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Sourrond sound from computer to your "stereo"

Discussion in 'Hardware' started by stb2, Sep 21, 2004.

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  1. stb2

    stb2 Thread Starter

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    When stereo were the only option, it was easy to send sound signal from computer to your amplifier.
    When surround sound amplifiers came you could just send the stereo signal to them and they would generate the surround like it were a stereo signal from a DVD player.
    But what is it with these new surround sound sound-cards? How could it be possible to send the signal from that to your Surround amplifier? And why is it even necessary to generate the surround sound from games inside the computer, when a stereo signal and a surround sound amplifier is enough for DVD players?
     
  2. Foamer

    Foamer Guest

    Surround sound is ... in a way... a stereo trick that produces a sound that is 3 dimensional.
    Not to say surround sound isn't real... but it's not 4,5 or 6 channel stereo.
    It's 2 channel stereo virtual surround sound algorithms that make use of only left and right channel stereo. This stereo algorithm is then sent to a surround decoder where it is split into the 4 to 6 prospective stereo channels. (Actually... the Sub wolfer isn't a channel... but a sub sonic filter that splits the base signal to the appropriate single large speaker.)

    To make a long story short...
    All you need to do to get surround sound out of a sound card equipped to produce it is to hook it up to a surround sound decoder or stereo just like you would with a standard VCR or DVD and the decoder will do the rest.

    (Note: The only reason you need a sound card specifically for surround sound is because a normal sound card isn't equipped to recognize the code used in digitally encoded surround. )
     
  3. stb2

    stb2 Thread Starter

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    Thanks for your answer!

    I know only of one type surround sound equipped sound card and that is the type that have 3 mini jack outputs for front, rear and sub. Those three I cannot mount to a stereo.
    So are you saying that this type of card, can be set to send all of the signal through only the stereo mini jack, and then let my surround sound amplifier do the splitting?
    Or does there exist surround sound equipped sound cards with only stereo out?
     
  4. Foamer

    Foamer Guest

    The 3 mini jack outputs are there for people who don't have a decoder.
    Otherwise...
    The card should have a stereo out only to send out the sound for decoding.
    After all... some people use head phones.
     
  5. stb2

    stb2 Thread Starter

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    :D That is true.

    Thanks a lot for clearing it out.
     
  6. Foamer

    Foamer Guest

    No problem (y)
     
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