{
  "$schema": "http://json-schema.org/draft/2020-12/schema",
  "$id": "ObjectAudioCharacteristics.json",
  "title": "Object Audio Characteristics V1.5",
  "type": "object", "properties": {
    "Header": { "type": "string", "pattern": "^OSD-OAC-V[0-9]{1,2}[.][0-9]{1,2}$" },
    "MInstanceID": { "type": "string" },
    "ObjectAudioCharacteristicsID": { "type": "string" },
    "ObjectAudioCharacteristicsType": { "type": "string", "enum": [ "Frequency" ] },
    "ObjectAudioCharacteristics": { "type": "object", "properties": {
      "Reflectivity": { "type": "array", "items": {
        "EarlyReflectionTime": { "type": "number" },
        "LateReflectionTime": { "type": "number" } } },
      "Reverberation": { "type": "array", "items": {
        "RT60": { "$ref": "Plot.json" },
        "RT30": { "$ref": "Plot.json" },
        "RT20": { "$ref": "Plot.json" },
        "EDT": { "type": "number" } } },
      "Diffusion": { "type": "number" },
      "Absorption": { "type": "number" },
      "DopplerEffect": { "type": "object", "properties": {
        "DirectSoundFactor": {"type": "number"},
        "InirectSoundFactor": {"type": "number"} } },
      "OACRights": { "$ref": "https://schemas.mpai.community/MMM4/V2.1/data/Rights.json" } } },
    "DescrMetadata": { "type": "string" } }
}