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I have a 2.1 speakers system that was working fine on Windows 7.

I just installed Ubuntu 14.04 LTS and now just the front-left and front-right speakers are working. The subwoofer is not working.

In the Sound Settings, there is just one option: "Analog Output (Built-in Audio)" where the subwoofer control is disabled and in the "Test sound" window I can only see "Front left" and "Front right" speakers.

I have already tried:

1) /etc/pulse/daemon.conf

enable-lfe-remixing = yes
default-sample-channels = 3
default-channel-map = front-left,front-right,lfe

Result: no changes

2) /etc/pulse/default.pa

load-module module-combine channels=3 channel_map=front-left,front-right,lfe

/etc/pulse/daemon.conf

enable-lfe-remixing = yes

Result: another option appeared in the Sound Settings: "Simultaneous output to Caicos HDMI Audio [Radeon HD 6400 Seris] Digital Stereo (HDMI), Buil-in Audio Analog Stereo". Within it, when I clicked "Test Sound", a new option appeared - "Subwoofer". But the sound was played by the 2 front speakers, and the subwoofer is still not working.

Does anybody have any idea?

Thanks

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1 Answer 1

Reset to default
0

Have you tried the following?

resample-method = speex-float-1
enable-remixing = yes

enable-lfe-remixing = yes
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1
  • can you please explain your answer a bit?
    – Wayne_Yux
    Dec 14, 2015 at 8:54

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