Tone sounds

Sawtooth signal from 20hz to 20000hz
2797 588
Signal 900 hz (1 min, -24db)
2744 811
918. 5 hertz signal
2738 726
Sound 440 hertz (a) for tuning viola, viola
2736 889
Sound 41. 20 hertz (e) for bass tuning
2715 678
Sound 293. 66 hertz (d) for violin tuning
2648 578
To hide censorship (short, 1 sec)
474 4

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