{
  "scope": "Game observations plus original source/callback analysis; coordinates are zero-based Delphi map cells, not model-attached sound definitions.",
  "effects": {
    "effect-385a": {
      "label": "Bell tower toll",
      "confidence": "Map position and original callback verified; heard during gameplay",
      "notes": "Fixed emitter at type 105, cell (56, 65), surrounding the fountain. Same patch as the other three bells; distinct pitch and repeat interval.",
      "sources": [
        {
          "cell": [
            56,
            65
          ],
          "map_type": 105,
          "position_cells": [
            56.5,
            65.5
          ]
        }
      ],
      "repeat_seconds": 2.0476910441006386
    },
    "effect-386e": {
      "label": "Bell tower toll",
      "confidence": "Map position and original callback verified; heard during gameplay",
      "notes": "Fixed emitter at type 105, cell (61, 65), surrounding the fountain. Same patch as the other three bells; distinct pitch and repeat interval.",
      "sources": [
        {
          "cell": [
            61,
            65
          ],
          "map_type": 105,
          "position_cells": [
            61.5,
            65.5
          ]
        }
      ],
      "repeat_seconds": 2.143676561792856
    },
    "effect-3882": {
      "label": "Bell tower toll",
      "confidence": "Map position and original callback verified; heard during gameplay",
      "notes": "Fixed emitter at type 105, cell (56, 70), surrounding the fountain. Same patch as the other three bells; distinct pitch and repeat interval.",
      "sources": [
        {
          "cell": [
            56,
            70
          ],
          "map_type": 105,
          "position_cells": [
            56.5,
            70.5
          ]
        }
      ],
      "repeat_seconds": 2.2396620794850732
    },
    "effect-3896": {
      "label": "Bell tower toll",
      "confidence": "Map position and original callback verified; heard during gameplay",
      "notes": "Fixed emitter at type 105, cell (61, 70), surrounding the fountain. Same patch as the other three bells; distinct pitch and repeat interval.",
      "sources": [
        {
          "cell": [
            61,
            70
          ],
          "map_type": 105,
          "position_cells": [
            61.5,
            70.5
          ]
        }
      ],
      "repeat_seconds": 2.335647597177291
    },
    "effect-380a": {
      "label": "Periodic power-complex ambience",
      "confidence": "Source selection verified; descriptive building/sound identity partly inferred",
      "notes": "Fixed region-selected emitter positions, not a sound attached to every matching building. Repeats every 1,920 timer units; identification as power-complex ambience is inferred from location, not listening confirmation.",
      "sources": [
        {
          "cell": [
            21,
            15
          ],
          "map_type": 84,
          "position_cells": [
            21.5,
            15.5
          ]
        },
        {
          "cell": [
            116,
            58
          ],
          "map_type": 85,
          "position_cells": [
            116.5,
            58.5
          ]
        },
        {
          "cell": [
            115,
            112
          ],
          "map_type": 0,
          "position_cells": [
            115.5,
            112.5
          ]
        }
      ]
    },
    "effect-381e": {
      "label": "Power-station ambience",
      "confidence": "Source selection verified; descriptive building/sound identity partly inferred",
      "notes": "Fixed region-selected emitter positions, not a sound attached to every matching building. This sound was tentatively identified during gameplay; positions support the association. Sources lie within three power-station complexes; two are on empty map cells between components.",
      "sources": [
        {
          "cell": [
            23,
            12
          ],
          "map_type": 83,
          "position_cells": [
            23.5,
            12.5
          ]
        },
        {
          "cell": [
            111,
            59
          ],
          "map_type": 0,
          "position_cells": [
            111.5,
            59.5
          ]
        },
        {
          "cell": [
            111,
            112
          ],
          "map_type": 0,
          "position_cells": [
            111.5,
            112.5
          ]
        }
      ]
    },
    "effect-3832": {
      "label": "Factory chimney ambience",
      "confidence": "Gameplay identification; original source selection verified",
      "notes": "Fixed region-selected emitter positions, not a sound attached to every matching building. Listening during gameplay associates this sound with factory chimneys generally; the recovered positions support that association. Three sources sit on type 80 and one on type 79. Original clock-driven pitch modulation is included in the audition.",
      "sources": [
        {
          "cell": [
            31,
            13
          ],
          "map_type": 80,
          "position_cells": [
            31.5,
            13.5
          ]
        },
        {
          "cell": [
            23,
            44
          ],
          "map_type": 80,
          "position_cells": [
            23.5,
            44.5
          ]
        },
        {
          "cell": [
            52,
            15
          ],
          "map_type": 80,
          "position_cells": [
            52.5,
            15.5
          ]
        },
        {
          "cell": [
            50,
            38
          ],
          "map_type": 79,
          "position_cells": [
            50.5,
            38.5
          ]
        }
      ]
    },
    "effect-37a6": {
