Optional obj: Partial<DolbyDigitalPlusPreprocessing>Optional dynamicIt indicates a gain change to be applied in the Dolby Digital decoder in order to implement dynamic range compression. The values typically indicate gain reductions (cut) during loud passages and gain increases (boost) during quiet passages based on desired compression characteristics.
DolbyDigitalPlusPreprocessing
Optional lfeIt applies a 120 Hz low-pass filter to the low-frequency effects (LFE) channel. This is only allowed if the channelLayout contains a LFE channel.
DolbyDigitalPlusPreprocessing
Optional ninetyDolbyDigitalPlusPreprocessing
Optional threeDolbyDigitalPlusPreprocessing
Export
DolbyDigitalPlusPreprocessing