主要关于resample的算法，基于音频重采样的一些算法和音频算法的编解码-Is mainly concerned with the resample algorithm, based on a number of audio resampling algorithm and audio codec algorithm

图像伸缩算法，实现图像的任意尺寸放大和缩小，采用高精度伸缩算法。-High quality image resample algorithm.