What is the requirement to convert file to HE-AAC?

Hello. Thanks for reading my topic.
Here Lubuntu 24.04.3 updated to current date 2025-10-27.
I see ffmpeg and nvenc has an list of sound codecs, but HE-AAC not is listed.
For HE-AAC to be listed in some enconders need install dependencies ? If yes which are ?
If not is related with dependencies what is the software need to be installed to convert files to HE-AAC ?

Have an nice week.

Ubuntu is not able to provide HE-AAC due to licensing / IP issues.
The AAC encoder library we do ship (libfdk-aac2) is a stripped down version, with encumbered parts removed.

You will need to compile that yourself unfortunately. See for instance the unstripped FDK library or the FFmpeg audio encoding instructions, which also points to documentation on compiling FFmpeg yourself, if you’re feeling so inclined.

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@charles05
Thanks for your reply.
I see is better select another sound format for example opus for better compression than AAC.
Have an nice week.

Choosing a codec is highly dependent on your use-case. Without knowing all your context, it’s not possible to say codec A is better than B.

Opus is very good in general though. If you can, I would suggest using it over AAC just for convenience alone.

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