[pulseaudio-discuss] 2.1 profile does not work on usb 5.1 device ?

Nazar Mokrynskyi nazar at mokrynskyi.com
Mon Jun 22 19:37:36 PDT 2015

> http://git.alsa-project.org/?p=alsa-lib.git;a=commit;h=1af088e39b75a0a0897c7036487b143e983cd423
> Your pcm playback volume control is stereo , do pulseaudio allow you 
> to change the volume of 3 , 4,  5 or 6 different channels ?
It was already discussed in other thread, at least partially.
2.1 is available in UI, but LFE is not working, instead I have weird 
noise in one of rear speakers during tests form UI.
Both with PulseAudio packaged in Ubuntu 15.10 x64 and compiled from 
source (in my case last commit 733e4bc on 26.05.15), both behave the same.
However, LFE works perfectly in 4.1 and 5.1 modes, so I'm using 4.1 as 
I do not have separate controls in alsamixer for other that PCM, Line 
and Mic (I did screencast that shows this).

Sincerely, Nazar Mokrynskyi
Skype: nazar-pc
Diaspora: nazarpc at diaspora.mokrynskyi.com
Tox: A9D95C9AA5F7A3ED75D83D0292E22ACE84BA40E912185939414475AF28FD2B2A5C8EF5261249

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