中文说明：
产生房间脉冲响应的源代码，在多噪声，多混响的情况下，信噪比很低，信干比也很低，同时伴随着噪声是非平稳的情况。
English Description：
In the case of multi noise and multi reverberation, the signal-to-noise ratio is very low, and the signal to interference ratio is also very low. At the same time, the noise is non-stationary.