[FFmpeg-user] ffmpeg-opus install related question

[bat guano]

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> ffmpeg -i /home/mark/tester.wav -c:a libopus -b:a 64k -ar 48000 -ac 2
> /home/mark/tester2.opus
>
> Unrecognized option 'c:a'
> ffmpeg: failed to set value 'libopus' for option 'c:a'
> _______________________________________________
Try again:-
ffmpeg -i tester.wav -acodec libopus -ab 64k -ar 48000 -ac 2 tester2.opus