====== ffmpeg - Encoding - 5.1 Audio ======

<code bash>
ffmpeg -i input.mkv -c:v libx265 -c:a libopus -b:a 128k -ac6 output.mkv
</code>


<WRAP info>
**NOTE:**  The following switches need to be specifically set:

  * Use the switch **-ac 6** right after 128k. <code>
-b:a 128k -ac 6
</code>

</WRAP>

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