Music Visualization
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Music visualization, a feature found in some media player software, generates animated imagery based on a piece of recorded music. The imagery is usually generated and rendered in real time and synchronized with the music as it is played.
Visualization techniques range from simple ones (e.g., a simulation of an oscilloscope display) to elaborate ones, which often include a plurality of composited effects. The changes in the music's loudness and frequency spectrum are among the properties used as input to the visualization.
With respect to loudness and frequency, many visualization programs do not present a discernible correspondence (synchronization) to this aspect of the music. But there are at least some that do synchronize to the music very well.
Music/Audio players for personal computers became widespread in the mid to late 1990s as applications such as Winamp, Audion, and SoundJam. The first music visualization software was Cthugha, for DOS, released in 1994[1]. Self-described as an "An Oscilloscope On Acid", Cthugha inspired similar implementations in Winamp, which was one of the first windows-based players to release a visualization SDK. By 1999, there were several dozen freeware non-trivial music visualizers in distribution that were very highly regarded by computer, music, and art enthusiasts worldwide.
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