On Mon, Jun 30, 2014 at 9:53 AM, Alexander E. Patrakov <patrakov at gmail.com> wrote: > >> There is one issue regarding the per channel volume. I am jacked into >> "Side Right" channel, but adjusting the Side Right channel volume in >> the output tab of pavucontrol doesn't change the volume - only the >> "Front Right" volume slider affects the volume. Digging further >> (jacking into each channel and sliding the per channel volumes) only >> the Front Left/Front Right channels adjust the volume for any of the >> channels. >> >> Front Left (1) will affect: Front Left (1), Rear Left (3), Front >> Center (5), Side Left (7) >> Front Right (2) will affect: Front Right (2), Rear Right (4), Front >> Center (5), Side Right (8) > > > You can reduce the amount of time needed to fix the issue by posting a link > to the very very verbose pulseaudio log that captures, among other things, > the process of adjusting the volume with the Side Right knob in pavucontrol. > > Also, could you please verify that the same "which knob controls what" > picture holds when playing native 5.1 surround content with a > semi-known-good player, as in the example below? > > wget http://www.sr.se/laddahem/multikanal/dts/Prelude.zip > unzip Prelude.zip > ffplay -f dts Prelude.wav > > (yes I know that ffplay and gstreamer disagree on the channel map for 5.1 > content) > > >> The "subwoofer" or "Rear Center" channel (6) did not output any sound >> when I played my ogg123 -d pulse. However, the speaker-test was >> successful in outputting sound out that channel. > > > This is expected for typical stereo content (and even with most surround > concerts on DVDs and BluRays, because they are actually 5.0, not 5.1) and > the default settings, and can be controlled with the enable-lfe-remixing > setting in /etc/pulse/daemon.conf. Thanks for all your help, Alexander. I'm derailed on something else right now, but hope to try out your suggestions in about a week. Cheers! -mz
