[FFmpeg-user] How to add amr-nb to FFmpeg

[bat guano]

>
> Hi,
> In the GUI I am using I don't see amrnb,
> as a choice for audio.
> I do see libopencore_ammb
> Maybe the GUI has a typo in the list?
>

Yes, it's probably a typo.
Send a bug report to the GUI developer.