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140 Chapter 11—Surround Functions
DM1000 Version 2—Owner’s Manual
About the Presets
(1) DVD LFE80Hz
This is a preset optimized for DVD-Video production. The LFE playback bandwidth is set
up to 80 Hz. When using this preset, we recommend that you use an external device to apply
an LPF (fc=80 Hz, –24 dB/oct) to the LFE master source.
To monitor audio on DVD-Audio or SACD discs, change the LFE level (AMP) and LPF
(LPF1) to 0 dB and THRU, respectively, if necessary.
The LFE output gain on some DVD players and decoders may already be set to +10 dB. To
monitor the output from such devices, change the LFE level (AMP) to 0 dB.
(2) DVD LFE120Hz
This is also a preset optimized for DVD-Video production. This preset is the same as preset
(1) mentioned above, except that the LFE playback bandwidth is set up to 120 Hz. Use this
preset to monitor standard LFE signals recorded on DVD-Video discs that include the
high-end frequency ranges (120 Hz).
(3) Movie LFE80Hz
This preset is the same as preset (1) mentioned above, except that the output level of sur-
round channels is set to –3 dB when the Monitor Matrix mode is 5.1 or 6.1. This preset is
suitable for movie production.
When using this preset, we recommend that you use an external device to apply an LPF
(fc=80 Hz, –24 dB/oct) to the LFE master source.
(4) Movie LFE120Hz
This preset is the same as preset (2) mentioned above, except that the output level of sur-
round channels is set to –3 dB when the Monitor Matrix mode is 5.1 or 6.1. This preset is
suitable for movie production.
(5) Bypass
Use this preset not only for bass management but to bypass all parameters, such as the LFE
level & LPF, surround channel level, etc.
To disable only the bass management, select another preset, then turn off the BASS MAN-
AGEMENT ON/OFF button.
■ THX Presets:
The following presets have been approved by THX™ Ltd. for use in THX pm3™ Certified
Studios*. They are designed to provide dedicated parameters for the proper playback of
multi-channel audio content in bass managed systems and to be compatible with sub-
woofer-satellite type consumer systems.
*Use of a THX preset does not permit a studio to use the designation - THX pm3 Certified
Studio. The THX pm3 Studio Certification Program uses performance and design specifi-
cations to create calibrated environments for optimum sound and picture presentation. For
more information, visit the THX website at http://www.thx.com
[THXD] THX DVD
This preset is configured for DVD-Video production. Use this preset when mixing and/or
monitoring audio content not from a theatrical film source. The parameters cannot be
changed.
[THXF] THX Film
This preset is configured for Film pre-production. Use this preset when mixing and/or
monitoring theatrical film-based content (such as a pre-mix for film). The parameters can-
not be changed.