https://www.fsynth.com https://www.fsynth.com is a web synthesizer which is just doing that, a canvas content is generated by the GPU and converted to sounds in

https://www.fsynth.com https://www.fsynth.com is a web synthesizer which is just doing that, a canvas content is generated by the GPU and converted to sounds in real-time, there will be a feature to import sounds directly soon.