简单获取钢琴 88 个键的音高频率值
作者:互联网
简单获取钢琴 88 个键的音高频率值
posted on 2011-06-14 15:15 万一 阅读(4499) 评论(6) 编辑 收藏
procedure TForm1.Button1Click(Sender: TObject); var i: Integer; f: Double; begin f := 440/2/2/2/2; for i := 0 to 87 do begin Memo1.Lines.Add(Format('%.3f', [f])); f := f * 1.0594630944; end; end; {********* 27.500 29.135 30.868 32.703 34.648 36.708 38.891 41.203 43.654 46.249 48.999 51.913 55.000 58.270 61.735 65.406 69.296 73.416 77.782 82.407 87.307 92.499 97.999 103.826 110.000 116.541 123.471 130.813 138.591 146.832 155.563 164.814 174.614 184.997 195.998 207.652 220.000 233.082 246.942 261.626 277.183 293.665 311.127 329.628 349.228 369.994 391.995 415.305 440.000 466.164 493.883 523.251 554.365 587.330 622.254 659.255 698.456 739.989 783.991 830.609 880.000 932.328 987.767 1046.502 1108.731 1174.659 1244.508 1318.510 1396.913 1479.978 1567.982 1661.219 1760.000 1864.655 1975.533 2093.005 2217.461 2349.318 2489.016 2637.020 2793.826 2959.955 3135.963 3322.438 3520.000 3729.310 3951.066 4186.009 **********}
posted on 2011-06-14 15:15 万一 阅读(4499) 评论(6) 编辑 收藏
标签:begin,音高,end,88,个键,15 来源: https://blog.51cto.com/u_14617575/2795045