在画图并播放出来，快速FFT计算，有正向和反计算-In drawing out and play, fast FFT computation, there are positive and anti-calculation

基于matlab GUI的音频信息处理系统，具有声音录制、播放、暂停、渐弱、渐强、倒放、快放、回音、合成、滤波、变换声道、绘制波形曲线等功能-Matlab GUI-based audio information processing system, with sound recording, playback, pause, fade, gradually strong, rewind, fast release, echo, synthesis, filtering, channel chan

wavecontrol基于wavefile类，我在另一篇文章中写道。该用户控件使用这类分析的波形文件，并控制本身处理所有图纸/缩放波形。-WaveControl is based on the WaveFile class that I wrote in another article. This user control uses that class for parsing of the wave file, and the control itself handles all the dr