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

  1. #301
    FLAC
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    Quote Originally Posted by Red GTi VR6
    That might sound like just a bunch of jibber jabber...lol
    No, that makes sense. They may even profit some by the exposure of having such an elite, state of the art system. It starts a buzz and creates good publicity.

    If either of you two are good at tuning systems, check out this page I threw together.
    Rough tune on your EQ
    If you see a flaw or have some advice, please post something so we can help these guys get their systems sounding better.

  2. #302
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    this is like the guy who goes out & buys the latest greatest dual core pc w/512mbgraphic card/2 gig's of ram, etc...., then uses it 95% of the time to browse the web

    I only use some of the features of the 700.... would only use some of the features of a 900 too.... but the upgradability is still there, if I decided to addrear fill or even attempt a center channel I have the option to do so....

    btw jason, you should try the media expander with mp3's or xm.... it decompresses the music in a nice way.... & is an advantage of these processors that you shouldn't miss out on....

    time delay for left & right is bull.... as you improve the drivers point source reference your making the pssengers possition that much worse..... ... mid to high relationshipcan be helpd, as well as front to rear,& the biggestadvantage there is being able to fine tune the sub phase.... sorry for sloppy typing, but I'm in traffic

  3. #303
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    I tried the MX1, 2 and 3. MX1 might come in handy for dull sounding songs, but the other 2 are very extreme sounding. Too much so. I don't have XM radio yet, so MX1 setting may help there.

    In my car I pretty much have very similar path lengths between the mid (door) and tweet (A pillar) and the left to right imaging is pretty good. I think the center image in my car is biased a little towards the listners side, so that's not so bad. I kind of like it. I don't think I'll need any time correction in between the front speakers, but I would like to delay all of the front speakers an even amount to get the sub in the rear to reach my ears at the same time as the front speakers. I think that's the one area the time correction could help me. I haven't studied up on how the H700 does that yet, but I'll look into it soon.

  4. #304
    Maximum Bitrate Borte's Avatar
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    Hello guys!

    I've been reading this forum for a while but now I have a few questions...

    I'm planning to put a carputer in my car but I'm having a few issues with the sound setup.

    I was planning to us a Pioneer ODR (the first model) headunit and preamp together with a carputer setup. I already have the Pioneer ODR units. But after reading this thread I ended up with a few questions...

    My reason for installing the ODR unit was that this unit has the ability to set different soundstages (with time compensation), it has a built in equalizer and crossovers. Can all of this functionality be replaced with a soundcard? Can I get time compensation functions and crossovers on the computer? I already have SB Audigy Platinum and SB Audigy Platinum 2 in my computers. Can I use this? I know that the SB cards have a built in equalizer but it's not as advanced as it's in the ODR unit. And can a computer actually match the S/N levels and sound quality of a car audio system?

    Thans for any comments and replies!

    Cheers
    Borte

    PS: Please ignore any typos since English is not my native languge.

  5. #305
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    The ODR! That was the Poineer model I was thinking of.

    I really don't know the specifics on that system or if it used an SPDIF signal or some proprietary digital output. I'm pretty sure it wasn't designed to be used with a PC.

    Quote Originally Posted by Borte
    My reason for installing the ODR unit was that this unit has the ability to set different soundstages (with time compensation), it has a built in equalizer and crossovers. Can all of this functionality be replaced with a soundcard? Can I get time compensation functions and crossovers on the computer? I already have SB Audigy Platinum and SB Audigy Platinum 2 in my computers. Can I use this? I know that the SB cards have a built in equalizer but it's not as advanced as it's in the ODR unit. And can a computer actually match the S/N levels and sound quality of a car audio system?
    No, computers can't really act like a x-over or do time alignment. I saw a few EQ programs, but they were very expensive.

    As far as matching the S/N levels and sound quality of a car audio system. It depends. You have to think of the PC as just a source. You still need a good car audio system to play the music. Using the SPDIF output of my $30 sound card and jacking it into the Alpine H700 processor will give you a lower noise floor than most regular car systems and that's a big plus. The sound quality seems just as good as well. It depends on whether your using a CD or wav file from the hard drive or a compressed MP3. Even MP3's sound extremely good.

    Hopefully someone with more ODR experience can chime in. I'm going to guess that the ODR and a PC just don't go well together. Do you have any links or info on the ODR?

  6. #306
    Maximum Bitrate Borte's Avatar
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    Tnx for the reply!

    The ODR system uses a proprietary bus system and I havent found any possibility for having an AUX input on it either! So SPDIF wont help. I guess I'll have to dig up a interface somewhere.

    No, computers can't really act like a x-over or do time alignment. I saw a few EQ programs, but they were very expensive.
    I guess this pretty much gives the answer to my question since I don't want to lose the time compensatin and Xover functionality. As written earlier in this thread the time compensation is really important for greating a proper soundstage.

    Here's some info on the ODR system: http://www.geocities.com/MotorCity/1500/odr.htm

    But it's not built for interfacing with a pc as this system was a HIGH END car audio systym designed for competitions!

    Update: I think I can use this interface but i'm not sure: http://www.pioneerelectronics.com/pn..._32762,00.html

    Cheers
    Borte
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  7. #307
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    Yea, I knew a guy with one and saw some on the sound off circuit. I remember that it was digital all the way from the source to the amps. If your sure it uses a proprietary bus system, then it's not going to mesh well at all with a PC. I thought it would at least have an aux input!

    I know the Alpine H510 and H700 were designed to accept the SPDIF inputs. They were built up around the idea of car use from those sources so a PC interfaces really well.

    I hate to say it, but you would probably have to run the ODR with no PC connected to it and run a PC seperately for internet, video (although no sound!) and that doesn't sound very good to me.

    I know this sounds horrible, but have you considered selling the ODR and getting an H700?

    On that adapter, you might have to contact Pioneer to see if the ODR uses the IP-Bus. I know the ODR is pretty old, the IP-Bus may be a newer interface.

    Do you know anyone else with the ODR?

  8. #308
    Maximum Bitrate Borte's Avatar
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    Running the ODR with no sound from the PC is not an option. It's everything or nothing here!

    I'm not quit willing to give up yet. I'll keep browsing for any information about interfacing with the ODR system.

    I think it's using the IPBus altough I'm not sure (not a lot of information out there on the ODR system), if it is however I should be able to use that interface.

    Btw: Here's some more ODR information: http://home.swipnet.se/~w-32786/odrspc.htm
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  9. #309
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    I think you need to find an ODR expert.
    I have no idea what your background is. I hope you didn't buy a used ODR system with the idea of interfacing it with a PC. Maybe you had the ODR for a while now?
    If you don't know anyone familiar with the ODR, I can poke around. I fellow near me named Dale Fontenot had an ODR. I had the privledge of listening to his Thunderbird at a competition and it was truly amazing. A little better than my own system, but just a little.
    http://milbert.com/dale/
    He sold the car a few years ago, but I might be able to get ahold of him.

  10. #310
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    Quote Originally Posted by Borte
    I think it's using the IPBus altough I'm not sure (not a lot of information out there on the ODR system), if it is however I should be able to use that interface.
    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.

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