fill out every settings field, else the visualiser will not generate
click the screen to start/pause the preloaded song
use the file browser to upload your own song, then click to play it
press any key to toggle the file browser button
p5.js is a powerful visual javascript library with a lot of functionality
if you're interested in javascript and all things visually interesting, it could be worth checking out
strength of averaging between amplitudes of different frequency bands (has the effect of making it more reactive for lower numbers and less for higher)
bins are input as a power of 2 (e.g. input 10 gives 2^10 bins [1024])
FFT analyzes a very short snapshot of sound called a sample buffer; it returns an array of amplitude measurements, referred to as bins
relative volume
number of frequency bands or bins displayed around the visualiser
radius of the centre circle in pixels
how many pixels a bin of full volume extends from the edge of the centre circle
recommended value of around 350 for 1080p monitors for exponents close to 1
essentially how exaggerated the graph is
specifically (volume per frequency band ^ exp) / (max volume ^ exp )
higher powers look better with higher factors as this keeps quieter frequencies at a sensible amplitude
thickness of the radial bars on the visualiser, often set higher for lower inputs of bars
how much the visualiser changes size depending on the volume of bassier frequencies
the colour of the centre circle