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diff --git a/doc/COMPLETED.md b/doc/COMPLETED.md index 203c27a..233373e 100644 --- a/doc/COMPLETED.md +++ b/doc/COMPLETED.md @@ -34,6 +34,12 @@ Completed task archive. See `doc/archive/` for detailed historical documents. --- +## March 2026 (continued) + +- [x] **FFT twiddle factor fix** — `fft_radix2` computes `wr/wi` directly per k via `cosf/sinf(angle*k)`. Tests A–E added to `test_fft.cc`. Tolerance reverted to 5e-3. +- [x] **Audio timing drift fix** — Events were triggered ~180ms early over 63 beats. Fixed: `chunk_frames` truncation replaced by double-precision integration; tracker updated to double-precision time. +- [x] **OLA decode refactor** — `ola_decode_frame` extracted into `src/audio/ola.h` and used in `synth.cc`, deduplicating IDCT + overlap handling logic. + ## March 2026 - [x] **CNN v3 training bug fixes (2026-03-27)** — Two bugs blocking convergence: |