控制声卡按照一定频率,音量发声,是个正弦信号-Control the sound card in accordance with a certain frequency, sound volume, is a sinusoidal signal

matlab模仿的卡农音频信号,通过正弦信号和余弦信号来处理，可以看到matlab处理音频信号的强大功能-Matlab imitation XLR audio signal by the sine signal and cosine signal processing, you can see a strong function of matlab to process audio signals

一个正弦波的音频信号发生器的代码,使用vc6编程,可以改变频率驱动声卡发出声音-This is a sine audio signal generator code by VC++ , you can change the frequency drive sound card play it

一个正弦波转换成WAVE数据的源码，用于音频信号研究使用-A sine wave is converted into WAVE data source for the study of the use of audio signals