senso.hype.zip (95.4 KB)
it's been a playground for webaudio whose support by browsers may differ ... as far as i can remember it was ok on chrome 
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reworked it with howler.js, so it should work on all newer browsers now
sensofit.hype.zip (192,5 KB)
https://www2.aachener-zeitung.de/zva/karlo/MHA-Charts/2022/sensofit/sensofit.html