7 Commits

Author	SHA1	Message	Date
Jeff Epler	e0984fa195	Factor out the synthesizer from midi track	2023-04-02 18:54:07 -05:00
Jeff Epler	e9e4ce9546	add waveform support in synthio ... a waveform object (array of 'h') can be passed in, replacing the standard square wave. This waveform must be a 'single cycle waveform' and some obvious things to pass in are sine, triangle or sawtooth waves, but you can construct whatever you like.	2023-04-01 11:46:38 -05:00
Jeff Epler	db1e01c462	Don't require huge buffers for long-held notes	2023-04-01 11:46:36 -05:00
Jeff Epler	7f73ff1b2d	hold accumulator phase across span ... this fixes grunk in held notes	2023-04-01 11:46:35 -05:00
Jeff Epler	02f8a45dfa	synthio: allow increasing number of channels ... 12 channels works well on metro m7	2023-04-01 11:46:27 -05:00
Dan Halbert	33bbb8b1f4	RP2040 PWMAudioOut: Release DMA channels after play has finished.	2021-07-01 17:36:29 -04:00
Artyom Skrobov	8056af8648	[synthio] add a simple MidiTrack implementation	2021-03-26 16:38:10 -04:00