From 6b40809f9d7b871a50976427880fd749e00bdd3b Mon Sep 17 00:00:00 2001 From: Void Date: Sat, 14 Nov 2026 01:54:29 +0000 Subject: [PATCH] docs: harvest polarity row loses the shotgun claim; physical room run row; sources for the 41 s and degraded-score claims Co-Authored-By: Claude Sonnet 5.5 --- docs/gamecult/symphony-grammar-harvest.md | 29 ++++++++++++----------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/docs/gamecult/symphony-grammar-harvest.md b/docs/gamecult/symphony-grammar-harvest.md index 61763cca..30b80a8a 100644 --- a/docs/gamecult/symphony-grammar-harvest.md +++ b/docs/gamecult/symphony-grammar-harvest.md @@ -15,20 +15,21 @@ together as music), which Mimir never needed: Mimir emits one voice at a time, a Confidence: A = measured number in a receipt, B = measured but synthetic or single run, C = design claim or authored opinion with no measurement behind it. -| Claim | Evidence | Conf. | -| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------- | -| Tidy lab beeps are the wrong signal for a room; a birdsong-like motif replaced them. | `docs/bioacoustic-timeline-watermark.md` L3-10 (stated as a decision, no listening test). | C | -| Identity is carried redundantly: contour survives pitch shift, rhythm survives bad frequency response, formant envelope survives a dead band, speaker variants expose room asymmetry. | same doc L82-95. Argument, not an ablation. | C | -| A word needs no sequence grammar: one heard word identifies its event directly (128 words x 2 speaker variants, 4 syllables each), in an event slot that repeats about every 41 s. No de Bruijn grammar. | same doc L26-33; `src/Mimir.Runtime/Synchronization/MimirBioacousticTimeline.cs` (WordCount, SymbolCount = WordCount\*SpeakerCount, BuildMotifs ~L690-730). | B | -| Word identity survives mel-cepstral warp/blur degradation; timing does not unless fitted as one global clock/delay hypothesis. | `docs/bioacoustic-training-harness.md` L58-112: identity 0.908-0.997 on clean input only, 0.5-0.9 degraded; timing 0.19-0.73 (0.357 before vs 0.905 after global clock fit, compact-fast-index clean). | A (synthetic, clean-only range) | -| Contestant shapes were scored against the same decoder family and damage panel; the best scorer was the six-syllable "canary-packet-trill", a hypothesis not confirmed on a physical room (two timing chips plus four payload-coloured formant notes), not the literal bird imitations. | `research/bioacoustic-contestants-2026-05-24.md` L24-38, L128-174 (honest floor 88.4 language_score, 19 bps, payload 1.000 clean), L487-489 (96 ms motif is the best tradeoff). | B | -| Too-short or too-tight songs fail under blur: 0.100 s event spacing lost anchors to overlap; 0.105 s kept; 78 ms motif and 5-syllable finch-burst-packet collapsed (blur-light 4.358, the razor decoder; 218.368 with the sprint decoder, L453-454). | contestants doc L169-171, L446-455, L487-489. | A | -| A 3-bit payload variant (separate band/rhythm bit) did not survive degradation (best 12.849, clean 8.084). | contestants doc L183-185. | A | -| Real birds carry identity through redundant contour, roughness, onset statistics and cepstral envelope together; Redpoll is dense chatter with short vertical attacks, not a neat token stream; Guan is a slow broad curved phrase, good for probing the channel, poor for bitrate. The packet song was judged "still too ladder-like". | contestants doc L565-581 (two Xeno-canto mirrors via Wikimedia; Brown Thornbill file invalid, L511-513, L534-539). Flux numbers L549-562. | B (two recordings, hand reading) | -| Positive log-mel spectral flux is a good onset/anchor surface; sustained bands recede, attacks and glides light up. | contestants doc L541-545, L577-581; but the naive flux decoder lost on speed (33.466 vs 88.129 score, clean roundtrip, L158 and L231-237). | B | -| Once the schedule is known, the receiver only discriminates among a few local candidates; wide identity search is only for acquisition. Streaming decoder reached 1121 score at 62.6x realtime, payload 1.000 on all nine damage cases. | contestants doc L248-309. | A (synthetic damage) | -| Polarity must be a nuisance variable; mic paths flip sign (shotgun mic 37/37). | contestants doc L391-395. | B (physical, one capture) | -| Speaker split: left and right vocabularies differ in root (x0.94 / x1.08) and syllable weights, so each side is separable. | `MimirBioacousticTimeline.cs` BuildMotifs ~L704-725 (read as code, no experiment isolates