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RSP-1069 Surround Sound Processor
DTS has added a similar capability for re-
cording this extended surround information
called DTS-ES
®
6.1 Matrix. They have also
taken it one step further and developed the
capability to record this extended surround
information as a discrete channel in a system
called DTS-ES
®
6.1 Discrete.
All of these systems are extensions of the ex
-
isting Dolby Digital 5.1 and DTS 5.1 digital
surround sound formats. Users with one cen-
ter back speaker (a 6.1 configuration) or two
center back speakers (a 7.1 configuration)
can take advantage of this extended surround
information. On traditional 5.1 channel sys
-
tems, Dolby Digital Surround EX or DTS-ES 6.1
discs sound exactly the same as 5.1 channel
discs in each respective format.
If you have configured your system with one
or two center back speakers, decoding of
DTS-ES discs is automatic, just as it is with
standard DTS soundtracks. Likewise, decod
-
ing of Dolby Digital Surround EX discs is au
-
tomatic with one exception. Some Surround
EX titles do not have the detection “flag”
encoded on the disc. To activate the Dolby
Digital Surround EX features for these discs
(or for standard 5.1 channel Dolby Digital
discs), you must manually activate Dolby Sur
-
round EX processing.
Dolby Pro Logic IIx
6.1 and 7.1 Surround
The latest technology from Dolby uses ad-
vanced matrix decoding for the surround
channels in a 6.1 channel or 7.1 channel
system. Working with any 2.0 channel or
5.1 channel recording, Dolby Pro Logic IIx
processing distributes the surround channel
information among three or four surround
channels, with a Music mode optimized for
musical recordings and a Cinema mode op
-
timized for film soundtracks.
Rotel XS
6.1 and 7.1 Surround
The RSP-1069 also features Rotel XS (eXtended
Surround) processing provides extended sur
-
round performance on 6.1 and 7.1 channel
systems. The key benefit of Rotel XS is that it
works at all times with all multichannel digital
signals, even those that might not otherwise
activate Dolby Digital EX or DTS-ES surround
decoding for the center back channel(s). Al
-
ways available when center back speaker(s)
are configured in the system setup, Rotel XS
decodes the surround channels and distrib
-
utes the extended surround channels to the
center back speaker(s) in a way that tends
to create a diffuse surround effect. Rotel XS
works with matrix-encoded surround signals
(such as non-flagged DTS-ES and Dolby Sur
-
round EX discs) as well as digital source ma
-
terial that is not Dolby Surround EX encoded
(such as DTS 5.1, Dolby Digital 5.1, and even
Dolby Pro Logic II decoded Dolby Digital 2.0
recordings).
DSP Modes
Unlike all of the formats mentioned above,
the RSP-1069 offers four surround modes that
are not part of a specific recording/playback
system. These modes (DSP 1–4) use digital
signal processing that adds special acoustic
effects to any signal. DSP processing can be
used with Dolby Surround recordings, Dolby
Digital recordings, CDs, radio broadcasts,
or any other source material; however, typi
-
cally DSP settings would be used with source
material for which there is no specific sur-
round decoder.
The four DSP MODES in the RSP-1069 use
digital delay and reverberation effects to simu
-
late progressively larger acoustic environments
with DSP 1 being the smallest type of venue
(such as a jazz club) and DSP 4 being a large
venue (such as a stadium). Typically used to
add ambience and a sense of space when
listening to music sources or other sources
that lack surround sound encoding.
2Ch/5Ch/7Ch Stereo Formats
The RSP-1069 also provides four modes that
disable all surround processing and deliver
stereo signals to amplifiers and speakers.
2CH Stereo: Turns off the center channel
and all surround channels in the system and
delivers a conventional 2-channel signal
to the front speakers. If the system is con-
figured to route bass signals from the front
speakers to the subwoofer, this capability
remains in effect.
Analog Bypass: For 2-channel analog
inputs, there is a special stereo mode that
bypasses ALL of the RSP-1069’s digital pro-
cessing. The two front speakers receive pure
analog stereo full-range signals with no sub-
woofer crossover, no delay, no level adjust
-
ments, and no contour adjustment.
5CH Stereo: Distributes a stereo signal to
5.1 channel systems. The left channel signal
is sent, unchanged, to the front left and sur
-
round left speakers. The right channel is sent
to the front right and surround right speak-
ers. A mono sum of the two channels is sent
to the center channel speaker.
7CH Stereo: This mode is the same as
5CH Stereo described above except that it
also distributes stereo signals to center back
speaker(s) installed in the system.
Other Digital Formats
Several other digital formats are not surround
sound formats at all, but rather systems for
digital 2-channel recordings.
PCM 2-channel: This is an uncompressed
2-channel digital signal such as that used for
standard CD recordings and some DVD re
-
cordings, particularly of older films.
HDCD
®
: This system uses higher bit rates
and a variety of enhancements to improve
the sonic performance compared to standard
audio CDs. These discs, labeled HDCD, can
be played on standard CD players. Howev
-
er, when the digital signal is decoded using
an HDCD decoder like that in the RSP-1069,
they will provide exceptional musical repro
-
duction.
DTS Music 5.1 Discs: These discs are a
variation of audio CDs that include a DTS 5.1
channel recording. The RSP-1069 decodes
these discs just like a DTS movie soundtrack
when played on a CD player or DVD player
with a digital output connection.
DVD-A music discs: Taking advantage of
the increased storage capacity of the DVD
disc, new high bit rate multichannel audio re
-
cordings are available on DVD-A discs. DVD-
A discs may include multiple versions of the
recording including standard PCM stereo,
Dolby Digital 5.1, DTS 5.1, and 96kHz/24
bit (or higher) multichannel recordings using
MLP compression. Several of these formats
(standard PCM, Dolby Digital, and DTS 5.1
can be decoded by the RSP-1069 when the
DVD player is connected with a digital cable.
However, the existing optical and coax digital
connection standard does not provide sufficient
bandwidth for multichannel high sampling rate
MLP recordings. Therefore, you must use the
HDMI high-definition digital connection to
replay the high-resolution audio soundtrack
of DVD-A discs. Alternatively, the high-reso
-