4.2

been encoded in Dolby Digital Surround EX. Choose an option
from the pop-up menu:
Not Indicated: Does not send the playback device
information about whether the bitstream was encoded in
Dolby Digital Surround EX.
Not Encoded: Tells the playback device that the bitstream
was not encoded in Dolby Digital Surround EX.
Surround Encoded: Tells the playback device that the
bitstream was encoded in Dolby Digital Surround EX.
Stereo downmix: Use this pop-up menu to set how to
a surround signal to a stereo signal. For more
information, see .
Important: The LFE signal may be discarded by the Dolby
Digital downmix process.
Lo/Ro center, Lo/Ro surround, Lt/Rt center, Lt/Rt surround
(for surround sound output): Use these pop-up menus to set
the decibel level at which the surround and center channels
are . Properties are enabled or disabled based on
the channel layout you choose.
DRC line mode: Use this pop-up menu to set the
compression-processing mode. The default setting, Film
Standard, is recommended for all use cases.
DRC RF mode: Use this pop-up menu to set the dynamic
range compression-processing mode for RF devices (TV sets,
cable set top boxes, or other devices that have RF
connections).
LFE low-pass filter: Select this checkbox to apply a 120 Hz
low-pass filter to the low-frequency effects (LFE) channel
downmix
About audio channels
downmixed
dynamic
range