{ "$schema":                        "https://json-schema.org/draft/2020-12/schema",
  "$id":                            "https://schemas.mpai.community/OSD/V1.5/data/DeviceSceneGeometry.json",
  "title":                          "Device Scene Geometry V1.5", 
  "description":                    "Describes a device ensemble and its scene geometry at a capture time. ",
  "type":                           "object", 
  "required":                       ["Header", "DeviceEnsembleList"], 
  "additionalProperties":           false, 
  "properties":                     {

    "Header":                       { "type": "string", "pattern": "^OSD-DSG-V[0-9]{1,2}[.][0-9]{1,2}$" },
    "MInstanceID":                  { "type": "string" },
    "UEnvironmentID":               { "type": "string" },
    "CaptureTime":                  { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/Time.json" },

    "DeviceEnsembleList":           { "type": "array", "minItems": 1, "items": { "type": "object", "required": ["CharacteristicName", "DeviceEnsemble"], 
                                      "additionalProperties": false, "properties": {
      "CharacteristicName":         { "$ref": "https://schemas.mpai.community/CAE1/V2.4/data/MicrophoneArrayGeometry.json" },
      "DeviceEnsemble":             { "type": "array", "minItems": 1, "items": { "type": "object", "required": ["DeviceID", "PointOfView"], "additionalProperties": false, "properties": {
        "DeviceID":                 { "type": "string" },
        "PointOfView":              { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/PointOfView.json" } } } } } } },

    "DataXMData":                   { "$ref": "https://schemas.mpai.community/PTF/V1.0/data/DataExchangeMetadata.json" },
    "DescrMetadata":                { "type": "string", "maxLength": 2048 } } }