How to extract audio from MP4?

I used R2013a version. can i extract audio from MP4 video files?

Answer 1

[Hengameh Noshahri]

Try this:

[y,Fs] = audioread(filename);

audiowrite('outputfile.WAV',y,Fs);

File formats of .avi and .MOV are not mentioned among the accepted input file formats of audioread's documentation ( https://www.mathworks.com/help/matlab/ref/audioread.html#btiabil-1-dataType ), but I tried them in R2020 and they work with this code.

[Walter Roberson]

Though my memory is saying that .mp4 was not supported by audioread() back in R2013a.

[David Winthrop]

This does not work in r2018a:

>> [input_file, Fs] = audioread('2020-11-28 13-44-42.mp4','native');
Error using audioread (line 88)
The file type is not supported 

[Walter Roberson]

R2018a documents .mp4 support; https://www.mathworks.com/help/releases/R2018a/matlab/ref/audioread.html -- though you might need to install a codec package .

Answer 2

[madhan ravi]

https://www.mathworks.com/help/vision/ref/vision.videofilereader-system-object.html

[keshav poojari]

sir, can you give me any examples please?