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五、回声控制1.回声问题回声控制设备包含回声抑制器(EchoSuppressor)和回声消除器(EchoCanceller)两类设备。回声抑制器是用于抑制回声的;回声消除器是用来消除回声的。回声是长途电话网中存在的重要现
Echo Control 1. Echo Problems Echo control equipment includes echo suppressor (Echo Suppressor) and echo canceller (EchoCanceller) two types of equipment. Echo suppressor is used to suppress the echo; echo canceller is used to eliminate the echo. Echoes are an important presence in long distance networks