Audio

Name	Type	Description
track_selector	object	Mechanism to select a specific audio track.
levels	object	Performs a deep analysis of the audio track(s), including DC offset, RMS peak, level etc.
ebur128	object	Performs a EBU R.128 loudness determination on the audio track(s).
dolby_professional_loudness	object	Performs Dolby loudness analysis on the audio track(s).
loudness	object	Performs loudness analysis on the audio track(s) and draws temporal loudness on charts.
volume	object	Uses simple volume measurement. This is less precise than using deep_stats but of higher performance.
silence	object	Detect silent segments in the audio track(s).
channel_compare	object	Find similarity between audio channels higher than defined threshold, by comparing their spectral components.
phase_mismatch	object	Find phase mismatches between audio channels.
psnr	object	Determine the PSNR value between an asset and a reference.
emergency_alert	object	Detect emergency alert signals in the audio track(s).

---

Example audio

{
  "uid": "analyze_task",
  "kind": "analyze",
  "payload": {
    "general_properties": {
      "enabled": true
    },
    "deep_properties": {
      "audio": [
        {
          "track_selector": {
            "index": 2
          },
          "volume": {
            "enabled": true
          },
          "levels": {
            "enabled": true
          }
        }
      ],
      "video": {
        "black": {
          "duration_sec": 5,
          "enabled": true
        }
      }
    }
  }
}