Matiq/soothe2-re
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a96e46bb691459562612843eb7b6fc77e4bc46a1
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4 Commits
Author SHA1 Message Date
Matiq b41d7a40cb chain: wire IIR4 generator (RT_IIR4_GEN) + add chain smoke test 
- iir4_bidir: env-gated generate_iir4_coefs (C/tau/p/mult/sr) vs proxy kIIR
- fix exp sign: up=exp(-c*g*tau/mult) → down=1-up in 0..1 (was Inf)
- fn529fe0_check: chain_9_19 smoke + generate_iir4 smoke (down0=1 up0=0 ok)
- Gates: bridge 1.594, structural 2.689 (RT_CASC=0) unchanged
 2026-09-02 21:38:44 +03:00
Matiq 9ed22d3476 chain_9_19: enable IIR4×2 (double precision) + FIR min-phase. fix haar test 
- chain_9_19: add track parameter, enable iir4_bidir_340510 and fir_min_phase_52b3cd
- iir4_bidir_340510: use double precision (movsd/mulsd per disasm)
- Fix haar_one_pass test: boundary = 0.5*(a[n-2]+a[n-1]) = 8.0 not 8.5
- All fn529fe0_check tests PASS
- Canon bridge 1.594 unchanged (chain gated by RT_CASC env)
 2026-09-02 18:05:14 +03:00
Matiq b4d75f4d22 Version 1.0: VLAW parameterization + detector cascade 
- Implemented exact ln/exp2 infrastructure (log2_ln.hpp/cpp)
- Parameterized VLAW α/β/c by (fc, q, sens) configuration
- Implemented real RFFT for FIR construction
- Fixed VLAW parameterization for dual group (3.455 → 0.764 dB)
- Added detector cascade 529c60 (Haar smoothing, magnitude, peak processing)
- TOTAL error: 0.870 dB (vs bridge baseline 1.594 dB)

Results:
- t1kq: 0.618 dB (bridge: 0.226 dB)
- t1k: 0.938 dB (bridge: 1.801 dB) ✓ better
- al: 0.727 dB (bridge: 0.638 dB)
- res: 0.284 dB (bridge: 0.628 dB) ✓ better
- dual: 0.764 dB (bridge: 0.726 dB)
- comb: 3.000 dB (bridge: 10.149 dB) ✓ better
 2026-08-27 20:49:35 +03:00
Matiq 7bf5a4a80c feat(dsp): structural FUN_180529fe0 chain components + fn529fe0_check (step 1, module 1) 2026-08-21 01:09:36 +03:00