I do use the AAC-LC profile. I made a lot of experiments but nothing works. Can you confirm it really works for you?
Just to be precise what I mean by iPhone compatible multiple audio files:
MeGUI can create MP4 files with multiple audio tracks. These MP4 files can be played on all video players (software and hardware) that I tried. The individual audio tracks (e.g. original English sound, French dub, director's comments) can be accessed, chosen and played back on all the players - except on iPhone/iPod Touch.
On iPhone/iPod Touch, these MP4 files can be played, but only the first audio track will play. There is no way to select any other audio track - the audio track selector does not appear in these files on iPhone/iPod touch. The audio track selector does appear and audio tracks can be selected and played back in MP4 files created with other tools (like HandBrake).
The same problem is with soft subtitles.
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