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Thread: Crossover on PC for SQ + Linux

  1. #1
    Constant Bitrate simplex's Avatar
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    Crossover on PC for SQ + Linux

    Here's the plan:
    For sound quality, i want to eleminate the analogue crossover stage, so instead of using the composite speakers' crossovers, or the amp's, i want to do the crossover in carPC with a 6 or 8 channel audiophile sound card (SNR > 100dBA), and use a 6 channel amp to connent the woofers, the mids and the tweeters separately to the sound card's outputs.
    So if i eleminate an analog stage, i possibly gain SQ. Does it worth it?

    Oh, and just for more fun, i want to do it in Gentoo Linux. I'm a sysop, but I know nothing
    about the advanced audio part of linux, so any info is helpful

    So, i also need a decent sound card for this, supported on linux, requirements:
    -possibly PCI (to save CPU power, i'm using an Atom 330 1.6 Ghz, and I think crossover will eat CPU too)
    -6 or more output channels
    -unbalanced RCA output if possible
    -SNR > 100dBA

    Any help would be appreciated

  2. #2
    MySQL Error soundman98's Avatar
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    the 2 main programs i know of for audio processing are Console, and Audio Mulch, and as far as i know, neither are designed for or support linux. they only have versions for mac or pc.

    a quick google shows that there are linux based audio programs though. i have just never seen any of them discussed here.

    you will need to look for what is called a VST Host-- the audio processing programs would be called VST Plugins-- find one(s) that work best for you.

    http://www.google.com/search?sourcei...linux+vst+host

  3. #3
    Constant Bitrate simplex's Avatar
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    Thanks, google is my friend, but i'm looking for someone who actually
    did something like this with linux, i don't want to spend half year just
    trying out bazillions of open source solutions, just need a working one

  4. #4
    Variable Bitrate
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    LADSPA is the Linux standard for audio plugins. You can use LADSPA plugins with ALSA, and just put the parameters in your .asoundrc file. You can also use JACK, and the JACK Rack plugin, which gives you a GUI interface to LADSPA plugins. You just need to make sure your audio player program can output audio via JACK instead of ALSA.

  5. #5
    Constant Bitrate simplex's Avatar
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    Thaks, so i only need a decent sound card now

  6. #6
    Constant Bitrate
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    Quote Originally Posted by simplex View Post
    Thaks, so i only need a decent sound card now
    what software and soundcard did you end up using?

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