A perceptually meaningful audio visualizer #ArtTuesday #Music @medium @d_e_lu
Most audio visualizers don’t reveal details in the music they represent. Artist David Lu created Audioscope, a new type of visualizer, and made a video and soundtrack to demonstrate how some of these fine sonic details are made obvious.
Sound is made up of sine waves of varying frequencies. The visualizer turns the sine waves into circles (Technically: The y axis is the raw audio signal, and the x axis is the signal filtered such that every frequency is phase shifted by 90˚.)
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