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Roadmap: patch changes on a board, and fast sweeps on three more voices #71

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Merged
bdbarnett merged 1 commit into from
Nov 3, 2026
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Roadmap: patch changes on a board, and fast sweeps on three more voices #71

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4 changes: 4 additions & 0 deletions ROADMAP.md
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Expand Up @@ -11,6 +11,10 @@ Planned work, in rough order:
- Board timings for every instrument. `docs/performance.md` has five instruments
measured on an ESP32-P4; the rest, and an S3 build, need the same run before
we say which are playable on a microcontroller.
- A patch change that plugs other cables takes 160 to 775 ms on an ESP32-P4, while the
screen and MIDI input wait. Find where that goes, and make it short enough to use mid-phrase.
- Fast filter sweeps on the Poly80, Poly106 and Poly6: `BIQUAD_RAMP` closes the gap on the
StateVariableMono, and each of these wants its own listen before it moves.
- Live output with the block deadline measured. `examples/play_audio.py`
already plays live through `board_config.pcm_out`; what's left is timing
the conversion to PCM and the device write against the block budget, and
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