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CD Analog 4 pin plug

Discussion in 'Hardware' started by Nicolas Poirier, May 21, 2005.

  1. I'm curious about the utility of analog audio 4 pins plug on back of my CD
    drive. If I run a music CD, music plays anyway if cable is there or not. In
    what circumstances use of this wire become usefull ?

    Thank you
    Nicolas Poirier
    Nicolas Poirier, May 21, 2005
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  2. Nicolas Poirier

    Mike Walsh Guest

    The cable is used with the digital to analog converter in the CD drive to provide an analog signal directly from the CD drive to the sound card. It eliminates processor overhead and is necessary with old CDROM drives that don't have digital audio extraction.
    Mike Walsh, May 21, 2005
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