18 June 2015 - DMG Loudness control
over 9 years ago by Encoding.com Product Team
Added new audio settings for loudness control:
| Field Name | Description | Allowed Values | Default Values |
|---|---|---|---|
| loudness_mode | Content loudness calculation mode for Dolby Media Generator | 1770-2-di - level gated loudness measurement with optional speech gating 1770-1-di - ungated loudness measurement with optional speech gating 1770-2 - level gated loudness measurement | None |
| input_speech | Force enable/disable speech detection for Dolby Media Generator | yes, no | None |
| audio_normalization | Target loudness for Dolby Media Generator | -31–0 or 1–100% | None |
| dialnorm_threshold | Dialnorm threshold for Dolby Media Generator | one or two comma separated positive float numbers less than 99.9 | None |
| input_dialnorm | Dialnorm value for Dolby Media Generator. Should be used in case input dialnorm already measured. Can't be used with audio_normalization option. | -31–-1 | None |
| adjust_gain_for_dialnorm | Apply a gain or attenuation to the audio signal so that loudness of the output audio signal is corrected to equal the value specified by input metadata | yes, no | None |
| clipmode | Clipmode for Dolby Media Generator | scale, prolimit, hard | None |
| prolimiter_max_peak | Set maximum peak sample value allowed at the limiter output. Allowed only for prolimiter clipmode | -20.0–-0.1 | None |