使用Streaming方式进行AMR-NB和PCM格式的录音和播放，支持symbian S60第三版 S603rd FP1 SDK环境下顺利编译，并在Nokia 5700真机上运行-Streaming means the use of AMR-NB and PCM format recording and playback, support for symbian S60 third edition S603rd FP1 SDK compiler environment smoothly and