Meridian Meridian 565 Bedienungsanleitung
Meridian 565 Digital Surround Processor
installation guide
Preface
ii
Sales and service in the UK
Meridian Audio Ltd
Stonehill
Stukeley Meadows
Cambs
PE18 6ED
England
Tel␣ ␣ (01480) 52144
Fax␣ ␣ (01480) 459934
World Wide Web
http://www.meridian-audio.com
Part no: 565I/3
Sales and service in the USA
Meridian America Inc
3800 Camp Creek Parkway
Building 2400
Suite 122
Atlanta
GA 30331
Tel␣ ␣ (404) 344 7111
Fax␣ ␣ (404) 346 7111
Designed and
manufactured in the UK by
Digital Gramophone and Wireless Ltd
Stonehill
Stukeley Meadows
Cambs
PE18 6ED
England
Copyright © 1995–1998 Digital Gramophone and Wireless Ltd.
Manufactured under license from Dolby Laboratories Licensing
Corporation (Canadian patent 1,037,877), Lucasfilm Ltd. (US patents
5,043,970; 5,189,703; 5,222,059), Trifield Productions Ltd, and Nimbus
Records Ltd.
Dolby, Pro Logic, AC-3, and the double-D symbol are trademarks of
Dolby Laboratories Licensing Corporation. Lucasfilm, THX, and THX
Cinema are registered trademarks of Lucasfilm Ltd. DTS is a registered
trademark of Digital Theatre Systems Inc. MPEG is a registered
trademark of the MPEG organisation. Ambisonic is a registered
trademark of Nimbus Records Ltd. Trifield is a trademark of Trifield
Productions Ltd. LaserDisc is a trademark of Pioneer Electric Corp.
Boothroyd|Stuart Meridian, Meridian, Meridian Digital Theatre, MLP, and
LipSync are registered trademarks of Meridian Audio Ltd.
This guide was produced by Human-Computer Interface Ltd, Cambridge,
England.
iii
Preface
Contents
Introduction 1
Introduces the digital surround processor,
and gives guidelines and suggested
layouts to help you plan your surround
system.
Planning a system..................................2
Planning sources...................................6
Setting up the digital
surround processor 7
Describes how to unpack and install the
digital surround processor, and gives
details of the video and speaker
connections.
Unpacking..............................................8
Connecting the digital surround
processor...............................................9
Connecting video...................................12
Connecting speakers.............................13
Connecting sources...............................15
Connecting to other Meridian
equipment..............................................18
Configuring the digital
surround processor 19
Describes how to configure the digital
surround processor for the speaker
arrangement you want to use.
Choosing standard settings...................20
Specifying the speaker layout................22
Speaker layouts.....................................24
Setting up the speaker outputs.............28
Preface
iv
Troubleshooting 53
Provides suggested solutions to typical
problems.
General operating problems..................54
Audio problems......................................55
Video problems......................................58
Index......................................................59
Setting up sources 45
Explains how to set up the sources
connected to your digital surround
processor and configure them to suit your
other equipment.
Standard source settings.......................46
Examples of configuring the
sources..................................................50
Calibrating the system33
Explains how to use the digital surround
processor’s built-in calibration procedure
and test signals to set up your system for
the best possible sound.
Using the calibration procedure............34
Calibration tests.....................................36
Test signals............................................44
Introduction
1
Introduction
The Meridian 565 Digital Surround Processor is unique in being the first
completely digital surround-sound processor, and it defines the standard
for both music and cinema performance. To achieve this we have
combined the latest techniques in high-precision analogue electronics and
digital signal processing with a careful analysis of all types of recorded
music. The result is a system that produces impressively realistic and
exciting reproduction of music and cinema sound with support for all the
current two-channel and multi-channel audio formats. These include PCM,
Dolby Digital (AC-3), DTS, and MPEG, as well as support for several
proprietary processing modes. MLP (Meridian Lossless Packing) format is
also available as an optional extra.
This Installation Guide explains how to set up the digital surround
processor to give the best results with a wide variety of different system
configurations. Once you have set up the 565, or if it has been set up for
you by your dealer, refer to the Meridian 565 Digital Surround Processor
User Guide for information about using the 565, and getting superb results
from all your music and cinema recordings.
2
Introduction
Planning a system
Before unpacking and setting up your digital surround processor
it is worth spending a little time planning how to set up the
speakers, and the other components of your hi-fi system, so that
they will give the best results when used in conjunction with the
565.
The digital surround processor can be configured to work with a
wide range of different speaker layouts. These include
combinations of a centre speaker, up to four surround speakers,
and up to three subwoofers, with the main left and right
speakers.
The following pages show some of the speaker layouts
particularly recommended for use with the digital surround
processor. For more information about these and the other
layout options see Specifying the speaker layout, page 22.
When you are playing a 5.1 source the digital surround
processor will choose the appropriate decoding for the layout
you are using.
Three-channel surround system
(Layout G or L, No Surrounds)
Adding a centre speaker is the most significant step you can
take to upgrade a two-speaker system, whether you are using
the system for cinema, music, or a combination of the two. It
reinforces the central image, and allows the left and right
speakers to be further apart for a wider soundstage. This gives a
more realistic and stable three-dimensional image of the original
recorded sound, for outstanding music and cinema
reproduction.
