[FFmpeg-user] Channel manipulation and audio filter equivalencies

[adam smith]

> On 12 Nov 2020, at 06:10, Chris Angelico <rosuav at gmail.com> wrote:
> 
> Anyone have recommendations on these options, or any other preferred
> way to remap channels at maximum quality?

You could try using the channelsplit and selecting the specific channels you want and then merging them into a single stream. channelsplit=channel_layout=7.1:channels=LF|RF[lf][rf];[lf][rf]amerge=inputs=2[aout]

Thanks
Adam