基本音频编辑
用消音填补一个音频信号.
In[1]:=
a = ExampleData[{"Audio", "Bird"}, "Audio"];
In[2]:=
AudioPad[a, Quantity[4, "Seconds"]]
更改音频对象的采样频率.
In[3]:=
AudioResample[a, Quantity[48000, "Hertz"]]
将音频对象分割为最大为 1 秒的分段.
In[4]:=
AudioSplit[a, {Quantity[0.5, "Seconds"], Quantity[1, "Seconds"]}]
Out[4]=
绘制音频的波形图.
In[5]:=
AudioPlot[a, PlotRange -> All, ImageSize -> Medium]
Out[5]=
剪辑音频信号并绘制由此得出的波形图.
In[6]:=
AudioPlot[AudioTrim[a, {0, .9}], PlotRange -> All,
ImageSize -> Medium]
Out[6]=