Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!elroy.jpl.nasa.gov!jarthur!nntp-server.caltech.edu!kimf From: kimf@nntp-server.caltech.edu (Kim Dorian Flowers) Newsgroups: sci.electronics Subject: Re: Dec 90 Radio-Elec "Christmas Card" article Message-ID: <1990Nov3.024908.18792@nntp-server.caltech.edu> Date: 3 Nov 90 02:49:08 GMT References: <1990Nov2.142454.10784@msuinfo.cl.msu.edu> <1972@exodus.Eng.Sun.COM> Organization: California Institute of Technology, Pasadena Lines: 15 bender@oobleck.Eng.Sun.COM (Michael Bender) writes: >Back in 1978 I connected my home-built "sound-light" (a term my friends and >I used to impress our other high-school friends!), which was a 3-channel >color organ, to our family's Christmas tree and played some Christmas music >through it (and the stereo). I thought it was really neat. When my parents >got home from shopping, they told me to unplug it and wire the tree back to >the way it was (no blinking lights or anything). Oh, well, I guess they just >weren't ready for the onslaught of technology in the home at that time. What's the basic concept behind your "typical" color organ? The general intensity of sound over several different frequency ranges? Kim Flowers kimf@tybalt.caltech.edu