用来从声卡播放声音,直接从声音的数据播放，而不需要组织成wav文件-used to broadcast voice from the sound card directly from the broadcast voice of the data without the need to organize documents wav

利用IIS在MagicARM2410实验箱上设计实现语音的播放、录制、保存(wav文件)及语音回放-Use IIS the MagicARM2410 experimental box design voice playback, recording, save (wav file) and voice playback