Matlab 之wavread,audioread，wavwrite,audiowrite函数

wavread - Read WAVE (.wav) sound file

    This MATLAB function loads a WAVE file specified by the string filename,
    returning the sampled data in y.

    y = wavread(filename)
    [y, Fs] = wavread(filename)
    [y, Fs, nbits] = wavread(filename)
    [y, Fs, nbits, opts] = wavread(filename)
    [___] = wavread(filename, N)
    [___] = wavread(filename, [N1 N2])
    [___] = wavread(___, fmt)
    siz = wavread(filename,'size')

audioread - Read audio file

    This MATLAB function reads data from the file named filename, and returns
    sampled data,y, and a sample rate for that data, Fs.

    [y,Fs] = audioread(filename)
    [y,Fs] = audioread(filename,samples)
    [y,Fs] = audioread(___,dataType)

wavwrite - Write WAVE (.wav) sound file

    This MATLAB function writes the data stored in the variable y to a WAVE file
    called filename.

    wavwrite(y,filename)
    wavwrite(y,Fs,filename)
    wavwrite(y,Fs,N,filename)

audiowrite - Write audio file

    This MATLAB function writes a matrix of audio data, y, with sample rate Fs to a
    file called filename.

    audiowrite(filename,y,Fs)
    audiowrite(filename,y,Fs,Name,Value)

[y,Fs] = wavread('ISM.wav');

[y,Fs] = audioread('ISM.wav');
filename = 'ISM.wav';

wavwrite(y,Fs,filename);
audiowrite(filename,y,Fs);

以上是wavwrite函数，audiowrite函数区别

 

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