IIR 均衡器的调试控制软件，有很漂亮的PEQ曲线，高通、低通和带通曲线控制.-IIR equalizer debug control software, has a very nice PEQ curve, high-pass, low-pass and band-pass curve control.

数字信号处理中简单的音频特效处理，回声，变调、低通滤波、高通滤波-Digital signal processing simple audio effects processing, echo, pitch, low pass, high pass filter