz (e) for bass tuning
2832 679
Sound 293. 66 hertz (d) for violin tuning
2753 578
To hide censorship (short, 1 sec)
608 4

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