音频可视化
可视化一个音频信号的波形.
In[1]:=
a = ExampleData[{"Audio", "Bird"}, "Audio"]Out[1]=
In[2]:=
AudioPlot[a, Appearance -> "Discrete", PlotRange -> All,
ImageSize -> Medium]Out[2]=
可视化音频信号的声谱图.
In[3]:=
Spectrogram[a, ImageSize -> Medium, PlotRange -> {All, {0, 15000}}]Out[3]=
音频信号的功率谱.
In[4]:=
Periodogram[a, 1000, ImageSize -> Medium]Out[4]=
