Four second still

{
  "$schema": "https://visualspec.dev/schema/1.0/schema.json",
  "visualSpec": "1.0",
  "metadata": {
    "title": "Four second still",
    "language": "en",
    "status": "approved"
  },
  "profiles": [
    "video"
  ],
  "world": {
    "id": "world.studio",
    "name": "Studio",
    "environment": {
      "kind": "environment.interior"
    }
  },
  "cameras": [
    {
      "id": "camera.hold",
      "type": "photographic",
      "framing": "medium",
      "intent": "Hold the subject without a move."
    },
    {
      "id": "camera.detail",
      "type": "photographic",
      "framing": "close-up",
      "intent": "Move in on the glaze."
    }
  ],
  "assets": [
    {
      "id": "asset.room",
      "type": "audio",
      "uri": "https://example.com/media/room-tone.wav",
      "mediaType": "audio/wav",
      "duration": 4
    }
  ],
  "motion": [
    {
      "id": "motion.push",
      "targets": [
        "node.detail"
      ],
      "essential": false,
      "duration": {
        "value": 2000,
        "unit": "ms"
      },
      "tracks": [
        {
          "property": "transform.scale",
          "from": 1,
          "to": 1.08
        }
      ],
      "reducedMotion": {
        "strategy": "disable"
      }
    }
  ],
  "timelines": [
    {
      "id": "timeline.main",
      "duration": 4,
      "fps": 24,
      "tracks": [
        {
          "id": "track.picture",
          "type": "visual",
          "clips": [
            {
              "id": "clip.hold",
              "start": 0,
              "duration": 2,
              "sceneRef": "scene.shot",
              "cameraRef": "camera.hold"
            },
            {
              "id": "clip.detail",
              "start": 2,
              "duration": 2,
              "sceneRef": "scene.detail",
              "cameraRef": "camera.detail"
            }
          ]
        },
        {
          "id": "track.audio",
          "type": "audio",
          "clips": [
            {
              "id": "clip.tone",
              "start": 0,
              "duration": 4,
              "assetRef": "asset.room"
            }
          ]
        }
      ]
    }
  ],
  "videos": [
    {
      "id": "video.main",
      "timelineRef": "timeline.main",
      "aspectRatio": 1.777,
      "audioAssetRefs": [
        "asset.room"
      ],
      "shots": [
        {
          "id": "shot.hold",
          "sceneRef": "scene.shot",
          "cameraRef": "camera.hold",
          "start": 0,
          "duration": 2,
          "intent": "Static hold."
        },
        {
          "id": "shot.detail",
          "sceneRef": "scene.detail",
          "cameraRef": "camera.detail",
          "start": 2,
          "duration": 2,
          "intent": "Push in.",
          "transition": {
            "type": "dissolve",
            "duration": {
              "value": 12,
              "unit": "f"
            }
          }
        }
      ],
      "captions": [
        {
          "id": "caption.hold",
          "start": 0,
          "end": 2,
          "text": "A still hold.",
          "language": "en"
        },
        {
          "id": "caption.detail",
          "start": 2,
          "end": 4,
          "text": "Then a closer hold.",
          "language": "en"
        }
      ]
    }
  ],
  "entities": [
    {
      "id": "entity.subject",
      "kind": "object.product",
      "name": "Subject",
      "appearance": {
        "fill": "#d9ed94"
      }
    }
  ],
  "scenes": [
    {
      "id": "scene.shot",
      "kind": "2d",
      "viewport": {
        "width": 640,
        "height": 360
      },
      "background": "#20261f",
      "cameraRef": "camera.hold",
      "nodes": [
        {
          "id": "node.subject",
          "kind": "image",
          "entityRef": "entity.subject"
        }
      ]
    },
    {
      "id": "scene.detail",
      "kind": "2d",
      "viewport": {
        "width": 640,
        "height": 360
      },
      "background": "#20261f",
      "cameraRef": "camera.detail",
      "nodes": [
        {
          "id": "node.detail",
          "kind": "image",
          "entityRef": "entity.subject"
        }
      ]
    }
  ],
  "rendering": {
    "targets": [
      {
        "id": "target.film",
        "platform": "web",
        "width": 640,
        "height": 360,
        "quality": "preview",
        "capabilities": [
          {
            "name": "video.timeline",
            "level": "required",
            "fallback": {
              "strategy": "flatten",
              "description": "Preview shows the shots as still frames."
            }
          }
        ]
      }
    ],
    "fallbackPolicy": "report-and-approximate"
  }
}