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Diffstat (limited to 'tools/mq_editor/README.md')
| -rw-r--r-- | tools/mq_editor/README.md | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/mq_editor/README.md b/tools/mq_editor/README.md index 141963a..0ef2e72 100644 --- a/tools/mq_editor/README.md +++ b/tools/mq_editor/README.md @@ -27,6 +27,7 @@ open tools/mq_editor/index.html - **Hop Size:** 64–1024 samples (default 256) - **Threshold:** dB floor for peak detection (default −60 dB) +- **f·Power:** checkbox — weight spectrum by frequency (`f·FFT_Power(f)`) before peak detection, accentuating high-frequency peaks - **Keep %:** slider to limit how many partials are shown/synthesized ## Keyboard Shortcuts @@ -67,7 +68,7 @@ open tools/mq_editor/index.html ## Algorithm 1. **STFT:** Overlapping Hann windows, radix-2 FFT -2. **Peak Detection:** Local maxima above threshold + parabolic interpolation +2. **Peak Detection:** Local maxima above threshold + parabolic interpolation; optional `f·Power(f)` frequency weighting to accentuate high-frequency peaks 3. **Forward Tracking:** Birth/death/continuation with frequency-dependent tolerance, candidate persistence 4. **Backward Expansion:** Second pass extends each partial leftward to recover onset frames 5. **Bezier Fitting:** Cubic curves with control points at t/3 and 2t/3 |