Ac4CodingMode
Dolby AC-4 coding mode. Determines number of channels. Maps to dlb_paec_ac4_bed_channel_config in the encoder implementation. - CODING_MODE_2_0: 2.0 (stereo) - maps to DLB_PAEC_AC4_BED_CHANNEL_CONFIG_20 - CODING_MODE_3_2_LFE: 5.1 surround - maps to DLB_PAEC_AC4_BED_CHANNEL_CONFIG_51 - CODING_MODE_5_1_4: 5.1.4 immersive - maps to DLB_PAEC_AC4_BED_CHANNEL_CONFIG_514