the benefit). | C | +| Claim | Evidence | Conf. | +| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------- | +| Tidy lab beeps are the wrong signal for a room; a birdsong-like motif replaced them. | `docs/bioacoustic-timeline-watermark.md` L3-10 (stated as a decision, no listening test). | C | +| Identity is carried redundantly: contour survives pitch shift, rhythm survives bad frequency response, formant envelope survives a dead band, speaker variants expose room asymmetry. | same doc L82-95. Argument, not an ablation. | C | +| A word needs no sequence grammar: one heard word identifies its event directly (128 words x 2 speaker variants, 4 syllables each), in an event slot that repeats about every 41 s (derived, not reported: 128 words x 2 speakers = 256 events at 0.16 s spacing = 40.96 s, from `MimirBioacousticTimeline.cs` L34-39 and `SymbolForEvent` L735-739; no receipt or doc states it). No de Bruijn grammar. | same doc L26-33; `src/Mimir.Runtime/Synchronization/MimirBioacousticTimeline.cs` (WordCount, SymbolCount = WordCount\*SpeakerCount, BuildMotifs ~L690-730). | B | +| Word identity survives mel-cepstral warp/blur degradation; timing does not unless fitted as one global clock/delay hypothesis. | `docs/bioacoustic-training-harness.md` L58-112: identity 0.908-0.997 on clean input only; degraded identity 0.532-0.908 and timing 0.187-0.728 for compact-fast-index across the four degraded cases in `artifacts/bioacoustic-training/bioacoustic-20260524-150729/compact-fast-index/*/summary.json` (`IdentityScore`, `TimingScore`); clean timing 0.357 before vs 0.905 after the global clock fit. | A (synthetic, clean-only range) | +| Contestant shapes were scored against the same decoder family and damage panel; the best scorer was the six-syllable "canary-packet-trill", a hypothesis not confirmed on a physical room (two timing chips plus four payload-coloured formant notes), not the literal bird imitations. | `research/bioacoustic-contestants-2026-05-24.md` L24-38, L128-174 (honest floor 88.4 language_score, 19 bps, payload 1.000 clean), L487-489 (96 ms motif is the best tradeoff). | B | +| Too-short or too-tight songs fail under blur: 0.100 s event spacing lost anchors to overlap; 0.105 s kept; 78 ms motif and 5-syllable finch-burst-packet collapsed (blur-light 4.358, the razor decoder; 218.368 with the sprint decoder, L453-454). | contestants doc L169-171, L446-455, L487-489. | A | +| A 3-bit payload variant (separate band/rhythm bit) did not survive degradation (best 12.849, clean 8.084). | contestants doc L183-185. | A | +| Real birds carry identity through redundant contour, roughness, onset statistics and cepstral envelope together; Redpoll is dense chatter with short vertical attacks, not a neat token stream; Guan is a slow broad curved phrase, good for probing the channel, poor for bitrate. The packet song was judged "still too ladder-like". | contestants doc L565-581 (two Xeno-canto mirrors via Wikimedia; Brown Thornbill file invalid, L511-513, L534-539). Flux numbers L549-562. | B (two recordings, hand reading) | +| Positive log-mel spectral flux is a good onset/anchor surface; sustained bands recede, attacks and glides light up. | contestants doc L541-545, L577-581; but the naive flux decoder lost on speed (33.466 vs 88.129 score, clean roundtrip, L158 and L231-237). | B | +| Once the schedule is known, the receiver only discriminates among a few local candidates; wide identity search is only for acquisition. Streaming decoder reached 1121 score at 62.6x realtime, payload 1.000 on all nine damage cases. | contestants doc L248-309. | A (synthetic damage) | +| Polarity must be a nuisance variable; mic paths flip sign. | contestants doc L391-395. | B (physical, one capture) | +| Physical room run: with per-channel acquisition offsets the co-streamer shotgun mic (ch1) locked 37/37 events, payload 1.000, timing 0.828; the cardioid/near mic (ch0) reached 26/37, payload 0.595, and stayed unreliable. | contestants doc L371-388. | B (physical, one capture) | +| Speaker split: left and right vocabularies differ in root (x0.94 / x1.08) and syllable weights, so each side is separable. | `MimirBioacousticTimeline.cs` BuildMotifs ~L704-725 (read as code, no experiment isolates the benefit). | C | Rendering recipe actually in code (`MimirBioacousticTimeline.cs` AddSyllable ~L610-640): each syllable is a log-frequency glide (exponential sweep) with a raised-cosine envelope, summed partials at