Dolby Laboratories DP564 - Manual (Page 74)

DP564 Multichannel Audio Decoder Appendix A: Metadata
A-4
Both types of metadata can be examined, modified, or passed through during
encoding. Table A-1 lists the active metadata parameters and indicates if each
parameter is informational or control.
Table A-1 Metadata Parameters
Extended Bitstream Information parameters are in italics.
Metadata Parameter Informational Control
Dialogue Level r
Channel Mode r
LFE Channel r
Bitstream Mode r
Line Mode Compression r
RF Mode Compression r
RF Overmodulation Protection r
Center Downmix Level r
Surround Downmix Level r
Dolby Surround Mode r
Audio Production Information r
Mix Level r
Room type r
Copyright Bit r
Original Bitstream r
Preferred Stereo Downmix r
Lt/Rt Center Downmix Level r
Lt/Rt Surround Downmix Level r
Lo/Ro Center Downmix Level r
Lo/Ro Surround Downmix Level r
Dolby Surround EX Mode r
A/D Converter Type r
DC Filter r
Lowpass Filter r
LFE Lowpass Filter r
Surround 3 dB Attenuation r
Surround Phase Shift r
A.2 Dialogue Level
Dialogue level (also known as dialogue normalization or dialnorm) is perhaps the
single most important metadata parameter. The dialogue level setting represents the
average loudness of dialogue in a presentation.