I have converted some video to mp4 but the audio doesn't work with a few. I chose mp3 format but what should it be, ACC or FLAC or what? I need to know the standardized audio format that will make it work on all of my devices (iMac, iPhone, iPad, Apple TV, etc.). Thanks.
iMac 2011 (Sierra)
iPhone 6 Plus
iPad 5 (Air)
Apple TV 4
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mp4 with h.264 video and aac audio is most common and should play on all those devices.
Last edited by jagabo; 19th Nov 2016 at 12:06.