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MODE ADJUST
Lexicon
5-18
5.1 ULTRA2, 5.1 SurEX, & 5.1
(continued from page 5-17)
• Designed for playback of 5.1-channel Dolby Digital film
sources.
• Allows 7-channel playback of 5.1-channel Dolby Digital sources
without THX Surround EX encoding.
• Applies THX re-equalization to simulate high-frequency rolloffs
that occur in movie theaters. Most films are mixed for movie
theaters, and might sound too bright when played back in
home theaters without re-equalization.
• Applies THX timbre matching to minimize timbre differences
between the front and surround channels, which results in
smoother sound movements between them.
• Recommended for home theaters with THX-certified speakers.
When THX Ultra2 decoding is engaged:
• Applies adaptive de-correlation to increase the perceived width
of the listening space. De-correlation of the mono surround
channel increases the perceived width of the surround field in
home theaters.
• Applies ASA processing to signals sent to the rear speakers.
Refer to the ASA parameter description on page 3-31 for more
information.
5.1 @**
OR
5.1 @** SurEX
OR
5.1 @** ULTRA2MODE ADJUST
When THX Surround EX decoding is engaged:
• Applies matrix decoding to derive three surround channels
from 5.1-channel Dolby Digital sources.
Default Possible
Parameter Setting Settings
RE-EQUALIZER ON ON, OFF
SURROUND EX AUTO AUTO, ON, OFF
COMPRESSION OFF AUTO, ON, OFF
LFE MIX +0.0dB -10.0 to +0.0dB
OUTPUT LEVELS Refer to page 5-32
CUSTOM Refer to page 5-33
Listening mode menu parameter descriptions begin on page 5-34.