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<p>to elaborate ones, which often include a number of <a href="page.php?w=Compositing">composited</a> effects.  The changes in the music's <a href="page.php?w=loudness">loudness</a> and <a href="page.php?w=frequency_spectrum">frequency spectrum</a> are among the properties used as input to the visualization.</p>

<p>Effective music visualization aims to attain a high degree of visual <a href="page.php?w=correlation">correlation</a> between a musical track's spectral characteristics such as frequency and <a href="page.php?w=amplitude">amplitude</a> and</p><p>
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