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Sound field simulation
The surround processes already described require
programme material which is encoded using the
appropriate system, but the
DD 1535 R
also offers a
facility to enhance the spatial effect available with
conventional unencoded stereo recordings (CD, MC, FM
radio etc.).
These
sound field simulations
are based on an
accurate analysis of the room acoustics of a number of
popular room and hall types.
The digital signal processor of your decoder is capable of
simulating and reproducing the characteristic sound of
these venues.
For example, if you select the
HALL
setting while
watching a rock concert on television, you will have the
illusion of sitting in the middle of the audience.
Please note that it is important to set the sound field
which is appropriate for the material to which you are
currently listening. It makes no sense at all to select a
sports stadium if you intend listening to a concert of
chamber music, or an intimate club atmosphere for a
rock concert.
Your
DD 1535 R
can generate the following sound fields:
Disco
This sound field is particularly suitable for providing an
even spread of sound over a dance area. The sound
signal is reproduced with equal power by the main and
surround loudspeakers, without echo or delay. The
strongly concentrated sound produced in this way
generates an immediate, energy-charged atmosphere
which is a great choice for any party.
Note:
With the Dolby Digital EX / DTS ES decoder the signal is
also reproduced by the centre and back speakers.
Hall
A resonant concert hall with reflections from all
directions. Ideal for reproducing a large orchestra, or the
live atmosphere of a large rock concert hall - an excellent
choice for highly dynamic rock music.
Opera
This program combines the complete spectrum of clear
voice reproduction with the full sound reproduction of an
orchestra, without any unnatural echo. For better
orientation the room sound is restricted slightly towards
the rear.
Arena
Sound image with a narrow presence in the front region.
Commentators and dialogues are localised on the
screen. The rear resonance provides the impression of
the public in the stadium. This sound field is also suitable
for TV shows and music transmissions.
Club
The characteristic cellar jazz club atmosphere, with a
pattern of sound reflection which is dominated by large
floor and wall surfaces. Also good for simulating small
halls.
Church
Simulation of the acoustic conditions of a large church
with a long resonant period. This sound field is the
perfect choice for sacred organ music.
MCH-IN
If the MCH-IN input is assigned to the active source. In
this case the sound signal of the Multi-channel input is
used.