Stereo_downmix_preference

Name	Type	Description
mode	enum                           not_indicated lo/ro lt/rt pro_logic_2	The mode for the downmix.
ltrt_center_mix_level	number string	The LtRt Center mix level.
ltrt_sur_mix_level	number string	The LtRt Surround mix level
loro_center_mix_level	number string	The LoRo Center mix level.
loro_sur_mix_level	number string	The LoRo Center mix level.

---

Example stereo_downmix_preference

{
  "uid": "transcode_task",
  "kind": "transcode",
  "payload": {
    "location": {
      "storage_provider": "s3",
      "path": "s3://my_bucket/my_folder"
    },
    "targets": [
      {
        "file_pattern": "{source_basename}_output{default_extension}",
        "existing_files": "replace",
        "container": {
          "kind": "mp4"
        },
        "video": {
          "width": 1280,
          "height": 720,
          "codec": "h264"
        },
        "audio": [
          {
            "codec": "dolby_digital_plus",
            "channels": 2,
            "sample_rate": 48000,
            "dolby_digital_plus": {
              "bitstream_mode": "complete_main",
              "surround_attenuation_3_db": true,
              "stereo_down_mix_preference": {
                "loro_center_mix_level": -3,
                "loro_surround_mix_level": -3,
                "ltrt_center_mix_level": -3,
                "ltrt_surround_mix_level": -3,
                "preferred_downmix_mode": "loro"
              }
            }
          }
        ]
      }
    ]
  }
}