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Hwoarang
Retired Dev
Retired Dev


Joined: 24 Feb 2007
Posts: 701
Location: Leeds, UK

PostPosted: Mon Oct 29, 2007 10:55 am    Post subject: Surround on Sound Blaster Audigy Reply with quote

Does anyone manage to get surround sound with dmix support on the above card? Maybe through a modified .asoundrc file?
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PaulBredbury
Watchman
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Joined: 14 Jul 2005
Posts: 7310

PostPosted: Mon Oct 29, 2007 11:49 am    Post subject: Reply with quote

State exactly which card you have - most Audigy cards don't need dmix.

See halfgaar:
Code:
speaker-test -D surround51 -c 6 -t wav


For 2-channel stereo to 5.1-channel upmixing:
Code:
pcm.ch51dup {
    slave.pcm surround51
    slave.channels 6
    type route

    # Front and rear
    ttable.0.0 0.5
    ttable.1.1 0.5
    ttable.2.2 0.5
    ttable.3.3 0.5

    # Center and LFE
    ttable.4.4 1
    ttable.5.5 1

    # Front left/right to center
    ttable.0.4 0.5
    ttable.1.4 0.5

    # Front left/right to rear
    ttable.0.2 0.5
    ttable.1.3 0.5
}


Some games need a bit of speaker re-routing.
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Hwoarang
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Joined: 24 Feb 2007
Posts: 701
Location: Leeds, UK

PostPosted: Mon Oct 29, 2007 11:52 am    Post subject: Reply with quote

I dont care about games :)

So the card is Sound Blaster Audigy SE. The thing is that I manage to get somehow 5.1 ( through .asoudrc file ) but when amarok is trying to use mix ( for example at the end of a song starts to play another one ) it crashes

I ll try to use your file when I get home
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Hwoarang
Retired Dev
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Joined: 24 Feb 2007
Posts: 701
Location: Leeds, UK

PostPosted: Mon Oct 29, 2007 4:44 pm    Post subject: Reply with quote

I didnt have luck with the above configuration. No 5.1 sound. Still 2.1
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