audiometadata

Get/Set metadata of audio file .

Syntax

• info = audiometadata(filename)
• info_previous = audiometadata(filename, info_new)

Input argument

• filename - a string: an valid audio filename.
• info_new - a struct: new information about audio file to set.

Output argument

• info - a struct: information about audio file.
• info_previous - a struct: previous information about audio file.

Description

audiometadata returns a structure with metadata of an audio file.

audiometadata manages all tags available in the audio file.

Many audio formats are supported as OGG, FLAC, WAV, RAW.

Examples

wav_file = [modulepath('audio'), '/examples/haha.wav'];
info = audiometadata(wav_file)

wav_file = [modulepath('audio'), '/examples/haha.wav'];
modified_wav_file = [tempdir(), 'haha_modified_tags.wav'];
if isfile(modified_wav_file)
  rmfile(modified_wav_file);
end
copyfile(wav_file, modified_wav_file);
info = audiometadata(modified_wav_file)
info.artist = 'Nelson';
audiometadata(modified_wav_file, info);
info = audiometadata(modified_wav_file)
if isfile(modified_wav_file)
  rmfile(modified_wav_file);
end

History

Author

Allan CORNET