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Thread: Sound Question

  1. #1
    Variable Bitrate
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    Mar 2004
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    Sound Question

    I have a couple of questions about sound set-up.

    1) On VIA EPIA-M there are 3 audio ports - line-out, line-in and mic-in - it also says: "Can be switched to 6 channel", How does that work?

    2) Why are so many people using external sound cards to go to the amp? What is wrong with using the built-in sound card to go to car amp?

    Thank you.

  2. #2
    Raw Wave god_of_cpu's Avatar
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    I don't have an EPIA so I'm not sure exactly what "switched to six channel means", but I don't think it has anything to do with mixing the 3 audio ports. What I can tell you is that channels only apply to a single line at a time. I.e. your wave out line will have 1 channel if its mono, 2 if its stereo, 4 if front and rear that are both stereo, etc. Half of the channels would never apply to input and the other to output though. i.e. you would never have a 4 channel device with 2 channels for stereo wave out and 2 channels for stereo wave in. Also the channels can map to a single or multiple connections (of the same type) on the physical sound card even though it only shows up as a single line input with multiple channels in the mixer. This is how the windows mixer works and the nomenclature it uses.

    I used an external sound card cause the onboard sound on my motherboard sucks and I'd rather run a long USB cable to the front of my car from my computer in the trunk and then a short analog audio cable to my head unit then just a long audio cable since USB is less prone to interference.

    Quote Originally Posted by arkadiyp
    I have a couple of questions about sound set-up.

    1) On VIA EPIA-M there are 3 audio ports - line-out, line-in and mic-in - it also says: "Can be switched to 6 channel", How does that work?

    2) Why are so many people using external sound cards to go to the amp? What is wrong with using the built-in sound card to go to car amp?

    Thank you.
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