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[Bug 1286021] Re: 2.1 surround support (userspace)



Since alsa-lib 1.0.28 is in utopic, you can just to modify
/usr/share/pulseaudio/alsa-mixer/profile-sets/default.conf and add this

[Mapping analog-surround-21]
device-strings = surround21:%f
channel-map = front-left,front-right,lfe
paths-output = analog-output analog-output-speaker analog-output-desktop-speaker
priority = 8
direction = output

(Restart PulseAudio for changes to take effect.)

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  2.1 surround support (userspace)

Status in “alsa-lib” package in Ubuntu:
  Fix Released
Status in “pulseaudio” package in Ubuntu:
  Fix Committed

Bug description:
  2.1 surround should work as seamlessly as other surround options, such
  as 4.0, 5.1 and 7.1 work today.

  Alsa-lib and pulseaudio patches for 14.04 can be tested here:


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