经典的小米录音机源码录音的时候磁带的转动效果停止录音的时候的倒带效果都是相当精致。录音完成后文件存储在内存卡的sound_recorder文件夹。所以硬性的要求存在内存卡才可以使用。-Classical millet recorder source recording tape rotating effect stop recording rewind effect is quite exquisite. After the completion of the recording file st