"To take Germany prior to 1600 as an example, organ pitch there is thought to have varied from a high of A=567 Hz for the first simple pipe organs of the Middle Ages to a low of A=377 Hz for the early ...
Abstract: In this paper, from the principle of dexterous jamming, the shortcomings of fast attenuation of intermittent sampling and forwarding jamming and strong regularity of periodic waveform ...