用matlab实现多幅图片的downsample 把图片变成低分辨率的小图片。,Using matlab implementation of the downsample pictures put into a low-resolution picture of the small picture.

function [Y,FS,NBITS,OPTS] = mp3read(FILE,N,MONO,DOWNSAMP,DELAY) MP3READ Read MP3 audio file via use of external binaries. Y = MP3READ(FILE) reads an mp3-encoded audio file into the vector Y just like wavread reads a wav-encoded file (one ch