todo.org

[4/4] prototyping

• [X] working pulse sound output
• [X] simple oscillator
• [X] MIDI in
• [X] note on/note off

[5/5] todos

• [X] build pipeline
• [X] play corresponding notes on note on/note off
• [X] play smooth sounds (it’s currently awful)
• [X] switch to mono output as long as there is no stereo data
• [X] find a better name than synth

[13/25] features

• [ ] variable sample rate
• [ ] refactor duplicated code in error handling (in input and output)
• [X] [5/5] more oscillators
  • [X] sine
  • [X] triangle
  • [X] sawtooth up
  • [X] sawtooth down
  • [X] wavelets (which?)
• [ ] support modulation (eg. pulsewidth on squarewave)
• [X] use MIDI program change to switch oscillators
• [X] multiple oscillators simultaneously?
• [X] polyphony
• [X] switch stop oldest/newest note on polyphony overflow
• [ ] phazor effect? find out how to make atmospheric strings
• [X] stereo output
• [X] ADSR envelope
• [X] configure ADSR parameters via MIDI controls
• [X] support velocity on note on/note off
• [ ] support aftertouch?
• [X] add some status output
• [ ] use main thread for some commands (like quit)
• [ ] re-using an active lane does not reset the envelope.value of that lane; decide whether that is a bug or a feature
• [ ] global amplifier
• [X] compressor
• [X] support all notes off command
• [X] determine code coverage after tests
• [ ] phase-shift all oscillators so they start at 0
• [ ] provide arpeggiator instead of polyphony
• [ ] [0/4] add filters
  • [ ] basic FIR filter
  • [ ] configurable low pass filter (map to brightness?)
  • [ ] configurable high pass filter (map to ???)
  • [ ] filter envelopes
• [ ] prevent DC offsets on on non-50% pulsewidth square waved by spreading energy
  • make the 25% wavelet ‘flatter’ on the 75% part
  • think of this if the pulsewidth modulation feature gets implemented