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Thread: MPXPLAY far too fast!

  1. 12-10-2002, 07:31 PM #1
    CoyoteBoy
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    Question MPXPLAY far too fast!

    I've got mpxplay playing on a P166MMX with 32mb and a 2 gig disk. All runs brilliantly - or should when i upgrade my girlfriends PC so i can steal back my old SB16 (Cant get any other to work from a dos start).

    The problem is it works too well - how come I can play a 4 minute file in about 35 seconds? Processor usage hits 99% and file plays at super-speed. Since it can only be slowed to 60% how the hell do I get it down to normal speeds????

    Cheers all
    James
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  2. 12-10-2002, 08:09 PM #2
    GRUNT
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    Make sure you have your DMA and IRQ settings,
    are correct for your sound card.

    If I remember, there is some info on this problem
    in the TXT files that come with MPXPLAY.
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  3. 12-11-2002, 05:33 AM #3
    CoyoteBoy
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    Yeah, I found the bit about using an IRQ from 3-7 inclusive, so I'm running it on 5. I didnt spot anything to do with DMA - will check again later

    The card I'm using is a Crystal one - Pine Technologies 4281 I think, though its the PCI version - would I be mistaken trying to run a PCI card from a dos program?? I wasnt aware but its a long time since I ran dos (I prefered dos to win anyways!) My sb16 is the ISA version I know I have the dos drivers for but the Crystal/pine one I dont have dos drivers for and their tech support said it would work anyways if the program knew how to use it which I thought mpxplay might.
    Still, does this solve the speed issue too?

    Cheers,
    James
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  4. 12-11-2002, 12:16 PM #4
    bh76
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    MPXPlay doesn't have built-in support for PCI soundcards. Most PCI soundcards do have a "legacy mode", but usually that means emulating a SB Pro. Unless you consider 8bit 22khz sound acceptable, you'll probably want to switch cards.

    Some options to consider:

    Crystal 423x based ISA soundcards. These cards have WSS (16-bit 44khz) as one of their legacy modes. I'm using one of these in my car-computer (Turtle Beach Malibu, CS4237) Clean sounding. Works great once everything is set up properly.

    Sound Blaster AWE64 ISA. Full SB16 compatability, better sound quality than older SB16 cards.

    Sound Blaster Live/Audigy PCI. These cards have a SB16 compatible legacy mode.
    http://thecoldfront.com
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  5. 12-11-2002, 02:33 PM #5
    Zip-Lock
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    Re: MPXPLAY far too fast!

    Originally posted by CoyoteBoy
    .....I can play a 4 minute file in about 35 seconds..
    Drugs maybe? Speed?
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  6. 12-11-2002, 02:38 PM #6
    CoyoteBoy
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    certainly looks like it! It just goes mental and starts whazzing away to itself. Almost said whizzing Might go to a win98 with no swap file - run winamp instead of dos. Just dont like the idea of it - dos is happy being turned off abruptly!

    I wonder..if you turn off the swap file on a win98se install....

    JB
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  7. 12-11-2002, 02:49 PM #7
    GRUNT
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    (.....I can play a 4 minute file in about 35 seconds..)

    From moreinfo.txt in your MPXPLAY directory

    "If the playing starts, but it runs very fast (4x-10x faster) or
    it plays a short block of music, after that it stops,
    then your DMA (or the IRQ) value is incorrect.
    Try the -sct option, maybe it shows the correct value(s)."
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  8. 12-11-2002, 04:12 PM #8
    CoyoteBoy
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    Cheers Grunt, I'll check out the requirements in a mo - just ripping all my CDs to my carputer drive as we speak

    Ta for the pointer - maybe its 'cos I'm in test mode with no sound card running at all thats upsetting it.

    Cheers,
    JB
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