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Thread: On-board Audio VS. Sound Card

  1. #41
    Self proclaimed spoon feeder TruckinMP3's Avatar
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    I think some people can hear the differance.... If the two cars I have tried with my set up allow for any change to be heard, I can not tell.
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  2. #42
    Maximum Bitrate starfox's Avatar
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    Quote Originally Posted by Nick1_S
    In conclusion, looking from an electrical point of view, a sound card in a pc inside a car, is a nightmare for any engineer looking to reduce noise. And shielding cannot cure it, any signal line in our out of a shielded box will be prone to noise pickup. Shielded cables can help, but is your pc in a farraday cage? If you were to place a spectrum analyser hooked up to antenna inside a car, and wave it around up in the engine bay and then at the pc, I am sure most audio enthusiasts would have a heart attack.
    I might end up doing this sometime next year as part of a University project.. (building a data acquisition system for a prototype solar / hydrogen car with electric drive.. gonna be fun trying to make any readings in such an environment). If anything comes out of it i'll post results here.

    I'd like to think that noise is horrible in the engine bay, but behind the firewall in the passenger compartment, this should be reduced by a lot due to shielding from the chassis and the inverse square law... Maybe we should all look at mounting our equipment in our boots..

  3. #43
    Nic
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    my equipment is in the boot
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  4. #44
    FLAC Pudge's Avatar
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    Quote Originally Posted by TruckinMP3
    For a 2d display and any given front end used to play music... Ya it is the same, In fact it uses more power, costs more and generates more heat. In my book, High end video solutions are not good for a car install playing music.

    I have used two MBs one has onboard sound the other needed a card. I tried an old ISA soundblaster and a Diamond Monster PCI card.... all 3 sounded the same to me.

    Touche~! I was just making a point, and referring more to performance than a 2d desktop. Better processing etc, but i worded it poorly, so alas, you win. Oh BTW i'm using onboard video.
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  5. #45
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    i also have to say im VERY please with my m-audio device. sound quality is excellent and no problems at all!

    http://www.m-audio.com/products/en_u...SB-main-1.html

    it can be had for MUCH cheaper than this also, for those that are pricing their options. got mine for about 70 bucks.

  6. #46
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    Does anybody have any experience with the sound quality of VIA's Mini-ITX boards with the 5.1 output? Specifically the V- or M-10000 models. Thanks

  7. #47
    Constant Bitrate IonDokk's Avatar
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    Quote Originally Posted by pdekraker
    Does anybody have any experience with the sound quality of VIA's Mini-ITX boards with the 5.1 output? Specifically the V- or M-10000 models. Thanks


    It works ok but a good audiocard is essential if you are going to need an extra input as well as use the onboard for 5.1, you can't do both. The audigy z boards, especially for 5.1 just rule, I actually do a true 7.1 and i personaly would rather sit in my ride than go to the theatre. not to toot my own horn.
    Epia M1000 1.2gig, Toshiba 40gb HD, Itronix 60gb HD, 512ram,PCR, Audigy2zs, 2 Xenarc 7" , FRODOPLAYER Trying RR frontend , 2@1600/w Harrison labs amps & Caps, Focal & MB-Quart midrange, Diamond Audio D6 Subs, Mb Quart Tweets, 2-Audiocontrol three.1 !

  8. #48
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    When you say I will need an "extra input as well as use the onboard for 5.1, you can't do both", I'm assuming you are talking about something like a radio tuner input. For this setup I will be running it sans radio; just CD audio and mp3's on the computer. This way I can use VIA's nifty 5.1 output option. I intend to leave room for a dedicated soundcard though (to be installed eventually). I just wanted to make sure the thing wasn't going to sound awful with the onboard audio chip. Thanks for the input, and the tip on the Audigy board.

  9. #49
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    The basic RME cards (96/8) sound great, but are probably too much for most car installs.

    Anyone who thinks that all D/A converters sound the same needs their ears cleaned out.

    You have to understand two things, the law of diminishing returns and component quality.

    The law of diminishing returns is very obvious in D/A converters. Say your onboard sound has about 95% of the full quality. You aren't nessasarily going to notice that if you go the next stage up to a creative card (say about 96%). They all put out reasonable sound quality, but onboard sound will always loose.

    Component quality... this is where the diminishing returns REALLY come into effect. Say yout cheep onboard sound uses some $0.99 converter chip and a $0.20 capacitor to output the sound, whereas a really high end converter will use a $50 chip and a $5 cap. This is all to get that extra 4% or so of quality. Value for money? No, but there IS a quality difference.

    Another thing no one has touched on is the word clock. This is the clock that tells the A/D converter when to process the digital sample. If this clock is jittery the sound will be crunchy and 'digital' sounding. Again, we are looking at maybe a 2% improvment in quality, but if you listen you will hear it. there IS a reason recording studios invest thousands of pounds in a word clock generator ALONE, nevermind three thousand pounds for a MONO microphone preamp! The difference is there to hear.

    Overall, never assume that everything sounds the same, or that x sounds better than y without LISTENING to the difference first. Use your ears!

  10. #50
    Constant Bitrate IonDokk's Avatar
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    Actually the onboard sound is fairly well done it is definatly true though what electronik said if you spend some dough you can get better performance. I really would like to get even better sound than what this audigy can produce ... But no one seems to have a real strong opinion on any great cards. But good luck anywho It's good to see audiophiles getting into this stuff. Hopefully when my kids need thier systems installed in there cars I'll be able to shelf buy everything they need!
    Epia M1000 1.2gig, Toshiba 40gb HD, Itronix 60gb HD, 512ram,PCR, Audigy2zs, 2 Xenarc 7" , FRODOPLAYER Trying RR frontend , 2@1600/w Harrison labs amps & Caps, Focal & MB-Quart midrange, Diamond Audio D6 Subs, Mb Quart Tweets, 2-Audiocontrol three.1 !

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