I'm encoding .3gp videos.

Instructions say, under audio codec: "MPEG-4 AAC".

On audio settings, I can choose between "AAC", "AAC+ Version 1" and "AAC+ Version 2".

I'm lost. Can anyone enlighten me?

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1 Answer 1


From Wikipedia:

The chart on the side states that MPEG-4 AAC is Low Complexity, which is the AAC option.

AAC+ V1 and V2 are the High Efficiency AAC versions of the codec.

  • You may want to check compatibility with what you are encoding for - I had problems in Premiere Pro with AAC until I encoded using the LC (Low Complexity) profile.
    – Darren Greaves
    Nov 14, 2011 at 15:40

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