MP3 audio files in iBooks EPUB3

hi !

Can I use .mp3 audio files with muy EPUB3 for iBooks, or is it mandatory to convert everything to .m4a audio files?

If MP3 are allowed, which media type may be used in the OPF declaration?

Thanks a lot!

Posted on Mar 23, 2014 4:26 AM

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MP3 audio files in iBooks EPUB3

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