The architecture and the key technology of a multi-channel digital speech recorder are introduced.
本文介绍一种多路数字语音记录仪的结构及其关键技术。
Conventional multi channel speech communication recording systems consist of analog or digital tape recorder with large size and costs.
传统的多通道通信记录设备是由模拟磁带机或数字磁带机构成，设备庞大复杂，价格高昂。
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