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Thread: Has anyone ever had a good sounding carputer yet?

  1. #11
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    justchat_1's Avatar
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    Is the noise your hearing from the hard drive or the alternator (does it change when you rev the engine)?

    Most likely its a floating ground on the PC power supply side since theres no ground filtering between the 5v bus and the usb hub on most mobos. What power supply did you go with?

  2. #12
    Maximum Bitrate pcpete's Avatar
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    I've got a Carnetix P2140...when I had the fszfsz sounds from my tweeters it did seem to escalate with the HD spinning....it also mostly/completely went away when i stoped powering my xenarc from the Carnetix..

    It definately wasn't from alternator as it was still there when engine was off...

    it wasn't from audio signal as it was still there when i unplugged the rca (symbilink in my case) cables...

    what really made it go away was when i powered off my xenarc...so I rewired it to get power from my cig adapter and it is good now...

    the hd would also introduce some static when it got busy...I screwed the motherboard on a metal plate and grounded that real good...almost can't tell the diff now from when my amp is powered on or off...

  3. #13
    MySQL Error soundman98's Avatar
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    Just a note on monster rcas- compared to lower end cables, they are junk. All of monsters recent RCA cable offerings use twisted pair constuction, which would work fine in balanced audio setups(twisted pair simply subjects the noise to both pairs of the cable, which should in theory cancel it out). Most audio equipment doesn't have it though.

    IMO, the best cables in any price range are home theater grade cables that have a negative shield surrounding a center positive wire- these shield the most important part of the signal.


    Ok, I will go on for a little longer... I tried a x-fi for a little while and also had turn on popping and driver issues with it, so it got scrapped in favor of a differently branded card(esi gigaporthd) that I do not have any of the same issues with.

    Sometimes you will need to put some money into audio cards that fit your install. I went through 3 trying to find the best one for me.

  4. #14
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    Quote Originally Posted by justchat_1 View Post
    Is the noise your hearing from the hard drive or the alternator (does it change when you rev the engine)?

    Most likely its a floating ground on the PC power supply side since theres no ground filtering between the 5v bus and the usb hub on most mobos. What power supply did you go with?
    I got the D945GCLF2 motherboard with a M2-ATX PS. Would you just run a ground to the case from a negative pin on the USB or from a ground wire directly form the power supply?

  5. #15
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    Quote Originally Posted by soundman98 View Post
    Just a note on monster rcas- compared to lower end cables, they are junk. All of monsters recent RCA cable offerings use twisted pair constuction, which would work fine in balanced audio setups(twisted pair simply subjects the noise to both pairs of the cable, which should in theory cancel it out). Most audio equipment doesn't have it though.

    IMO, the best cables in any price range are home theater grade cables that have a negative shield surrounding a center positive wire- these shield the most important part of the signal.


    Ok, I will go on for a little longer... I tried a x-fi for a little while and also had turn on popping and driver issues with it, so it got scrapped in favor of a differently branded card(esi gigaporthd) that I do not have any of the same issues with.

    Sometimes you will need to put some money into audio cards that fit your install. I went through 3 trying to find the best one for me.
    You think I should give that sound card a try? I will check new egg right now and give it a shot. I also have a bunch of high end home audio RCAs I will try out too. Thanks for the advice.

  6. #16
    Variable Bitrate Deric's Avatar
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    I'm using the on-board sound with the CLF2 in a 4 channel setup and have had zero issues. The sound is as good if not better than the head unit it replaced.

    Quote Originally Posted by tech180 View Post
    I got the D945GCLF2 motherboard with a M2-ATX PS. Would you just run a ground to the case from a negative pin on the USB or from a ground wire directly form the power supply?

  7. #17
    Variable Bitrate mayhembdm666's Avatar
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    i just have to say i get good sound with no engine noise even on basic test wire that is twisted in 20 spots and running all over and around the car. The only time i had an issue with sound was when i was using an inverter... Naturally.

    Otherwise never had an issue and this is with onboard and external cards? Then again i have a lot of luck with electricity ... i should be dead at lest 10 times over...
    2004 Holden WL Caprice Auto GENIII
    Base System = Raspberry Pi
    Everything else is pending for now as switched from a Mini-ITX setup

  8. #18
    Variable Bitrate mayhembdm666's Avatar
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    by twisted i mean exposed multi-joined wire and more. As for the quality... it has been better then 99% of head units i have used.
    2004 Holden WL Caprice Auto GENIII
    Base System = Raspberry Pi
    Everything else is pending for now as switched from a Mini-ITX setup

  9. #19
    Constant Bitrate Startingline13's Avatar
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    I use the Alpine H-701 sound processor and RUX controller with my car PC. Enough said.

  10. #20
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    Quote Originally Posted by tech180 View Post
    I got the D945GCLF2 motherboard with a M2-ATX PS. Would you just run a ground to the case from a negative pin on the USB or from a ground wire directly form the power supply?
    You missed the important question....does the noise change when you rev the engine?

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