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Thread: Need advice on OS/hardware capabilities

  1. #1
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    Need advice on OS/hardware capabilities

    Need advice on OS/hardware capabilities

    I have a car PC that I am using only as a CD player in a 57 bel air. Just a 2.5” screen so that I can read a playlist. My question is would it be wise for me to use a free Linux distribution as my OS. My concern is that I get bit perfect digital audio out. Dose linux and its drivers have the same type of problems with bit perfect that windows and many of its drivers have? Is it any easier to get a fast boot? I would also like to be able to use a character LCD to view the current playing song and info. Any one have any leads for a Linux media player that can do this? I don’t need to be spoon fed but, any solid advice or leads would be greatly appreciated.

  2. #2
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    Check this out http://www.mini-itx.com/projects/headunit/

    The guy used freedos and mpxplay, a dos based audio program with quite a bit of features, including ability to play lossless audio and output to small LCD screen. Since its DOS, the system boots right into the program with no OS load time. It Sounds like what you're looking for

  3. #3
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    That dose sound very good and it might be what I end up doing. Though I do need a graphic color display that can run a screen saver with my sponsors logos on it, so an OS with a GUI would be nice. I think that I might just have to set up a separate system for that function. Any other suggestions or info?

  4. #4
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    I have never heard of the bit perfect problem before I read this thread... so my apologies in advance for anything that I may have missed or anything that might show ignorance on my part.

    I did do quite a bit of searching though... and from what I have come up with the problem is actually the sound card itself. Most cards resample the sound data before sending it out. CD sound is recorded at 44.1 kHz (44100 samples/second) 8 bits/channel. The sound card for some reason then resamples to 48 kHz 8 bits/channel.

    I'm guessing Windows has come up with a way to resample the data before sending it out to the sound card so to try and make it appear to come out right.

    Creative Labs XFi based sound cards have the ability to be set up to not resample the stream from what I just found. I didn't take the time to look up any others, but I'm sure there's others somewhere.

    I think it may be possible to get a faster boot from Linux. It depends greatly on your experience with the OS. If you have not ever used it or are fairly new then it probably won't be any faster as I would recommend using a distribution as opposed to the methond I had in mind. It still may be possible... I have just never tried to do it with a destribution. I could point you towards some info if you like.

    If you're looking into compressed audio files I would definately look into FLAC. It is a open source lossless compression that Linux supports. Personally I haven't done much with it yet, but I know many Linux audio players support the format. I plan to keep the mp3 files I have that I won't be able to convert due to the cds being scratched or whatever, and use FLAC to do the ones I can here in the next few weeks. Will be able to tell you more then.

    Hope this helps a little...

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