Music-controlled LED lighting
system
Design and build a v. bright LED (supply name mfg and part number, and specs of LEDs) system that modulates intensity in sync with stereo music.
Intensity will vary over an order of magnitude, as measured by a photometer. A listener wearing headphones will be able to verify that the music to the left and right ears separately excites two banks of LEDs.
Input will be stereo audio signals that are filtered for intensity (and perhaps frequency); output will be from power transistors to the LEDs. Needed power supply voltages and and currents will be calculated and can be supplied by in-lab Agilent triple output supplies.
High-powered LEDs also dissipate significant power, so the LED fixtures will be designed safely to avoid overheating.
The input signals may be processed by FFT and resulting spectrum may be used as a basis for modulation.
The light fixtures will be stylish, well-designed and small. Each fixture will be an array of colored-LED's that can be placed around the interior of a room, without drilling into walls.
User will be able to turn a single knob that can change an intensity or frequency threshold and vary the intensity modulation.
A "randomize" feature will vary thresholds so effect of the modulation is not easily predicted.
Unit will avoid stroboscopic effect to protect viewers who may be prone to seizures.