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Thread: Car PC Audio Questions

  1. #1
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    Car PC Audio Questions

    Afternoon all.

    I have had a car PC for about a year now and slowly realising my Audio isn't as good as it can be...

    Basically i have 2 amps for speakers and subs...

    1 amp for all 4 speakers and 1 amp for sub...

    they all plug into the green output on the motherboard via Y connectors.
    I believe that im not getting separate Subwoofer and seperate speaker inputs from these. As my mate has the same SUB which is being powered by a normal head unit and sounds 10x better than mine...

    Any suggestions would be amazing thanks in advance.

  2. #2
    Neither darque nor pervert DarquePervert's Avatar
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    The Y connectors for your audio signals are part of the problem, methinks.
    You're splitting the signal in half for each line.

    Two possible solutions:
    1. Configure your sound card/chipset to output 5.1 and ignore the center channel. Then use headphone jacks into RCAs for each audio channel.
    2. Put an EQ/preamp between the PC and the amps. Run simple L/R stereo into the EQ/pre-amp and let is split the signals into 4.1.

    I use the second option. It makes for less headaches, especially when you get an MP3 that someone encoded for only 2 channels or something stupid.
    You get the added benefit of higher audio signal voltage feeding the amps, which results in better overall sound quality.
    Have you looked in the FAQ yet?
    How about the Wiki?



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  3. #3
    Variable Bitrate
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    For starters, i beleave that the motherboard sound card, can never, give you high enough quallity, to make perfect use of the two amplifiers... in my car i use an external USB sound card.
    When you split the signal, you only have left and right channels. but keep in mind that car audio systems, are not designed for "5.1" or similar setups... each car has different speakers in different places.. i beleave that one good solution would be to buy a pre-amp equallizer. give the low pass outpout to the amplifier that drives your woofer, and split the mid and high outpouts, between your front and rear...

    but, i am no expert, and i am pretty sure there can be better solutions... :/

  4. #4
    Neither darque nor pervert DarquePervert's Avatar
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    Quote Originally Posted by settra View Post
    For starters, i beleave that the motherboard sound card, can never, give you high enough quallity, to make perfect use of the two amplifiers... in my car i use an external USB sound card.
    Ten years ago, I'd agree with you.
    Currently, I think audio hardware has improved exponentially, to the point that an onboard sound card's quality is as good as any other add-on sound card (internal or external) save for the highest quality audiophile-oriented hardware, which is cost prohibitive to most of us.


    When you split the signal, you only have left and right channels. but keep in mind that car audio systems, are not designed for "5.1" or similar setups... each car has different speakers in different places.. i beleave that one good solution would be to buy a pre-amp equallizer. give the low pass outpout to the amplifier that drives your woofer, and split the mid and high outpouts, between your front and rear...
    I agree with this. It's the very reason I use a pre-amp/EQ in my setup.
    (AudioControl Three.1 if you're at all interested)
    Have you looked in the FAQ yet?
    How about the Wiki?



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  5. #5
    Maximum Bitrate
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    Many here also use a USB DAC. Those can be as complicated as you want to get or can afford.

    Especially if your motherboard can handle optic output for your audio.

    Regardless of what you use the PROPER way to do it is as has been mentioned. Send your 2 channels to a sound processor that will do the work for you. As it is you are reducing your output to your devices and you have no cross over so all of your speakers are running full range which is very inefficient.

    A simple USB dac can be had for somewhat cheap but so can a digital crossover that you need.

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