用不同的模式进行语音的采集和回放,可设置在外存不同空间进行存放数据和读取语音信息，可控制采集和回放的数据长度-A different mode of acquisition and playback of voice, can be set up in the Out-of-Core storage space for different data and to read voice messages, can control the playback of data collection and the length of