IntroductionIn the communication systems, echo and noise will seriously affect speech communication quality, such as IP telephone, videophone and hand-free digital cell phone systems etc.
引言在通信系统中,例如IP电话、可视电话及免提数字蜂窝电话系统中,回声和噪声会严重影响通信质量。
It has also widely promising applications for speaker/ microphone communication systems, such as IP phone, videophone and hand-free digital cellular telephony system, and so on.
它在IP电话、可视电话及免提的数字蜂窝电话等扬声器/传声器通信系统中也具有广阔的应用前景。
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