fix: normalize ambience loudness for v0.2.5

2026-10-14 12:12:13 +00:00
parent 812540c743
commit 91aff66445
390 changed files with 97709 additions and 257 deletions
@@ -0,0 +1,45 @@
+{
+  "version": "0.2.5",
+  "sourcePlan": ".agent/AMBIENCE-SOURCES-v0.2.3.json",
+  "sourcePlanSha256": "3529c8534be204208ac504a0f4c1a69b312131f9bbff92aa9a3135d61d24db65",
+  "sourcePolicy": "Preserve all eight source hashes, bytes, segments, creators, licenses and attribution exactly. Offline input cache only.",
+  "normalization": {
+    "algorithm": "FFmpeg ebur128 measurement; scalar volume in double precision; PCM16; fresh ebur128 verification",
+    "targetIntegratedLUFS": -32.5,
+    "truePeakCeilingDBTP": -6.0,
+    "internalTruePeakCeilingDBTP": -6.2,
+    "toleranceLU": 0.2,
+    "maximumSpreadLU": 0.4,
+    "measurementFilter": "ebur128=peak=true",
+    "maximumIterations": 3
+  },
+  "ffmpegVersion": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
+  "pcm": {
+    "durationSeconds": 12,
+    "sampleRate": 24000,
+    "channels": 1,
+    "encoding": "PCM16 little-endian",
+    "fadeSeconds": 0.05
+  },
+  "runtime": {
+    "peakBounds": {
+      "background": 0.55,
+      "voice": 0.25,
+      "intro": 0.2
+    },
+    "snrMax": 12,
+    "introRelativeGain": 1.8,
+    "mixCeiling": 0.8,
+    "fixedHeadroomGain": 0.4198884518664126
+  },
+  "privacy": {
+    "priorScreening": ".agent/evidence-v0.2.3/privacy-screening/final-asr.json",
+    "priorOwnerApprovalScope": "Exact v0.2.3 derivative WAVs only; no inferred approval of changed v0.2.5 WAVs.",
+    "humanListeningAcceptance": false,
+    "legalPrivacyClearance": false
+  },
+  "rejectedHistoricalEvidence": {
+    "path": ".agent/evidence-v0.2.5/independent-loudness.json",
+    "reason": "loudnorm input_i spread 0.01 LU contradicted by dedicated ebur128 spread 2.0 LU and independent pyloudnorm 0.2.0 spread 1.925 LU; not accepted for release"
+  }
+}