[ audio_file_name,audio_file_path ] = uigetfile({'*.mp3'},'Pick a mp3 file');  
if(audio_file_path == 0)
    return;
end
input_audio_file = [audio_file_path,audio_file_name];%文件名
[y,Fs] = audioread(input_audio_file);% 读取文件

?2?

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