Dolby Laboratories DP572 User Manual
Page 47
Dolby E Multichannel Distribution System User Manual
DP571 Dolby E Encoder
3-15
Dolby Srnd Mode
Dolby Srnd:
Indicates to the decoder that a two-channel signal is a Dolby Surround
(Lt/Rt) program. Can activate Dolby Pro Logic decoding in a 5.1-
channel Dolby Digital decoder.
Not Dolby Srnd: Indicates to the decoder that a two-channel signal is not a Dolby
Surround Pro Logic (Lt/Rt) program.
Not Indicated:
Indicates to the decoder that a two-channel signal may or may not be
a Dolby Surround (Lt/Rt) program.
Dialogue Level
Adjusts the dialnorm metadata parameter between -31 (decoder applies no attenuation)
to -1 (30 dB attenuation).
Line Mode Pro
Line Mode Pro(file) sets the dynrng metadata parameter to one of five presets.
None:
No dynamic range compression is applied unless downmixing
could cause overload, in which case protection dynrng is auto-
matically applied.
Speech:
Appropriate for programs with predominantly dialogue.
Music Light:
Applies light compression to music that is already compressed and
does not require excessive dynamic range restriction.
Music Standard: Applies more compression to music that is not compressed and
requires dynamic range restriction.
Film Light:
Applies light compression to a subjectively quiet film that does not
require excessive dynamic range restriction.
Film Standard:
Applies more compression to a subjectively loud film that requires
dynamic range restriction.
RF Mode Pro
RF Mode Pro(file) sets the compr metadata parameter to presets with the same names
as Line Mode Pro, but each setting is 11 dB more sensitive to avoid overloading the RF
input of a television.