Multi Channel Audio Output

A Node object whose type is MULTICH_AUDIO_OUTPUT.

Configuration

None

Status

None

Inputs

Input name	Configurable	Description
main	Yes	Audio input source. A transmitter may support none, some or all of the following: 3 -- Local Stereo audio 6 -- Local HDMI audio (stereo downmix) 7 -- Local HDMI audio 8 -- Multichannel audio subscription (audio return channel) 13 -- Stereo audio subscription 14 -- HDMI audio subscription 15 -- HDMI audio subscription (stereo downmix) A receiver may support none, some or all of the following: 3 -- Stereo audio subscription 6 -- HDMI audio subscription (stereo downmix) 7 -- HDMI audio subscription 8 -- Multichannel audio subscription 10 -- Local Stereo audio Note: Not all audio types are available to all endpoint devices, supported audio is based on chipset type and hardware design. A transceiver may support none, some or all of the following: 3 -- Stereo audio subscription 6 -- HDMI audio subscription (stereo downmix) 7 -- HDMI audio subscription 8 -- Multichannel audio subscription 10 -- Local Stereo audio 11 -- Local HDMI audio 12 -- Local HDMI audio (stereo downmix) If a device has a multichannel audio output but does not support any of the choices above, then the following choice is listed: 0 -- No audio source available Attempting to set this last value as the selected input using a set property request will yield an ILLEGAL_ARGUMENT error.

Example

As returned by get device called on a transmitter target device:

{
  "type": "MULTICH_AUDIO_OUTPUT",
  "index": 0,
  "configuration": {

  },
  "status": {

  },
  "inputs": [
    {
      "name": "main",
      "index": 0,
      "configuration": {
        "source": {
          "value": 7,
          "choices": [
            {
              "value": 3,
              "description": "Stereo Audio Local Loop Out",
              "details": {
                "ref_class": "NODE",
                "ref_type": "STEREO_AUDIO_INPUT_OUTPUT",
                "ref_index": 0
              }
            },
            {
              "value": 6,
              "description": "HDMI Audio Local Loop Out  (Downmix)",
              "details": {
                "ref_class": "NODE",
                "ref_type": "HDMI_DECODER",
                "ref_index": 0
              }
            },
            {
              "value": 7,
              "description": "HDMI Audio Local Loop Out (All  Channels)",
              "details": {
                "ref_class": "NODE",
                "ref_type": "HDMI_DECODER",
                "ref_index": 0
              }
            }
          ]
        }
      },
      "status": {
        "source": {
          "ref_class": "NODE",
          "ref_type": "HDMI_DECODER",
          "ref_index": 0
        }
      }
    }
  ]
}

The same node on a receiver target device:

{
  "type": "MULTICH_AUDIO_OUTPUT",
  "index": 0,
  "configuration": {

  },
  "status": {

  },
  "inputs": [
    {
      "name": "main",
      "index": 0,
      "configuration": {
        "source": {
          "value": 8,
          "choices": [
            {
              "value": 3,
              "description": "Stereo Audio",
              "details": {
                "ref_class": "SUBSCRIPTION",
                "ref_type": "STEREO_AUDIO",
                "ref_index": 0
              }
            },
            {
              "value": 6,
              "description": "HDMI Audio (Stereo Downmix)",
              "details": {
                "ref_class": "SUBSCRIPTION",
                "ref_type": "HDMI_AUDIO",
                "ref_index": 0
              }
            },
            {
              "value": 7,
              "description": "HDMI Audio (All Available  Channels)",
              "details": {
                "ref_class": "SUBSCRIPTION",
                "ref_type": "HDMI_AUDIO",
                "ref_index": 0
              }
            },
            {
              "value": 8,
              "description": "Multi Channel Audio",
              "details": {
                "ref_class": "SUBSCRIPTION",
                "ref_type": "MULTICH_AUDIO",
                "ref_index": 0
              }
            }
          ]
        }
      },
      "status": {
        "source": {
          "ref_class": "SUBSCRIPTION",
          "ref_type": "MULTICH_AUDIO",
          "ref_index": 0
        }
      }
    }
  ]
}