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Thread: 8 Channel USB sound device for LaserBoy

  1. #1
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    Default 8 Channel USB sound device for LaserBoy

    Check this out! I just got two of these today! It is a CM6206 chip; which is a second generation to the C106L that is on the other USB sound device.

    http://www.usbgear.com/USBG-SOUND-71.html

    It has a full sized USB input port. That's nice!

    I still don't have this one all figured out yet. Whe I measure the idel voltage on the outputs before the decoupling caps, I get about 1.25VDC. That's only half of what I should get. Maybe I should work with it like a sound card first, before I go hacking it! It has push buttons on it for external volume. That might be something to have to work around.





    James.
    Last edited by James Lehman; 09-11-2008 at 21:10.

  2. #2
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    you finally got it in?

    geez! well keep us updated on it!


    also im pming you right now!
    -Josh

  3. #3
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    Default

    Yep.. See those surface mount caps and resistors after the decoupling caps. I bet their there to eliminate white noise AKA, hiss at idle. I'd suggest removing the electrolytic caps and bypassing that portion of the circuit all together. That's my opinion, I maybe wrong, I'd have to look at the traces to be sure.

  4. #4
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    Well... I got two for a reason!

    I'm off to bed now, but I'm going to jump all over it tomorrow.

    BTW I am one of the featured artists in a thing called 5 (Five Squared). It is a gathering of 25 artists from the community I live in. Every artist was chosen for a different medium. The piece I will be recognized for is...............................................

    LaserBoy !!!

    Now it's official. LaserBoy is f**king art man!

    James.
    Last edited by James Lehman; 09-12-2008 at 10:11.

  5. #5
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    Cool, this is a lot easier than soldering onto the 2 extra pins of the 6 channel card, for those who want 8 channel. Hopefully the data isn't processed on its way to the card as well!

  6. #6
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    Talking

    I have an 8 channel USB DAC !!!

    YEAH !!!!



    DrLava figured out that this card runs off of 3.3 VDC, not 5. So the offset is less and the output is too.

    So I modified my original prototype once again and made it work.

    James.

  7. #7
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    Nice! Do you have plans for X/Y/R/G/B/V/I/? outputs from laserboy or something else?

  8. #8
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    Talking

    Quote Originally Posted by dar303 View Post
    Nice! Do you have plans for X/Y/R/G/B/V/I/? outputs from laserboy or something else?
    More like X, Y, R, G, B, I, AUDIO_L, AUDIO_R !!!!

    This device will be able to play back ALL eight channels of an ADAT show that has been transcribed to hard drive or DVDR.

    James.

  9. #9
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    how about x/y/r/g/b/dmx/Laudio/Raudio

    pangolin did it with the cadamod

  10. #10
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    Quote Originally Posted by James Lehman View Post
    More like X, Y, R, G, B, I, AUDIO_L, AUDIO_R !!!!

    This device will be able to play back ALL eight channels of an ADAT show that has been transcribed to hard drive or DVDR.

    James.
    Hmmm, I have a portable DVR that has surround out, I wonder if I can put my 8 channel waves on that & play back though. Would make for a nice portable controller for laser boy

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