LED Spectrum Analyzer is a visualizer plug-in for iTunes on Mac OS X. It creates a spectrum analyser display in the style of a typical hi-fi system, using bargraph displays that emulate LEDs or similar electronic display technology. The bargraphs can show linear or logarithmic levels, and also the peak value of the signal in a number of frequency bands per audio channel. In addition it can show the overall level on a pair of VU (Volume Unit) bargraph meters. Numerous options are included to make a colourful and interesting display.
What do I do with it?
Copy or move the file into the “iTunes Plug-ins” folder within your home folder hierarchy. The correct location is ~/Library/iTunes/iTunes Plug-ins, where “~” means your personal Home folder. If the plug-ins folder doesn’t already exist, simply create it in the Finder, making sure it’s named correctly. Within iTunes, the visualizer can be opened using the “LED Spectrum Analyser” menu item in the Visualizer menu. You need to Quit iTunes before moving this to the plug-ins folder to ensure that it loads it next time it runs.
How do I use it?
Start some music, click the visualizer button*, sit back and enjoy the blinking lights! Once you get bored with that, you might wish to fiddle about with the settings. *In iTunes 7.0, the visualizer button has been replaced by the Turn On Visualizer menu (command-T) under ‘View’.
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