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Thread: easy to use carPC for Sound Quality?

  1. #1
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    easy to use carPC for Sound Quality?

    Hi!

    I'm new to car PC but not new to car multimedia. I'm building a sound quality system in my VW Golf -09 with the purpose to compete in EMMA SQ and everyday use.
    My plan was to use a Logitech Squeezebox Touch>optical>Audison Bitone. But the Touch was way to unstable, crash, freeze and loses the connection to external hdd way too often. So I need a new plan!

    My demands are:

    Since everyday use, low boot time.
    Play flac, Wave etc.
    Sound Quality to the max, so i'm thinking external DAC etc?
    Stable and easy software

    What do any need? Witch solutions is easy and best for sound quality? Software?

    Found this in the store: http://store.mp3car.com/Direct_Fit_D..._p/dsh-029.htm Should fit my Golf too. Any good?

    THANKS!

  2. #2
    Maximum Bitrate rray's Avatar
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    Welcome to mp3car.com!

    I built a windows8 carpc with USB DAC, using the Objective DAC board feeding an MS-8 processor. It has a 2vrms line out at >3KOhms, so is perfect for transparent audio. There are several Android tablets running Jellybean that also support USB DAC's, that will fit into your car too.

    I'm building a new carpc right now, which has windows 7 but boots in <10 seconds, using a Jetway NF9G-QM77 Intel Socket G2 Core Mobile Mini-ITX board with a i7 Mobile I7-3612QM 35Watt laptop pull I got cheap off ebay. I put a 256GB SSD and 4GB of high temp rated memory in a Voom2PC case. For DAC I used the Hifimediy Sabre USB DAC ES9023+Tenor TE7022, 96khz/24bit, 96/24 +usb to optical that i got off ebay for $45, and it's as good as the ODAC, with a fast USB receiver so FLAC plays seamlessly.

    If you built something like this, and put it in the trunk, then ran a USB cable and HDMI cable to your screen, you would be set! Your sound quality would be better than most of the highest end car receivers can produce.

    Here is a link to my first carpc build with the ODAC, so familiarize yourself with what is involved, and the people here on the forum love to offer help with problems you may encounter.

    -Robert

  3. #3
    Constant Bitrate FockMasterDan's Avatar
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    Quote Originally Posted by rray View Post
    Welcome to mp3car.com!

    I built a windows8 carpc with USB DAC, using the Objective DAC board feeding an MS-8 processor. It has a 2vrms line out at >3KOhms, so is perfect for transparent audio. There are several Android tablets running Jellybean that also support USB DAC's, that will fit into your car too.

    I'm building a new carpc right now, which has windows 7 but boots in <10 seconds, using a Jetway NF9G-QM77 Intel Socket G2 Core Mobile Mini-ITX board with a i7 Mobile I7-3612QM 35Watt laptop pull I got cheap off ebay. I put a 256GB SSD and 4GB of high temp rated memory in a Voom2PC case. For DAC I used the Hifimediy Sabre USB DAC ES9023+Tenor TE7022, 96khz/24bit, 96/24 +usb to optical that i got off ebay for $45, and it's as good as the ODAC, with a fast USB receiver so FLAC plays seamlessly.

    If you built something like this, and put it in the trunk, then ran a USB cable and HDMI cable to your screen, you would be set! Your sound quality would be better than most of the highest end car receivers can produce.

    Here is a link to my first carpc build with the ODAC, so familiarize yourself with what is involved, and the people here on the forum love to offer help with problems you may encounter.

    -Robert
    The core of your plan is definitely the way to go. Whatever computer you use you just need to make sure you get a quality DAC into a sound processor. I use an all in one miniDSP unit from an optical out off my PCMCIA sound card. I could also just use a cheap and easy USB digital output but I already had the sound card.

    Dedicated sound processors are great at their jobs. Let them do that heavy lifting and take the burdeon of anything like that off the computer. All it needs to do is run the front end and media software.
    Computer is in the car, but in a very "raw" install right now.

    Worklog - here

  4. #4
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    Quote Originally Posted by rray View Post
    Welcome to mp3car.com!

    I built a windows8 carpc with USB DAC, using the Objective DAC board feeding an MS-8 processor. It has a 2vrms line out at >3KOhms, so is perfect for transparent audio. There are several Android tablets running Jellybean that also support USB DAC's, that will fit into your car too.

    I'm building a new carpc right now, which has windows 7 but boots in <10 seconds, using a Jetway NF9G-QM77 Intel Socket G2 Core Mobile Mini-ITX board with a i7 Mobile I7-3612QM 35Watt laptop pull I got cheap off ebay. I put a 256GB SSD and 4GB of high temp rated memory in a Voom2PC case. For DAC I used the Hifimediy Sabre USB DAC ES9023+Tenor TE7022, 96khz/24bit, 96/24 +usb to optical that i got off ebay for $45, and it's as good as the ODAC, with a fast USB receiver so FLAC plays seamlessly.

    If you built something like this, and put it in the trunk, then ran a USB cable and HDMI cable to your screen, you would be set! Your sound quality would be better than most of the highest end car receivers can produce.

    Here is a link to my first carpc build with the ODAC, so familiarize yourself with what is involved, and the people here on the forum love to offer help with problems you may encounter.

    -Robert
    Thanks!

    I'm thinking of doing it easy for me with the screen and just buy this: http://store.mp3car.com/ProductDetai...ctCode=DSH-027 or isn't any of those screens good enough? I've read some abut the problem with screens not having high enough resolution for Win8?

    So then about the software, what are most of you guys using? I've tried XBMC at home on my Raspberry Pi, but it bugs a lot, mostly because of the Pi..

    I guess that i could build any kind of computer I want, and just put in one of these DC-DC supply? http://store.mp3car.com/M4_ATX_HV_25..._p/pwr-042.htm

  5. #5
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    Quote Originally Posted by FockMasterDan View Post
    The core of your plan is definitely the way to go. Whatever computer you use you just need to make sure you get a quality DAC into a sound processor. I use an all in one miniDSP unit from an optical out off my PCMCIA sound card. I could also just use a cheap and easy USB digital output but I already had the sound card.

    Dedicated sound processors are great at their jobs. Let them do that heavy lifting and take the burdeon of anything like that off the computer. All it needs to do is run the front end and media software.
    Didn't see that software link at first. Thanks!

    This just came to my mind about the internal DAC in the Bitone. Is there any way to go past that one by maybe go USB>External DAC>analog in Bitone? Is that the way to go? OR maybe use the soundcard in the computer to go Optical>DAC>Bitone?

  6. #6
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    I see that many of you are using Windows, is that because of the compatibility to use different programs? Roadrunner seems good, I will have to download some different frontend softwares to my desktop and try them.

    I think I want it to boot directly in to the frontend software when I start the car. But be able to switch to different programs if I want to. Like DSP software etc.

  7. #7
    Constant Bitrate FockMasterDan's Avatar
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    Is there something wrong with the dac in the bitone? I haven't used that one before, I have a minidsp 2x8 and it's my first experience with an external dsp. I tried software options on the computer with my soundcard before that wasn't reliable.
    Computer is in the car, but in a very "raw" install right now.

    Worklog - here

  8. #8
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    No not really, I can just go with a USB-Optical DAC so I can get a good signal from the computer.

  9. #9
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    I came up with a few more questions.

    How are everyone that is using a carPC in their every day car? Does you PC shut down every time you stop at the store and jumps in after a minute to start the PC again? dont know how convenient that would be..

    And also, if you wire it to cut the power trough the PSU every time you turn the key, wont the PC take harm of that? Or are you forced to wait for it to shut down properly until you can turn off the key?

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