My problem is. If I upload to construct 2 .m4a then I can not add to play. If I upload to .ogg then I can add to play but if I export audio files to .m4a and I upload to App store then I do not have sound!
So what is the solution? Thank you for your answer!
The Manual entry for the Audio Object clearly states that you need both formats in order to produce audio.
The best method to achieve this is to import .wav and let C2 encode the audio for you.