The centre speaker needs to be of equivalent quality, and tonally
matched, to the main left and right speakers. It should also have
good power handling as it regularly plays louder than the left
and right speakers. The ideal position is at the same height as
the left and right speakers, and above the TV in a home cinema
system.
Introduction
3
Four-channel surround system
(Layout M, 2 Surrounds)
If you are primarily interested in home cinema you may prefer to
extend an existing stereo system by adding a pair of rear
surround speakers, for cinema effects and ambient sounds.
For cinema the surround speakers do not take a huge strain, so
small units can be used such as in-wall or bookshelf-mounted
speakers. For 5.1 or Ambisonic reproduction, the rear speakers
should be capable of reproducing the full frequency range, and
should ideally be the same as the front speakers.
Five-channel surround system
(Layout G, 2 Surrounds)
Our recommended surround system for music and cinema uses
five speakers, with the main left and right speakers providing the
bass. This gives a very natural sound for music listening, and a
precise three-dimensional image combined with good bass
performance for cinema.
If you also have a mono subwoofer available you can choose to
use this for the cinema presets, to enhance cinema effects
without affecting the quality of music from your system (Layout
AG). This is a good compromise if your primary interest is music,
and you want the benefit of enhanced bass performance for films.
Alternatively, you can choose to use the subwoofer for the Dolby
Digital LFE channel; see To select a 5.1 LFE subwoofer,
page 27.
4
Introduction
THX system (Layout A)
If your primary interest is cinema, you can use a mono
subwoofer to enhance the bass performance for both cinema
and music presets.
This is the configuration recommended by Dolby and THX for
use with Pro Logic, and is a good choice if you want to enhance
the bass from the main left and right speakers, or your room is
large.
Seven-channel surround system
(Layout G, 4 Surrounds)
The digital surround processor allows you to add side surround
speakers, to enhance the effect of the rear surrounds in home
cinema reproduction. This gives a more realistic portrayal of
special effects, such as a plane flying overhead from front to
back.
For music reproduction, and in particular music using Ambisonic
encoding, the side surrounds allow an even more faithful
recreation of the original sound field.
The side surround speakers should be positioned on the side
walls level with the listening position.
If your main speakers have a limited bass response you can
benefit from a mono subwoofer (Layout A, 4 Surrounds).
Introduction
5
Surround system with full-range
speakers (Layout L)
A system designed for very serious music listening should use
five or seven full-range speakers, with good bass performance,
to recreate the original low frequency ambience and give the
correct energy balance at low frequencies.
A recommended configuration, for the ultimate in music and
cinema surround sound, consists of two Meridian DSP6000
Digital Loudspeakers, a DSP6000C Digital Centre Loudspeaker,
and four DSP5000 or DSP5500 Digital Loudspeakers.
Using the 565 with Meridian DSP
Loudspeakers
Meridian systems will often contain two or more units that can
be controlled by the Meridian System Remote infra-red remote
control. The Meridian 500 Series avoids conflicts in such a
situation by designating one of the units as the controller for the
system, and making all the other units receive their instructions
from the controller via a special communications cable.
If your surround installation includes one or more Meridian DSP
Loudspeakers, such as the DSP5000, DSP5500, or DSP6000,
we recommend you make one of the digital speakers the
controller for the system. This way you will be able to give
commands to all the 500 Series units connected to the system
simply by pointing the Meridian System Remote at the specified
speaker. Generally you would choose the speaker that has the
best infra-red path from the listening position, typically the
centre speaker.
6
Introduction
The 565 provides three audio inputs: analogue, digital-cable,
and digital-optical. These inputs will allow you to set up a
surround system with the following sources, without the need for
an additional preamplifier:
❍CD or DVD connected to the digital-cable input.
❍TV connected to the analogue input.
❍LaserDisc, connected to the digital-optical input.
Using a Digital Control Unit
For greatest flexibility, and optimal performance, the 565 should
be used in conjunction with the Meridian 562 or 562V Digital
Control Unit. In this case all the source selection and switching
is performed by the Digital Control Unit. The 562 and 562V
Digital Control Units provide an on-board analogue to digital
converter, allowing up to seven analogue sources to be
connected to the 565, each with adjustable sensitivity,
combined with up to seven digital sources to provide a pure
digital feed to the 565.
Planning sources
Using an analogue preamplifier
Alternatively, the 565 can be used in conjunction with an
analogue preamplifier, such as the 501 or 501V Control Unit,
connected to the 565 analogue input. In this case digital
sources, such as a LaserDisc or CD, should be connected
directly to the appropriate 565 digital inputs. The 501 and 501V
Control Units allow up to six analogue sources to be connected
to the 565, each with adjustable sensitivity.
Using a LaserDisc player
Some early LaserDiscs are recorded with analogue soundtracks,
or provide different information on the analogue and digital
soundtracks, so to take advantage of these you will need to
connect a LaserDisc player to both a digital and an analogue
input.
If you have a 7.1 version of the 565 you can take advantage of
Dolby Digital LaserDiscs by connecting the LaserDisc player to
the 565 via a 519 Demodulator; see To connect to a 519
Demodulator, page 15.
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