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  1. 13th Jun 2017 01:24 #1
    ausrob
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    Hello
    OK this is probably a really dumb question
    When using an external USB sound card to output 5.1 sound.
    Does the source signal have to already be 5.1 (multi channel) to output true 5.1 ?
    Or does the sound card actually create the 5.1 output even if the source is only 2 channel ?
    I am talking good quality cards here (Creative Sound Blaster or similar ilk)
    As always any advice is appreciated
    Thanks
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  2. 13th Jun 2017 02:48 #2
    pandy
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    Without additional signal processing rule is simple - you get at the output same signal as feeded to the input.
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  3. 13th Jun 2017 03:44 #3
    darkknight145
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    Sound cards are not magical!
    It doesn't matter whether the sound card is internal or external, to get TRUE 5.1 out you must have 5.1 going in, otherwise it will only be simulated at best.
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  4. 13th Jun 2017 05:54 #4
    ausrob
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    Thanks everyone
    Now I know
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