Rotel RSX-1058 Owner's Manual download pdf (Page 29)

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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 Channel 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 Channel Surround

The RSX-1058 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 Music Modes

Unlike all of the formats mentioned above,

the RSX-1058 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 RSX-1058 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 RSX-1058 also provides four modes that

disable all surround processing and deliver

stereo signals to ampliﬁers and speakers.

The four options are:

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 RSX-1058’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 RSX-1058,

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 RSX-1058 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 RSX-1058 when the

DVD player is connected with a digital ca-

ble. However, the existing optical and coax

digital audio 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-resolution audio can be decoded by the

DVD-A player and the resulting analog signals

sent to the RSX-1058’s MULTI INPUT.

SACD

: This is a proprietary high-resolution

audio standard for use on SACD compatible

disc players. As with DVD-A discs, the band-

width is too high for today’s digital connec-

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Rotel RSX-1058 Owner's Manual Page 29

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