Web Audio API - Simple synth keyboard source code
Volume: Current waveform: Sine Square Sawtooth Triangle Custom const freqList = []// SPN : scientific pitch notationconst spnList = ['C','C#','D','D#','E','F','F#','G','G#','A','A#','B'] https://en.wikipedia.org/wiki/Pitch_class Pitch class - WikipediaFrom Wikipedia, the free encyclopedia Set of all pitches tha..