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Thread: Sound Card with Time Correction

  1. #1
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    Sound Card with Time Correction

    hey guys,

    i'm going to be going from a very high end headunit to a carputer and was wondering if anyone knows of any good sound cards with the time correction and bass focus functions my alpine headunit has. they play an instrumental part of the quality sound reproduction in my system and i dont want to downgrade on sound quality

    also, if u know of a USB one, that would be preferred to due to the noise issues everyone on these forums rants about.

    cheers!
    sang

  2. #2
    Maximum Bitrate hd54321's Avatar
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    I may stand corrected, but I don't know of any soundcard with all the functions you listed.

    If you are really looking for High Quality Competition sound, do yourself a favor and purchase one of the standalone mobile signal processors. The two that I know of are:

    1.) Panasonic CY-AC300 Dolby Digital/DTS decoder;
    2.) Clarion DVH920 Dolby Digital/DTS decoder and the LCD Controller for this unit.

    I've provided the cardomain store links above, but these units can be had for MUCH cheaper on eBay. Both of these units can act as standalone - your computer plugs into the unit and the unit plugs into an amp. I know for a fact that the Clarion unit has delay timing, but I'm not sure about the Panasonic unit. A few members of our forums have used the Panasonic unit - one such person is Antimatter. Search his posts and you will see a whole thread he has about Dolby Digital in a car.

    There is a newer Clarion processor unit called the DVH940, it works with DVC920 LCD Controller and it's more expensive than the older processor, the DVH920 - I am not sure what the advantage is over the older unit.

    Good Luck.

    -HD

  3. #3
    Raw Wave Confused's Avatar
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    Not sure whether this will do all that you want it to, paired with a SB Audigy for example


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  4. #4
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    thanks guys. if i cant find a soundcard/software to support speaker time correction, i think i may have to go with the clarion items or something equivalent.

    the panasonic item would not be possible because i'm gonna be out of DIN space in my honda integra (acura rsx in the US). otherwise i'd hook up the pc to my headunit through the aux input and would keep the HU.

    that software looks hardcore!

  5. #5
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    Why would you need time correction on the computer? If you run it through AUX in you wouldn't need it. You can get an AUX adaptor for all Alpine units.
    89 Mustang (Autox, road race, and cruiser)
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  6. #6
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    Quote Originally Posted by DriverDan
    Why would you need time correction on the computer? If you run it through AUX in you wouldn't need it. You can get an AUX adaptor for all Alpine units.
    Maybe he means delay. To properly stage the sound since not all speakers are equal distance from the driver. If so, isn't that a bit anal? Unless you're competing.

  7. #7
    Newbie NTurkey's Avatar
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    Quote Originally Posted by ppgt94
    Maybe he means delay. To properly stage the sound since not all speakers are equal distance from the driver. If so, isn't that a bit anal? Unless you're competing.
    He probably does mean "delay". I'm using the Alpine PXA-H701 (and RUX-C701 interface to it). It makes a huge difference. I'm not competing, but I do like really good sound.
    2004 BMW 330Ci

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    Computer: Shuttle XPC P4 3GHz HT, 1G, 160GB HD, WinTV
    Software: StreetDeck ... soon with wicked cool speech integration ...

    Install (A/C/S): 100/100/90 %

  8. #8
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    Quote Originally Posted by DriverDan
    Why would you need time correction on the computer? If you run it through AUX in you wouldn't need it. You can get an AUX adaptor for all Alpine units.
    sorry for the misunderstanding, i am replacing my headunit with a pc, so i want to replicate this function i have on the alpine head unit.

    Quote Originally Posted by ppgt94
    Maybe he means delay. To properly stage the sound since not all speakers are equal distance from the driver. If so, isn't that a bit anal? Unless you're competing.
    yep, time delay. it makes a hell of a lot of difference. before i set time correction on my headunit u could really tell where the sound was coming from and the front splits lacked mid bass. now it feels like its all on top of you. it sounds awesome.

    isn't getting a touchscreen lcd, installing a bling bling audio/visual command system in your car anal? it's all personal preference, what's important to u? sound quality is important to me. and yes i will be competing

  9. #9
    FLAC ppgt94's Avatar
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    Quote Originally Posted by sangsational
    sorry for the misunderstanding, i am replacing my headunit with a pc, so i want to replicate this function i have on the alpine head unit.



    yep, time delay. it makes a hell of a lot of difference. before i set time correction on my headunit u could really tell where the sound was coming from and the front splits lacked mid bass. now it feels like its all on top of you. it sounds awesome.

    isn't getting a touchscreen lcd, installing a bling bling audio/visual command system in your car anal? it's all personal preference, what's important to u? sound quality is important to me. and yes i will be competing
    How does the delay sound in the passenger side? I would imagine that it sounds pretty off? I would do this but that's why I haven't. I guess a CarPC could be considered anal

  10. #10
    Maximum Bitrate starfox's Avatar
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    Quote Originally Posted by Confused
    Not sure whether this will do all that you want it to, paired with a SB Audigy for example
    Only problem with the kx drivers at the moment is that you need an older sound card to use them properly.. (any Audigy 1, third generation sound blaster live).

    The Audigy2 series aren't fully supported at the moment (and the Audigy 2 LS isn't supported at all), and the current SB Lives aren't either as Creative's economised the board and run all channels through the AC97 IC.

    Other than that, they're really good. I had them running in my car (until my carpc was stolen.. bastards), and i had bass redirection set up, parametric eqs on all channels and delay set up for my front speakers to time with my sub. They're really really good.

    If you do decide to use them, try to get an Audigy 1 to run them on. The Lives don't have enough registers to do lots of fancy stuff.

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