该代码是从SPEEX中提取出来有关回声消息源码,它采取的是在频域进行操作，效果比较好(回声消除功能源代码)-the code is extracted from the SPEEX Echo news from the source. it is taken in the frequency domain for operation and the results were quite good (Echo Canceller function source code)

用于评估语音质量和传输质量的软件程序，可以直接用于工业上-Framework For Detection Evaluations (includes CLEAR, TRECVid Event Detection, and AVSS Multi-Camera Person Tracking uation tools)