Paradigm Reference Signature Serie Manuel D'utilisation page 22

PARADIGM PERFECT BASS KIT™:
A TRUE AUDIOPHILE SOLUTION TO THE PROBLEMS OF THE ROOM
Step-by-step instructions for using the Paradigm Perfect Bass Kit are
included in the following section but before you begin, a little about how
PBK works on your room and what makes it better than any other digital
room correction system in the world:
• PBK is a state-of-the-art "bass perfecting" system that analyzes the
subwoofer's response in your room, then sets the correct equalization
parameters to attain optimal sound. The frequency response of each
PBK microphone is measured precisely and the data is used to create
the microphone's calibration file included on the PBK software
disk. The microphone can only be used with the matching individual
calibration file.
• PBK applies Super-Efficient Infinite Impulse Response (IIR) Filters in
addition to Paradigm's Custom Filter Topology to minimize delay and
reduce processing gain noise. The combination of limiting the widths
of our IIR filters and applying our topology means that any artifacts
that might have resulted from the filtering process are so small as to
be completely inaudible.
• PBK allows for Multiple Microphone Measurements: Most room
equalization methods work from only a single point source, taking one
measurement at the primary listening position. PBK provides for multiple
user-selected measurement points (we suggest a minimum of five, but
up to ten can be measured), beginning with a measurement at the
primary listening position and then moving across the listening area.
This process is critical to properly dealing with standing waves and
ensuring optimal bass performance throughout the listening area.
• Unlike many "Room EQ" systems, PBK applies Correction to Peaks
(modes) and Dips (anti-modes). Tackling both allows us to achieve a
far more accurate and natural room response. To limit the demands on
the amplifier and maximize signal-to-noise ratio PBK applies appropriate
limits to this correction.
• PBK is Ultra-Accurate! The connected PC's 64-bit floating-point
processor does the hard work of calculating the correction curves, which
greatly minimizes rounding errors of a less sophisticated "calculator".
• It's Easy to Use (we've done the hard work!). Three years of intensive
research and development on our part have made it a snap to attain
Perfect Bass performance in any room! All that's required is a PC running
Windows XP, Vista or Windows 7*, 2 USB ports and the Paradigm
Perfect Bass Kit.
NOTE: *As new PC operating systems become available the PBK system will be
updated. Go to http://www.paradigm.com/PBK to download the compatible version,
following the procedure for 'Installing the Software' on page 19.
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