Virtual surround sound (Splitting stereo into more channels)
Hi,
Is there anyway to "split" normal stereo output into more channels? I am using a C-Media CM8738 5.1 sound card, with the ALSA driver, under Fedora Core 2. There is no problems with the driver, Using Xine or MPlayer I can experience full 5.1 surround sound without any hastle. The thing is with normal system sound output like when I use Xmms, I only get stereo out the front left and right speakers, the rear and center speakers remain quiet, interestingly the sub-woofer does output. So my question: Can I configure ALSA to output to all channels by default? Thanks, redarrow |
Well I've figured most of it out in the meantime,
I just had to add this to my ~/.asoundrc config file: pcm.!default { type route slave.pcm surround51 slave.channels 6 ttable.0.0 1 ttable.1.1 1 ttable.0.2 1 ttable.1.3 1 ttable.0.4 0.5 ttable.1.4 0.5 ttable.0.5 0.5 ttable.1.5 0.5 } I now get stereo sound playing on all the outputs. The only problem I have left is that volume control only adjusts the volume on the front left & right speakers :confused: Anyone have any ideas/suggestions how to fix this? Thanks |
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