[pulseaudio-discuss] [PATCH v2 0/3] alsa: Support for only-multichannel devices

[Alexander E. Patrakov]

08.08.2014 04:36, Takashi Sakamoto wrote:
> I*m a little curious about the :lfe: channel. PulseAudio transfers
> silent PCM samples for this channel against my expectation. Can we apply
> other types to 6th channel for the sink?

There is an option in /etc/pulse/daemon.conf:

; enable-lfe-remixing = no

Try uncommenting and flipping it.

-- 
Alexander E. Patrakov