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Discrete and Cinema DSP preset parameters
Parameter Options What it changes
2+2+2* Off, 5.1, Side, 7.1 Allows you to specify how DVD Audio channels 3+4 should be
interpreted: Off ignores them, 5.1 and 7.1 use them for centre and LFE,
Side uses them for the side speakers, 7.1 adds side speakers to 5.1.
Surround† Surr. Rear, Surr. Side, Surr. All Allows you to specify which speakers the surround channels should be
sent to in a system with four surrounds.
R Filter Off, 1kHz, 3kHz, 7kHz The cutoff of high frequencies from the rear surrounds.
S Filter Off, 1kHz, 3kHz, 7kHz The cutoff of high frequencies from the side surround.
LFE -28dB to 0dB The relative level of the LFE bass channel.
*Discrete only.
†Cinema only.
DSP presets
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DSP presets for multichannel material
Multichannel audio signals can come from either encoded data
streams (such as Dolby Digital) or as discrete channels from a DVD
player. If you are using Meridian SmartLink then all formats will
reach the G61 as discrete channels. With suitable loudspeakers the
G61 can upsample these to provide a more enjoyable surround
experience.
The G61 Digital Surround Controller will automatically select the
right decoder algorithm and present the same set of preset choices
for all streams. Note: Some presets are only available if there are
four surround speakers in the system.
There are four multichannel Music presets:
• Discrete, PLIIx Mus6, THX Music, and Ambisonics B format
(discrete inputs only).
There are five multichannel Movie presets:
• Cinema, PLIIx Mov6, THX, THX Surround EX, and THX Ultra2
Cinema.
The multichannel Music presets all use the Music speaker layout
and the multichannel Movie presets all use the 5.1 Movie speaker
layout; see
Speaker layouts
, page 33.
Cinema
The Cinema preset is recommended for listening to multichannel
movie soundtracks when no further processing is required.
Discrete
The Discrete preset is similar to Cinema, except that it uses the
Music speaker layout and sets the LFE level to -10dB.