Live Cymatics Visualizer
Toggle the sliders on the left to tune chakra bands. The canvas shows a cymatics-like simulation driven by real audio FFT data.
An educational, interactive page that shows how sound (cymatics) relates to chakra-like frequency bands and how simple detection might be useful. This is a demo — results are illustrative, not medical or diagnostic.
Download version has much greater acuracy, detections, filters and more features!