提取声音中的拍频

创建不同的频率和拍频的声音.

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训练预测声音拍频的预测器.

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预测一些测试范例的拍频.

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testset = {Sound[
SampledSoundFunction[
CompiledFunction[{10, 10., 5444}, {
Blank[Integer]}, {{2, 0, 0}, {3, 0, 
       5}}, {{-0.007330290496228353, {3, 0, 7}}, {{
         1500.0071924545466`, 12.514222800735638`}, {3, 1, 0}}, {
        0.000125, {3, 0, 1}}, {
        0.5027712654104036, {3, 0, 8}}, {-1, {2, 0, 2}}, {
        1, {2, 0, 1}}, {0., {3, 0, 0}}}, {0, 3, 9, 0, 
       1}, {{10, 0, 2}, {16, 1, 2, 3}, {13, 0, 3, 2}, {38, 0, 0, 1, 0,
         3}, {16, 3, 2, 4}, {40, 1, 3, 0, 4, 3, 0, 5}, {38, 0, 0, 2, 
        0, 4}, {13, 3, 4, 6}, {16, 6, 2, 6}, {40, 1, 3, 0, 6, 3, 0, 
        4}, {13, 5, 4, 5}, {13, 5, 7, 5}, {16, 5, 8, 5}, {1}}, 
Function[{Play`Time2493}, 
Block[{Compile`$2409}, 
Block[{t = 0. + 0.000125 Play`Time2493}, 
          Compile`$2409 = First[{1500.0071924545466`, 
             12.514222800735638`}]; ((
             Sin[Compile`$2409 t] + Sin[(
                Compile`$2409 + Last[{1500.0071924545466`, 
                  12.514222800735638`}]) t]) - 0.007330290496228353)
             0.5027712654104036]]], Evaluate], 8000, 8000]] -> 12.51, 
   Sound[
SampledSoundFunction[
CompiledFunction[{10, 10., 5444}, {
Blank[Integer]}, {{2, 0, 0}, {3, 0, 
       5}}, {{{1586.703939924514, 30.083992984347987`}, {3, 1, 0}}, {
        0.000125, {3, 0, 1}}, {-1, {2, 0, 2}}, {
        1, {2, 0, 1}}, {-0.0070196741195687196`, {3, 0, 7}}, {
        0., {3, 0, 0}}, {0.5020364580937144, {3, 0, 8}}}, {0, 3, 9, 0,
        1}, {{10, 0, 2}, {16, 1, 2, 3}, {13, 0, 3, 2}, {38, 0, 0, 1, 
        0, 3}, {16, 3, 2, 4}, {40, 1, 3, 0, 4, 3, 0, 5}, {38, 0, 0, 2,
         0, 4}, {13, 3, 4, 6}, {16, 6, 2, 6}, {40, 1, 3, 0, 6, 3, 0, 
        4}, {13, 5, 4, 5}, {13, 5, 7, 5}, {16, 5, 8, 5}, {1}}, 
Function[{Play`Time2491}, 
Block[{Compile`$2407}, 
Block[{t = 0. + 0.000125 Play`Time2491}, 
          Compile`$2407 = First[{1586.703939924514, 
             30.083992984347987`}]; ((
             Sin[Compile`$2407 t] + Sin[(
                Compile`$2407 + Last[{1586.703939924514, 
                  30.083992984347987`}]) t]) - 0.0070196741195687196`)
             0.5020364580937144]]], Evaluate], 8000, 8000]] -> 30.08};

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Wolfram Mathematica

提取声音中的拍频

Mathematica

Wolfram Mathematica

提取声音中的拍频

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Mathematica