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Thread: can a carputer compete with a head unit for sound quality?

  1. #311
    Maximum Bitrate Borte's Avatar
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    I know a bit about electronics and car audio. I've built a couple of cars in the past.
    The ODR system have been laying around in my basement for about 6 years just waiting for me to buy a decent car to install it in.

    I've been reading a bit more and it seems as the ODR is able to interface with the XM radio so making it talk to my pc (or at least outputting the sound) should be possible. I haven't tried to install it yet, I'm just trying to catch all the "tidbits" before i'm up to my ears inside the car!

    Thanks for the offer JasonWW but I have a couple friends whos also have had ODR systems in their cars so I can try to get some info there (they haven't interfaced anything though).

    Nice install in Dale's car there. Did he install the headunits display separately from the rest of the unit?

    Cheers
    Borte

    Sorry for going kinda off topic in this thread.
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  2. #312
    Maximum Bitrate Borte's Avatar
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    Quote Originally Posted by JasonWW
    Even if the interface works, it is still an analog input. Here's a pic from a different angle:
    http://www.caraudioamps.com/sitemap/...t_id/2224.html
    You would be forced to use the analog out from a sound card. That means 2 channel sound only and the quality would depend on the sound card. Things get a little iffy as far as having a low noise floor. It is prefered to have a digital input like straight from the PC to the Alpine unit. There are good sound cards out there, but I don't know how good that input interface is going to sound. It may not be as good as you would like. You just have a bunch of unknowns there.
    I agree on this Jason but if this is the only option (I really wanna use my ODR system)...
    And it wouldn't be that bad (however not as good as a fully digital option) if I install this interface as close as possible to the soundcard, keeping the analog cables as short as possible the noice picked up from the car should be fairly low.

    Cheers
    Borte
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  3. #313
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    It can interface with XM! XM wasn't even around back then. I'm wondering how it interfaces. With the auxiliary input or through the IP-Bus. That's interesting.

    Even on a PC, the XM units output an analog signal out of the XM unit and you typically jack that stereo signal into the sound cards input. Pioneer might have an interface that puts the XM output right into the IP-Bus. If it can do that, then you might be able to get better sound quality, but the analog signal from the PC is still going to add some noise.
    Let us know as you find out more.

    I don't remember the details on Dale's system. He was changing and modding stuff constantly. He did have 4 5" subs in each door in a sealed enclosure. The windows only rolled down an inch or two. He had stereo bass down really low which is the one area he had an advantage over me. Man, I liked that stereo bass.

  4. #314
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    Quote Originally Posted by Borte
    And it wouldn't be that bad (however not as good as a fully digital option) if I install this interface as close as possible to the soundcard, keeping the analog cables as short as possible the noice picked up from the car should be fairly low.
    It's not the noise that might get induced into the RCA's that Im talking about, it's the noise from the sound cards output components as well as any noise from the adapters electronics. Those can add up and raise the noise floor which can creat a faint hiss in the background.

    So far that adapter and a sound card seems like the only things you would need to by. I would suggest putting all the parts in the car and using that adapter with a Chaintech AV-710 sound card $30, use channels 7 and 8 from the card and set the drivers to high sample mode on 7&8 and see how it sounds. If it has promise, you can use a better, more expensive sound card.

  5. #315
    Maximum Bitrate Borte's Avatar
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    Tnx Jason. I'll give it a try.

    I'll keep digging and post my findings...

    Btw: Heres some info on ODR and XM: http://www.carsound.com/UBB/ultimate...=001250#000006

    Cheers
    Borte
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  6. #316
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    That thread helps a lot. The ODR does use the IP-Bus and the XM uses an interface with the IP-Bus, not the aux input. I wonder what other devices can interface with IP-Bus?

  7. #317
    Maximum Bitrate Borte's Avatar
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    You have some more interfaces here: http://www.vitat.spb.ru/eng/index.php?L1=ip-bus
    Failure is not an option...
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  8. #318
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    .... gotta love all the online scams people come up with now adays..... I got a bogus "second chance offer" for that h900 I bid on..... looked real good & I could see this suckering someone...... took me a little while to figure out it was bogus....

  9. #319
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    I got a legit offer when I lost a bid on my H700. Another guy e-mailed me through E-bay. I think he was watching that auction to see what it would sell for so he could set a price on his.

    So tell us how you know it was NOT legit. Could be useful for us.

  10. #320
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    it wasn't from ebay.... it was from some other email address & requested a direct response to the e-mail...... I then went into my ebay to see the second chance offer & there was none there...... I then looked at the buyer's feedback from the 900 & he was left a good feedback for prompt payment from the seller..... it all just added up to fraud......... I did email the seller to be sure, but got no response yet.....

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