1.选择点击"Generate" -> "Tones...";

2.设置"Sample Rate"、"Channels"、"Resolution"等参数;

3.取消勾选"Lock to these settings only";
然后在"Initial Settings"窗口下,设置扫频波的起始频率"Base Frequency (?)"(eg:60Hz),设置扫频时长"Duration"(eg:20s);

4.然后切换到"Final Settings"窗口下,设置扫频波的终止频率"Base Frequency (?)(eg:8KHz)",之后点击"OK",生成从60Hz到8KHz的扫频波,时长为20s,然后保存文件名为"Sweeping 60Hz-8KHz.wav";

5.下图为扫频波"Sweeping 60Hz-8KHz.wav"的时域波形图;

6.点击菜单栏中的按钮"Toggle between Spectral and Waveform views",可以观察扫频波"Sweeping 60Hz-8KHz.wav"的频域波形图。

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