An audio input device transforms the man voice into information that can be recognized and processed by the computer to which the information is transmitted.
声音输入装置把人的声音转变为计算机能识别和处理的信息，并把此信息送入计算机系统中。
The device is equipped with a voice detector (18) for detecting a section of the input signal, the direct signal, or the surround channel signal, in which voice portions are present.
语音检测器（18），用于检测所述输入信号、所述直接信号声道或所述环境信号声道中出现语音部分的片段；
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