{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/microsoft.graph.callRecords.deviceInfo",
  "title": "deviceInfo",
  "required": [
    "@odata.type"
  ],
  "type": "object",
  "properties": {
    "captureDeviceDriver": {
      "type": "string",
      "description": "Name of the capture device driver used by the media endpoint.",
      "nullable": true
    },
    "captureDeviceName": {
      "type": "string",
      "description": "Name of the capture device used by the media endpoint.",
      "nullable": true
    },
    "captureNotFunctioningEventRatio": {
      "oneOf": [
        {
          "type": "number",
          "format": "float",
          "nullable": true
        },
        {
          "type": "string",
          "nullable": true
        },
        {
          "$ref": "#/components/schemas/ReferenceNumeric"
        }
      ],
      "description": "Fraction of the call that the media endpoint detected the capture device was not working properly."
    },
    "cpuInsufficentEventRatio": {
      "oneOf": [
        {
          "type": "number",
          "format": "float",
          "nullable": true
        },
        {
          "type": "string",
          "nullable": true
        },
        {
          "$ref": "#/components/schemas/ReferenceNumeric"
        }
      ],
      "description": "Fraction of the call that the media endpoint detected the CPU resources available were insufficient and caused poor quality of the audio sent and received."
    },
    "deviceClippingEventRatio": {
      "oneOf": [
        {
          "type": "number",
          "format": "float",
          "nullable": true
        },
        {
          "type": "string",
          "nullable": true
        },
        {
          "$ref": "#/components/schemas/ReferenceNumeric"
        }
      ],
      "description": "Fraction of the call that the media endpoint detected clipping in the captured audio that caused poor quality of the audio being sent."
    },
    "deviceGlitchEventRatio": {
      "oneOf": [
        {
          "type": "number",
          "format": "float",
          "nullable": true
        },
        {
          "type": "string",
          "nullable": true
        },
        {
          "$ref": "#/components/schemas/ReferenceNumeric"
        }
      ],
      "description": "Fraction of the call that the media endpoint detected glitches or gaps in the audio played or captured that caused poor quality of the audio being sent or received."
    },
    "howlingEventCount": {
      "maximum": 2147483647,
      "minimum": -2147483648,
      "type": "number",
      "description": "Number of times during the call that the media endpoint detected howling or screeching audio.",
      "format": "int32",
      "nullable": true
    },
    "initialSignalLevelRootMeanSquare": {
      "oneOf": [
        {
          "type": "number",
          "format": "float",
          "nullable": true
        },
        {
          "type": "string",
          "nullable": true
        },
        {
          "$ref": "#/components/schemas/ReferenceNumeric"
        }
      ],
      "description": "The root mean square (RMS) of the incoming signal of up to the first 30 seconds of the call."
    },
    "lowSpeechLevelEventRatio": {
      "oneOf": [
        {
          "type": "number",
          "format": "float",
          "nullable": true
        },
        {
          "type": "string",
          "nullable": true
        },
        {
          "$ref": "#/components/schemas/ReferenceNumeric"
        }
      ],
      "description": "Fraction of the call that the media endpoint detected low speech level that caused poor quality of the audio being sent."
    },
    "lowSpeechToNoiseEventRatio": {
      "oneOf": [
        {
          "type": "number",
          "format": "float",
          "nullable": true
        },
        {
          "type": "string",
          "nullable": true
        },
        {
          "$ref": "#/components/schemas/ReferenceNumeric"
        }
      ],
      "description": "Fraction of the call that the media endpoint detected low speech to noise level that caused poor quality of the audio being sent."
    },
    "micGlitchRate": {
      "oneOf": [
        {
          "type": "number",
          "format": "float",
          "nullable": true
        },
        {
          "type": "string",
          "nullable": true
        },
        {
          "$ref": "#/components/schemas/ReferenceNumeric"
        }
      ],
      "description": "Glitches per 5 minute interval for the media endpoint's microphone."
    },
    "receivedNoiseLevel": {
      "maximum": 2147483647,
      "minimum": -2147483648,
      "type": "number",
      "description": "Average energy level of received audio for audio classified as mono noise or left channel of stereo noise by the media endpoint.",
      "format": "int32",
      "nullable": true
    },
    "receivedSignalLevel": {
      "maximum": 2147483647,
      "minimum": -2147483648,
      "type": "number",
      "description": "Average energy level of received audio for audio classified as mono speech, or left channel of stereo speech by the media endpoint.",
      "format": "int32",
      "nullable": true
    },
    "renderDeviceDriver": {
      "type": "string",
      "description": "Name of the render device driver used by the media endpoint.",
      "nullable": true
    },
    "renderDeviceName": {
      "type": "string",
      "description": "Name of the render device used by the media endpoint.",
      "nullable": true
    },
    "renderMuteEventRatio": {
      "oneOf": [
        {
          "type": "number",
          "format": "float",
          "nullable": true
        },
        {
          "type": "string",
          "nullable": true
        },
        {
          "$ref": "#/components/schemas/ReferenceNumeric"
        }
      ],
      "description": "Fraction of the call that media endpoint detected device render is muted."
    },
    "renderNotFunctioningEventRatio": {
      "oneOf": [
        {
          "type": "number",
          "format": "float",
          "nullable": true
        },
        {
          "type": "string",
          "nullable": true
        },
        {
          "$ref": "#/components/schemas/ReferenceNumeric"
        }
      ],
      "description": "Fraction of the call that the media endpoint detected the render device was not working properly."
    },
    "renderZeroVolumeEventRatio": {
      "oneOf": [
        {
          "type": "number",
          "format": "float",
          "nullable": true
        },
        {
          "type": "string",
          "nullable": true
        },
        {
          "$ref": "#/components/schemas/ReferenceNumeric"
        }
      ],
      "description": "Fraction of the call that media endpoint detected device render volume is set to 0."
    },
    "sentNoiseLevel": {
      "maximum": 2147483647,
      "minimum": -2147483648,
      "type": "number",
      "description": "Average energy level of sent audio for audio classified as mono noise or left channel of stereo noise by the media endpoint.",
      "format": "int32",
      "nullable": true
    },
    "sentSignalLevel": {
      "maximum": 2147483647,
      "minimum": -2147483648,
      "type": "number",
      "description": "Average energy level of sent audio for audio classified as mono speech, or left channel of stereo speech by the media endpoint.",
      "format": "int32",
      "nullable": true
    },
    "speakerGlitchRate": {
      "oneOf": [
        {
          "type": "number",
          "format": "float",
          "nullable": true
        },
        {
          "type": "string",
          "nullable": true
        },
        {
          "$ref": "#/components/schemas/ReferenceNumeric"
        }
      ],
      "description": "Glitches per 5 minute internal for the media endpoint's loudspeaker."
    },
    "@odata.type": {
      "type": "string"
    }
  }
}