A.方向性麥克風 B.音量可調 C.多程序 D.反饋抑制系統(tǒng) E.噪聲抑制系統(tǒng)
A.HdLocator B.SpeechTracer C.HdLocatoromni D.HdLocatorwith SpeechTracer E.HdLocatorwithout SpeechTracer
A.HdLocator B.SpeechTracer C.HdLocatoromni D.HdLocatordir E.HdLocatorwithSpeechTracer