You are aware that 99% of the video mp4 containers you ever watched use AAC for the audio stream? Maybe Apple is one of the few who use AAC for audio-only purp

You are aware that 99% of the video mp4 containers you ever watched use AAC for the audio stream? Maybe Apple is one of the few who use AAC for audio-only purposes, but as a technology AACs predominant use is in video (as a percentage of marketshare). And because literally everything can play MP4s, as such they can also play AAC.