M-Audio Revolution 7.1 Reviewer's Manual page 33

R E V I E W E R ' S
The power of Revolution's bass management technology is that it provides more
R E V O L U T I O N
control over bass than most high-end surround sound receivers. It is possible to set
the crossover at "none" for your full-range front left/right speakers, a 40Hz cross-
F E A T U R E S T H E
over for the surround left/right, a 60Hz crossover for the center, and 80Hz for the
M O S T P O W E R -
surround center left/right. Even with a complex speaker setup like this, Revolution
F U L B A S S
is able to accurately route bass where needed. Also key is the discrete handling and
control of both types of bass: LFE (Low Frequency Effects, or the dedicated bass
M A N A G E M E N T
audio channel on a DVD), and Bass (all of the redirected bass that would have gone
O F A N Y S O U N D
to the satellites). This is important since it allows a level of fine-tuning for audio that
C A R D — I T I S
home theater enthusiasts have been clamoring for. Revolution's bass management
makes the subwoofer channel work in a 5.1 system used for music, can extend the
M O R E P O W E R -
life of your speakers by not routing audio to your satellites that they are not capable
F U L T H A N
of handling, and improves the sound quality of your speaker system by playing the
M O S T H I G H -
right audio through the right speaker.
E N D S U R -
Note: M-Audio is in the process of providing additional enhancements to the Revolution
R O U N D R E -
7.1 bass management software. Depending on when you review the product, the soft-
C E I V E R S
ware you download from our website will use one of two methods. Both are accurate and
powerful, but you may want to understand in more detail how bass is handled in each:
G U I D E
Bass
Management
(PC). Simply select
the subwoofer in
the "Speaker
Setup" pane. With
the "Bass Man-
agement" checkbox
enabled, you gain
access to a number
of powerful controls
over your system's
bass settings.
The current bass management reduces overall volume by 6dB to ensure accurate
1
levels and to keep from overloading the subwoofer with the additional bass coming
from other speakers. If you notice a slight volume drop when bass management is
enabled, this is the method being used. When using this bass management, you can
slightly increase the main volume level to adjust for this.
Soon the software will only have a 6dB drop in the subwoofer channel when bass
2
management is enabled, to protect against overloading the subwoofer channel with
redirected bass. You can adjust the "Bass Boost" and LFE Boost" sliders to "0" to
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