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22o: RT_ENV=live (live-table envelope) — noise TF better, corpus neutral; new-arch best 5.386 vs canon 2.286; joint fit next

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Matiq
2026-08-23 03:52:12 +03:00
parent 0861a64387
commit d4e8d055c6
2 changed files with 44 additions and 4 deletions
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dsp/framed_model.cpp
+16 -4
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@@ -357,12 +357,24 @@ void FramedDetector::processFrame(const std::complex<double>* spectrum, float* m
double att = std::exp(-1.0 * (nfft_ / 4) / (tatt * sample_rate_));
double rel = std::exp(-1.0 * (nfft_ / 4) / (trel * sample_rate_));
// RT_ENV=live (NOTES 22n): detector envelope from live tables kRTAtt/kRTRel —
// attack as feed-forward, release as retention (~tau 2s at hop rate). This is
// the slow adaptation the real plugin exhibits on sustained content.
static const int env_live = getenv("RT_ENV") ? atoi(getenv("RT_ENV")) : 0;
for (size_t k = 0; k <= half; k++) {
double a_cur = 2.0 * std::abs(spectrum[k]) / wsum_;
double am = am_[k];
if (a_cur > am) am = att * am + (1.0 - att) * a_cur;
else am = rel * am + (1.0 - rel) * a_cur;
am_[k] = static_cast<float>(am);
if (env_live) {
double d = a_cur - static_cast<double>(am_[k]);
if (d > 0) am_[k] = static_cast<float>(am_[k] + d * static_cast<double>(kRTAtt[k]));
else am_[k] = static_cast<float>(static_cast<double>(kRTRel[k]) * am_[k]
+ (1.0 - static_cast<double>(kRTRel[k])) * a_cur);
} else {
double am = am_[k];
if (a_cur > am) am = att * am + (1.0 - att) * a_cur;
else am = rel * am + (1.0 - rel) * a_cur;
am_[k] = static_cast<float>(am);
}
}
for (size_t k = 0; k <= half; k++) mask[k] = 1.0f;