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PLIIx Movie and PLIIx THX DSP preset parameters
Parameter Options What it changes
Surrounds Rear, Side, All Which of the four surround channels are generated by steering.
Pro Logic Off, On On selects an emulation of the original Pro Logic decoding.
DSP presets
48
Stereo and Direct
The Stereo preset passes the left and right input signals directly to
the left and right main speakers. Any mono or front left and right
subwoofers continue to be used.
With the Direct preset only the left and right main speakers are
used, bypassing any spatial processing and bass management.
There are no additional DSP preset parameters for Stereo and
Direct.
PLIIx Movie and PLIIx THX
PLIIx Movie and PLIIx THX use the Dolby Pro Logic IIx DSP
processing mode, and are the recommended choice for Dolby
Surround encoded material. They also give excellent results with
two-channel sources not specifically encoded for Dolby Surround,
including two-channel Dolby Digital sources.
Pro Logic IIx re-creates 7.1-channel movie surround from the two-
channel source, using improved decoding techniques that preserve
the directness of the soundfield, resulting in enhanced image
stability compared with the original Pro Logic decoding. Meridian’s
implementation of Pro Logic IIx uses proprietary code based on 48-
bit precision to give outstanding clarity.
The PLIIx THX DSP preset uses the same PLIIx processing as PLIIx
Movie, but adds THX Cinema processing. THX is a set of standards
and technologies developed by Lucasfilm Ltd. with the aim of
making your experience of the film soundtrack as faithful as
possible to what the director intended.
Re-equalistion is used to restore the correct tonal balance for
watching a film soundtrack in a small home environment.
Timbre matching filters the information going to the surround
speakers so that they more closely match the tonal characteristics
of the sound coming from the front speakers. This ensures seamless
panning between the front and surround speakers.
THX can also be used with the 5.1 Movie DSP presets; see
THX
,
page 51.
G Series DSP 48 31/10/03, 4:24:40 pm