Yamaha DDP-2 - Manual (Page 8)

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Laser Disc is a home audio format that could benefit from
Dolby Digital (AC-3). In the near future, Dolby Digital (AC-3) will
also be applied to DBS, CATV, DVD and HDTV. The ongoing
release of Dolby Stereo Digital theatrical films now underway will
provide an immediate source of Dolby Digital (AC-3) encoded
video software.
Manufactured under license from Dolby Laboratories Licensing
Corporation. “Dolby”, “AC-3”, “Pro Logic”, and the double-D symbol
are trademarks of Dolby Laboratories Licensing Corporation.
Copyright 1992 Dolby Laboratories, Inc. All rights reserved.
The following original functions make the surround-sound effect
of Dolby Digital (AC-3) become the most suitable for your audio
system and the listening conditions.
● Dynamic range (sound scale) of source can be changed so
that it will be suitable for the listening conditions.
● Output of low bass from any channel can be assigned to
either the MAIN output terminals or SUBWOOFER output
terminal to maximize system performance.
● Output of LFE can be assigned to either the MAIN output
terminals or SUBWOOFER output terminal to maximize
system performance.
Dolby Digital (AC-3) + DSP (CINEMA DSP)
Dolby Digital (AC-3) shows its full ability in a large movie
theater, because movie sounds are originally designed to be
reproduced in a large movie theater using many speakers. It is
difficult to create a sound environment similar to that of a movie
theater in your listening room, because the room size, materials of
inside walls, the number of speakers, etc. of your listening room is
much different from those of a movie theater.
Yamaha DSP technology made it possible to present you with
nearly the same sound experience as that of a large movie theater
in your listening room by compensating for lack of presence and
dynamics in your listening room with its original digital sound fields
combined with Dolby Digital (AC-3) decoded sound field.
The YAMAHA “CINEMA DSP” logo indicates those programs
are created by the combination of Dolby Surround and YAMAHA
DSP technology.
CINEMA DSP