Dolby Laboratories DP570 - Manual (Page 114)

102 Dolby ® DP570 Multichannel Audio Tool User’s Manual
A Guide to Dolby Metadata Extended Bitstream Information Parameters
D.7.2 Lt/Rt Center Downmix Level
This parameter indicates the level shift applied to the Center channel when adding to the
left and right outputs as a result of downmixing to an Lt/Rt output. Its operation is similar
to the center downmix level in the universal metadata
D.7.3 Lt/Rt Surround Downmix Level
This parameter indicates the level shift applied to the Surround channels when
downmixing to an Lt/Rt output. Its operation is similar to the surround downmix level in
the universal metadata
D.7.4 Lo/Ro Center Downmix Level
This parameter indicates the level shift applied to the Center channel when adding to the
left and right outputs as a result of downmixing to an Lo/Ro output. When Extended BSI
parameters are active, this parameter replaces the Center Downmix Level parameter in the
universal parameters
Table D-22 Lt/Rt Center Downmix Level Setting
Lt/Rt Center Downmix
Level Setting
1.414 (+3.0 dB)
1.189 (+1.5 dB)
1.000 (0.0 dB)
0.841 (–1.5 dB)
0.707 (–3.0 dB)
0.595 (–4.5 dB)
0.500 (–6.0 dB)
0.000 (–999 dB)
Table D-23 Lt/Rt Surround Downmix Level Setting
Lt/Rt Surround Downmix
Level Setting
0.841 (–1.5 dB)
0.707 (–3.0 dB)
0.595 (–4.5 dB)
0.500 (–6.0 dB)
0.000 (–999 dB)
Table D-24 Lo/Ro Center Downmix Level Setting
Lo/Ro Center Downmix
Level Setting
1.414 (+3.0 dB)
1.189 (+1.5 dB)