Yamaha NX-P120 - 6 Piece Home Theater Speaker System Owner's Manual page 108

Appendix
Copyright and logo marks
This product incorporates copyright protection technology that is
protected by method claims of certain U.S. patents and other
intellectual property rights owned by Macrovision Corporation and
other rights owners. Use of this copyright protection technology
must be authorized by Macrovision Corporation, and is intended for
home and other limited viewing uses only unless otherwise
authorized by Macrovision Corporation. Reverse engineering or
disassembly is prohibited.
SILENT CINEMA is a trademark of YAMAHA
CORPORATION.
Active Servo Processing Subwoofer System with a built-in
power amplifier
This subwoofer system (NX-SW120) employs Advanced
Yamaha Active Servo Technology which YAMAHA has
developed for reproducing higher quality super-bass sound. This
super-bass sound adds a more realistic, theater-in-the-home
effect to your stereo system.
Manufactured under license from Dolby Laboratories. "Dolby",
"Pro Logic", and the double-D symbol are trademarks of Dolby
Laboratories.
"DTS" and "DTS Digital Surround" are registered trademarks of
Digital Theater Systems, Inc.
MPEG Layer-3 audio decoding technology licensed from
Fraunhofer IIS and Thomson multimedia.
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