У вашего броузера проблема в совместимости с HTML5
Quick tutorial on how to install Serum Presets, Wavetables and Noises.
Mac - Library/Audio/Presets/Xfer/Serum Presets
PC - Documents/Xfer/Serum Presets
**Buy PrimeLoops & Total Samples - Virtual Riot Serum Presets**
https://primeloops.com/virtual-riot-serum-presets.html
Download contains:
64 x Serum Presets
4 x Arps
33 x Basses
9 x FX
7 x Synth Leads
2 x Pads
9 x Synths