      "label": "Radar beacon beep",
      "confidence": "Gameplay identification; lattice and state gate verified",
      "notes": "Callback selects the 13,49,85,121 lattice on each axis, matching all 16 Delphi type-12 cells. It checks state bits E0, not the tile ID itself. The same grid and state gate control regional radar coverage (5A75/59A3). Timer-change bit 0200 gates retriggering; stored duration is 112 timer units.",
      "sources": [
        {
          "cell": [
            13,
            13
          ],
          "map_type": 12,
          "position_cells": [
            13.5,
            13.5
          ]
        },
        {
          "cell": [
            49,
            13
          ],
          "map_type": 12,
          "position_cells": [
            49.5,
            13.5
          ]
        },
        {
          "cell": [
            85,
            13
          ],
          "map_type": 12,
          "position_cells": [
            85.5,
            13.5
          ]
        },
        {
          "cell": [
            121,
            13
          ],
          "map_type": 12,
          "position_cells": [
            121.5,
            13.5
          ]
        },
        {
          "cell": [
            13,
            49
          ],
          "map_type": 12,
          "position_cells": [
            13.5,
            49.5
          ]
        },
        {
          "cell": [
            49,
            49
          ],
          "map_type": 12,
          "position_cells": [
            49.5,
            49.5
          ]
        },
        {
          "cell": [
            85,
            49
          ],
          "map_type": 12,
          "position_cells": [
            85.5,
            49.5
          ]
        },
        {
          "cell": [
            121,
            49
          ],
          "map_type": 12,
          "position_cells": [
            121.5,
            49.5
          ]
        },
        {
          "cell": [
            13,
            85
          ],
          "map_type": 12,
          "position_cells": [
            13.5,
            85.5
          ]
        },
        {
          "cell": [
            49,
            85
          ],
          "map_type": 12,
          "position_cells": [
            49.5,
            85.5
          ]
        },
        {
          "cell": [
            85,
            85
          ],
          "map_type": 12,
          "position_cells": [
            85.5,
            85.5
          ]
        },
        {
          "cell": [
            121,
            85
          ],
          "map_type": 12,
          "position_cells": [
            121.5,
            85.5
          ]
        },
        {
          "cell": [
            13,
            121
          ],
          "map_type": 12,
          "position_cells": [
            13.5,
            121.5
          ]
        },
        {
          "cell": [
            49,
            121
          ],
          "map_type": 12,
          "position_cells": [
            49.5,
            121.5
          ]
        },
        {
          "cell": [
            85,
            121
          ],
          "map_type": 12,
          "position_cells": [
            85.5,
            121.5
          ]
        },
        {
          "cell": [
            121,
            121
          ],
          "map_type": 12,
          "position_cells": [
            121.5,
            121.5
          ]
        }
      ]
    },
    "effect-3792": {
      "label": "Caero boost activation",
      "confidence": "Gameplay identification and call site confirmed",
      "notes": "Enter handler B956\u2013B977 deducts boost reserve, activates boost and schedules 3792 via 36A6."
    },
    "effect-37ce": {
      "label": "Boost reserve: another full pip",
      "confidence": "Gameplay identification and call site confirmed",
      "notes": "HUD update 5700\u2013571B schedules this when the displayed boost-pip count increases. It is not the Enter activation sound."
    },
    "effect-38aa": {
      "label": "Caero weapon-selection / control confirmation",
      "confidence": "Gameplay identification and call sites confirmed",
      "notes": "Weapon selection C894\u2013C89B calls B903, which selects 38AA for Caero. Other craft use 38D2. B903 is also used by engine/shield-control handling, so this is not an exclusive weapon sound."
    },
    "effect-38d2": {
      "label": "Other-craft weapon / control confirmation",
      "confidence": "Call-site identification",
      "notes": "B903 adds 28h to 38AA for non-Caero craft; shared by weapon selection and control confirmation."
    },
    "effect-38fa": {
      "label": "Skimma shield startup / ready sequence",
      "confidence": "Gameplay-based suggestion supported by call sites",
      "notes": "E handler B8E7 sets pitch 0302 and duration FF (4,080 timer units). Display code 580F\u20135821 switches pitch to 0362 and duration 12 (288 units). Baseline preview uses the unmodified record (pitch 0604, duration 64); it is not either exact triggered phase."
    },
    "effect-37ba": {
      "label": "Energy-beacon continuous sound",
      "confidence": "Callback identification; no audible baseline export",
      "notes": "372F selects the nearest type-1 beacon and sets level to 218 times its state byte; source follows its centre at height 2400. Stored level is zero, explaining the absent baseline audition."
    },
    "effect-3846": {
      "label": "Landing / gate mechanism ambience",
      "confidence": "Callback association; descriptive identity not listening-confirmed",
      "notes": "3703 uses the landing-cell coordinate at C81E and accepts the source while byte 3708 is nonzero. Landing code writes that byte from the gate parameter. This is distinct from the approach-light models."
    }
  }
}