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27
PAM1 MK2
User Handbook Issue 1
The
ALL
listening mode automatically
mutes
the internal loudspeakers and routes the
selected audio to 5.1 external loudspeakers via the variable multichannel analogue and AES
connectors. Selection can be saved as presets for instant recall.
2.11.2
Dolby E, Dolby Digital and Dolby Digital Plus
Using ALL and DRC Modes
The Dolby monitoring menu includes options called
ALL
and
DRC.
When used with a 5.1
loudspeaker monitoring system
ALL
routes the decoded 5.1 audio to the multichannel outputs. In
DRC
mode, the Dolby decoded 5.1 outputs is affected by Dolby DRC metadata and adjusted
accordingly replicating the consumer/viewer listening experience. If the monitoring mode is
switched away from
ALL
or
DRC
then the
Centre
,
LFE
,
Ls
and
Rs
speaker channels are muted
and only the
Left
and
Right
channels are active. The
5.1
monitoring selections enable a user to
‘solo’ individual surround sound signals to check the integrity of their audio.
The image below shows how a Dolby decoded signal can be routed to external 5.1 speakers using
the
Shortcut Menu
The
DRC
listening mode can be used in conjunction with either
ALL
or
Lt Rt (Lo Ro)
modes and
switches
Dynamic Range Compression
into the monitoring output signal path providing
DRC
is
activated with the
Dolby Metadata
component of the encoded signal.
Line
and
RF
DRC
monitoring modes can be selected via the
DRC
button enabling the user to hear the effect of
either form of compression on the decoded signal and hence check the integrity of the audio
heard by the consumer.
DRC mode
can only be activated via the
Monitoring Menu
and is only available if a Dolby signal
is being decoded. The images below show the selection of
ALL
and
DRC
modes using the
monitoring menu.
