实现wave格式录音并显示录下的音频的波形图，注意不是同步显示(Wave format to achieve recording and recording recorded audio waveform, attention is not synchronized display)

好的算法和程序,非常需要的可以下载看看,适合初学者学习(Good algorithm and program, very need to download to see, suitable for beginners to learn.)

利用相应的信息技术以及互联网技术来协调企业与顾客间在销售、营销和服务上的交互(In order to improve the core competitiveness, the company uses the corresponding information technology and Internet technology to coordinate.)