Yamaha DSP-A1 Owner's Manual Page 9

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CINEMA DSP: Dolby Surround + DSP / DTS + DSP
Dolby Surround sound system and DTS system show their 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 are much
different from those of a movie theater.
Dolby Pro Logic + 2 Digital Sound Fields
Digital sound fields are created on the presence side and
the rear surround side of the Dolby Pro Logic Surround-
decoded sound field respectively. They create a wide
acoustic environment and emphasize surround-effect in the
room, letting you feel much presence as if you were
watching a movie in a popular Dolby Stereo theater.
This combination is available when the digital sound field
program No. 7, 8, 9, 10, 11 or "PRO LOGIC/Enhanced" of
No. 12 is selected, and the input signal of source is analog,
PCM audio or encoded with the Dolby Digital (AC-3) in 2-
channels.
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 Surround sound or
DTS Digital Surround sound.
CINEMA DSP
The YAMAHA "CINEMA DSP" logo indicates those programs
are created by the combination of YAMAHA DSP technology
and Dolby Surround or DTS.
Dolby Digital (AC-3) or DTS + 3 Digital Sound
Fields
Digital sound fields are created on the presence side and
the independent left and right surround sides of the Dolby
Digital (AC-3)-decoded or the DTS-decoded sound field
respectively. They create a wide acoustic environment and
much surround effect in the room without losing high
channel separation. With wide dynamic range of Dolby
Digital (AC-3) or DTS sound, this sound field combination
lets you feel as if you were watching a movie in the newest
Dolby Stereo Digital theater or DTS installed theater. This
will be the most ideal home theater sound at the present
time.
This combination is available when the digital sound field
program No. 7, 8, 9, 10, 11 or "DOLBY DIGITAL (or DTS
DIGITAL SUR.)/Enhanced" of No. 12 is selected, and the
input signal of source is encoded with the Dolby Digital (AC-
3) (except in 2-channels) or encoded with the DTS.
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