Audio Visualization
Visualize the waveform of an audio signal.
In[1]:=
![Click for copyable input](assets.en/audio-visualization/In_67.png)
rule30 = Import["ExampleData/rule30.wav"]
In[2]:=
![Click for copyable input](assets.en/audio-visualization/In_68.png)
AudioPlot[rule30, ImageSize -> Medium]
Out[2]=
![](assets.en/audio-visualization/O_56.png)
Plot the absolute values of the waveform.
In[3]:=
![Click for copyable input](assets.en/audio-visualization/In_69.png)
AudioPlot[rule30, Appearance -> "ContinuousAbs", ImageSize -> Medium,
PlotRange -> All]
Out[3]=
![](assets.en/audio-visualization/O_57.png)
Plot the waveform as discrete values, colored according to height.
In[4]:=
![Click for copyable input](assets.en/audio-visualization/In_70.png)
AudioPlot[rule30, Appearance -> "Discrete", ImageSize -> Medium,
ColorFunction -> Function[{x, y}, ColorData["Rainbow", y]],
PlotRange -> All]
Out[4]=
![](assets.en/audio-visualization/O_58.png)
Plot the spectrogram and periodogram of an audio signal.
In[5]:=
![Click for copyable input](assets.en/audio-visualization/In_71.png)
Spectrogram[rule30, ImageSize -> Medium]
Out[5]=
![](assets.en/audio-visualization/O_59.png)
In[6]:=
![Click for copyable input](assets.en/audio-visualization/In_72.png)
Periodogram[rule30, ImageSize -> Medium]
Out[6]=
![](assets.en/audio-visualization/O_60.png)