MIDI Synth, an analog synthesizer simulation built on the Web Audio API
Chris Wilson has created MIDI Synth, an analog synthesizer simulation built on the Web Audio API. It is very loosely based on the architecture of a Moog Prodigy synthesizer, although this is a polyphonic synthesizer, and it lacks the oscillator sync and glide effects of the Prodigy.
This uses my Web MIDI Polyfill to add MIDI support via the Web MIDI API – in fact, I partly wrote this as a test case for the polyfill and the MIDI API itself, so if you have a MIDI keyboard attached, check it out.
The polyfill uses Java to access the MIDI device, so if you’re wondering why Java is loading, that’s why. It may take a few seconds for MIDI to become active – the library takes a while to load – but when the ring turns gray (instead of blue), it’s ready.
If you have a native implementation of the Web MIDI API in your browser, the polyfill shouldn’t load – at the time of this writing, Chrome Stable (from version 43) has the only such implementation. Earlier versions of Chrome (from version 33) can enable Web MIDI via chrome://flags/#enable-web-midi
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