Dolby_professional_loudness
Name | Type | Description |
---|---|---|
is_optional | boolean | If set to true, the transcode will not fail if this media type did not exist in the source. |
correction_mode | enum pcm_normalization metadata_update | The Dolby Professional Loudness Correction mode. |
use_dialogue_intelligence | boolean | Dolby Dialogue Intelligence enabled. |
regulation_type | enum atsc_a85_fixed atsc_a85_agile ebu_r128 freetv_op59 arib_tr_b32 manual | The type of regulation to use for Dolby Professional Loudness Correction. |
loudness_target | number | The loudness LUFS target (-31..-8 dB). This is the equivalent of dialnorm in the Dolby Digital encoder. minimum: -31 maximum: -8 |
speech_detection_threshold | integer | The speech detection threshold (0..100, increments of 1). maximum: 100 |
limit_mode | enum true_peak sample_peak | Specifies whether true peak or sample peak is used as the basis for leveling. |
peak_limit_db | number | The peak value in dB to use for loudness correction, -12 to -0.1 dBTP (in increments of 0.1 dBTP). minimum: -12 maximum: -0.1 |
analyzer_track_index | integer | This specifies which analyzer track data to use for this filter. |
Example dolby_professional_loudness
{
"uid": "transcode_media",
"kind": "transcode",
"payload": {
"location": {
},
"targets": [
{
"file_pattern": "{source_basename}_converted.mp4",
"container": {
"kind": "mp4"
},
"video": {
},
"audio": [
{
"codec": "ac3",
"channels": 6,
"filters": [
{
"kind": "normalize",
"payload": {
"kind": "dolby_professional_loudness",
"payload": {
"regulation_type": "atsc_a85_fixed",
"integrated_lufs": -16,
"dialogue_intelligence": true
}
}
}
]
}
]
}
]
}
}