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Discussion in 'LEDs and Optoelectronics' started by foTONICS, Jun 4, 2012.

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  1. Jun 4, 2012 #1
    foTONICS

    foTONICS

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    Sep 30, 2011
    Hey all,

    I've been kicking around several ideas for having music influence 3 sets of lights ( low, medium, and highs). at first i was using sallen key active filters but just thought of something. i remember in my telecomm class we talked about tank circuits and how we can pull AM/FM signals out of carrier signals. Could this same idea be used to control lights are am I better off with the sallen key?
     
  2. Jun 4, 2012 #2
    CocaCola

    CocaCola

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    Apr 7, 2012
    Are you trying to just make audio reactive lights or are you attempting to make frequency reactive lights?
     
  3. Jun 4, 2012 #3
    BobK

    BobK

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    Jan 5, 2010
    Both are second order filters. The Sallen Key filters would be easier to adjust parameters like center frequency and Q.

    Bob
     
  4. Jun 5, 2012 #4
    foTONICS

    foTONICS

    332
    9
    Sep 30, 2011
    frequency reactive lights
     
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