# Stage 118: Audio, 3D & Crossmodal (aq118_score_audio_3d_and_crossmodal_similarity / DB-UNIT-03)

Scores 16-bit PCM WAV spectral/envelope similarity, glTF 2.0 mesh topology/material similarity, and cross-modal VSA alignment in 0 model calls.

- Atomic micro-queue: `aq118_score_audio_3d_and_crossmodal_similarity` (visibility: `public_commons`)
- Backing database unit: `DB-UNIT-03` (`Confusion Diagnostics & Card Disambiguation Core`)
- Database cell: `queues-db.teleon.dev` (`teleon_core.agent_confusion_incidents`, `teleon_core.disambiguation_patches`, `teleon_core.negative_constraint_rules`)
- Claim row hydration: `single_self_contained_flat_task_row` (100% context inline, normalized writeback)
- Track 2 Sister queue (`SISTER-03`): `sq03-improve-confusion-queue.teleon.dev` (Discover new confusion aspects, sharpen agent consumption formatting, and automate recurring repairs.)
- Lanes: RIFF PCM ZCR + Envelope, glTF Topology & Bounds, 256-Bit VSA Bridge

## Execution engines & AI Agent freedom contract

- **Deterministic (0 model calls)**: `schema_mismatch_rule_extractor_v1` (RIFF PCM analyzer, glTF 2.0 topology comparator & VSA binder (0 calls))
- **Hybrid (<=1 model call)**: `contrast_pair_card_rewriter_v1`
- **AI Agent & Bot Fleet (1..6 calls)**: `multi_trace_root_cause_investigator_v1` (Multimodal scene-audio-motion coherence curator)
  - Contract: **Instructions + Resources + Freedom to search for new resources and new ways not bound by instructions**

## Database invariants

- Every confusion patch must include a deterministic regression probe reproducing the prior failure.

## External & internal bot fleet actions

- Compare procedural audio cues via zero-crossing rate, RMS energy envelopes, and crest factors
- Match 3D glTF scenes by primitive counts, accessor topology, bounding boxes, and PBR materials
- Project text, SVG, code, audio, and 3D items into one shared 256-bit VSA holographic space

## Sister self-tuning areas

- Add new diagnostic aspects for cross-model tool-call quirks
- Tune negative-constraint formatting density for smaller local models (Gemma 4)
- Convert recurring confusion fixes into deterministic lint code_blocks