一个带有实时显示输入麦克风音量大小的录音系统，并以当前时间为文件名将录音文件进行保存-With a real-time display the volume size of the input microphone recording system, and to the current time as the file name to save audio files

声音录制小程序，并且有声音进度条的显示，有很好的参考意义-Voice recording applet and sound progress bar display, have a good reference for