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Thread: Get sound in center speaker when using Pulseaudio.

  1. #1
    Join Date
    Jan 2012
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    12

    Question Get sound in center speaker when using Pulseaudio.

    I set up my fathers computer (Ubuntu 11.10) and receiver using Setup_audio_over_HDMI_on_nVidia_GeForce/nForce_controller and the mapping using Pulseaudio worked great when using speaker-test but when we play stereo audio there is sound in front l, front r AND front center but no lfe. It works fine when using ALSA where we get front left, front right and lfe.

    Can't Pulseaudio understand or be configured to send stereo/two channel audio to only front l, front r and lfe?

    Regards.

  2. #2
    Join Date
    Jan 2012
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    Re: Get sound in center speaker when using Pulseaudio.

    bump

  3. #3
    Join Date
    Feb 2008
    Location
    Watkins Glen, NY
    Beans
    42
    Distro
    Ubuntu Karmic Koala (testing)

    Re: Get sound in center speaker when using Pulseaudio.

    Add disable-remixing = yes to /etc/pulse/daemon.conf

    -----

    Whats happening in, By default its remixing Stereo Sources to Center and Surround.... this is called Remixing


    You can also add "disable-lfe-remixing = yes" as well to disable Low-frequency sound being added to the subwoofer from Stereo Sources.

    Press "Alt" and type
    Code:
    gksudo gedit /etc/pulse/daemon.conf
    then add
    Code:
    disable-remixing = yes
    to the bottom of it

  4. #4
    Join Date
    Jan 2012
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    12

    Re: Get sound in center speaker when using Pulseaudio.

    Thank you kingtiger01. I will try this and get back to you how it goes. Regards.

  5. #5
    Join Date
    Jan 2012
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    12

    Re: Get sound in center speaker when using Pulseaudio.

    I tried adding
    Code:
    disable-remixing = yes
    which helped by getting rid of sound coming from the center speaker but the sound from the LFE also disappeared which is a problem. I am half way there at least! Regards.

  6. #6
    Join Date
    Feb 2008
    Location
    Watkins Glen, NY
    Beans
    42
    Distro
    Ubuntu Karmic Koala (testing)

    Re: Get sound in center speaker when using Pulseaudio.

    Sorry ive been busy...

    PulseAudio has Alot of Benifits but many Limitations...

    Make sure you add *IN THIS ORDER* to youre Global configuration^^^

    -------------------------------------------
    enable-lfe-remixing = yes
    enable-remixing = yes
    default-sample-channels=2
    -------------------------------------------

    What this does is, enable Subwoofer, and limits speaker remixing to JUST the front 2 speakers...
    Its kinda borked though... Some times it will refuse to work, but give it a shot!

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