55KiB, 1100x619, 160927210830-tk-ah092.jpg View SameGoogleiqdbSauceNAO Anonymous Tue 13 Oct 06:36:24 2020 No.12225545 ViewReplyOriginalReport Quoted By: >>12225684 >>12225691 >>12225694 >>12225717 >>12225772 >>12226052 >>12226062 >>12227288 If you hear a 660 Hz pitch for 2 seconds, what was the frequency of the pitch?
