[schwa]

Thanks, that's helpful. The difference is that Audition is embedding L R C LFE Ls Rs, while REAPER is embedding L R C LFE Lsd Rsd. It looks like PT is handling L R C LFE Lsd Rsd incorrectly, it should at least map the top 4 channels, but we can add L R C LFE Ls Rs as a channel layout tag option.