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Thread: Payment made for the answer

  1. #1
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    Payment made for the answer

    Good afternoon,

    I have fitted everything to my car, and it is almost perfect. Though I have noise on the speakers that I can't get rid of.

    I have tried everything, grounding the case, motherboard, all to the same point, to different points, internal sound cards, external sound cards.

    I get noise when the audio lead is plugged into the PC and the PC has any source of power going through it. It changes when the ignition is switched and with engine pitch. Also get noise that is possibly related to hard drive, and occasionally touch screen noise.

    I have the audio lead from the PC tapped into the CD changer audio lines, though I don't think there are any problems here, because if I try another device such as a portable CD player, or the CD changer itself, then it works fine.

    So I will make a payapl payment to anyone who comes up with an answer that works, or if you are based near Birmingham in the UK, pay someone to come over and fix it. I am at the end of all other things I can think of trying.

  2. #2
    Raw Wave hijinks21's Avatar
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    tell use what you have in your setup.. HU/amps/inverter etc
    '98 Explorer Sport
    http://mp3car.zcentric.com (down atm)
    AMD 800mhz 192megs RAM 60gig hard drive 9 inch widescreen VGA
    80% done

  3. #3
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    Quote Originally Posted by hijinks21
    tell use what you have in your setup.. HU/amps/inverter etc
    Yes sorry,

    Opus 150w, 2.4 celeron, 3.5 hd, 5.25 DVD rom, microAtx Intel board, all in a proper mAtx metal case. I have the option of onboard sound, a creative internal or external sound card. I get the same result with all.

    Connected to an indash xenarc touchscreen with only USB device being a GPS mouse.

    For audio: I have a CD changer in the back, I have found the audio lines for this and cut them and put on female RCA pugs and then plugged in the PC to there. Like I said, I have tried other devices with that setup and it is fine.

  4. #4
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    Which external sound card is it? As i had those issues on a similar setup, and went for a audigy 2nx all went away and is perfect.

  5. #5
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    Quote Originally Posted by matty_g
    Which external sound card is it? As i had those issues on a similar setup, and went for a audigy 2nx all went away and is perfect.

    This one-

    http://www.shentech.com/crusbsoblmpe.html

  6. #6
    Variable Bitrate BiohazrD's Avatar
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    Yeah, I think it is probably because your power wire is running alongside the Y-Cable. That or your soundcard. Try a soundcard with a RCA output.
    Quick! To the Popemobile!

  7. #7
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    Am no expert on carputers. Yet
    But I do know that when I was installing my audiosystem in my bmw, I had to install a ground loop isolator, for cancelling engine noise coming true my amps into my speakers.

    Hope this helps.
    That'll be 5$

  8. #8
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    Quote Originally Posted by BiohazrD
    Yeah, I think it is probably because your power wire is running alongside the Y-Cable. That or your soundcard. Try a soundcard with a RCA output.

    What is a Y cable ?

    I have tried a couple of different cards, and the external one has RCA outputs.

  9. #9
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    Quote Originally Posted by Dark Angel
    Am no expert on carputers. Yet
    But I do know that when I was installing my audiosystem in my bmw, I had to install a ground loop isolator, for cancelling engine noise coming true my amps into my speakers.

    Hope this helps.
    That'll be 5$
    Tried an isolator, it was rubbish it just isolated everything, including the music.

  10. #10
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    ttt

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