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Meridian 565 Digital Surround Processor
user guide
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Sales and service in the UK Meridian Audio Ltd Stonehill Stukeley Meadows Sales and service in the USA Cambs PE18 6ED Meridian America Inc England Designed and 3800 Camp Creek Parkway manufactured in the UK by Building 2400 Tel (01480) 52144 Suite 122 Fax (01480) 459934 Atlanta Digital Gramophone and Wireless Ltd GA 30331 Stonehill World Wide Web Stukeley Meadows http://www.meridian-audio.com Tel␣ ␣ (404) 344 7111 Cambs Fax␣ ␣ (404) 346 7111 PE18 6ED Part no: 565U/3 England Copyright © 1995–8 Di
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Preface Contents Introduction 1 Introduces the digital surround processor and describes the alternative surround Using the digital sound configurations that it supports. surround processor 13 The Meridian 500 Series ........................ 2 Provides step-by-step instructions for Sample configurations ........................... 3 Customising the digital operating the digital surround processor, Specification and accessories ............... 7 surround processor 21 using either the front panel o
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DSP presets 33 Gives technical information about each of the DSP presets, with details of the special parameters available for each one. Service and guarantee 45 Logic DSP presets ................................. 34 Gives information about servicing your Music DSP presets ................................ 37 digital surround processor. 5.1 Movie DSP presets .......................... 42 Glossary ................................................. 47 Index ..........................................
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Introduction 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 sou
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The Meridian 500 Series The 565 Digital Surround Processor is part of the Meridian 500 500 Series communications Series of advanced digital, analogue, and video components designed to meet the demand for absolute quality, ease of use, The Meridian 500 Series includes a sophisticated and lasting value. communications link, to ensure that any configuration of units will work together as a fully integrated system. The flexibility of the Meridian 500 Series is such that you can assemble a system as
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Introduction Sample configurations Three-channel stereo system Five-channel surround system M60 M60 M60 M60 M60C M60C 565 565 556 The first step you can take in exploring the benefits of surround The next step in creating a surround system for cinema and sound is to add a centre speaker to the left and right speakers of music reproduction is to add a pair of rear channel surround a conventional stereo system. An ideal choice is the Meridian speakers, to provide cinema effects and add spatial inf
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THX system Meridian Analogue Theatre M60C M60 M60 M60 M60 M2500 M60C 565 556 555 556 565 A THX system is designed to recreate the original cinema sound The ultimate analogue surround system consists of two pairs of in your home. It uses a mono subwoofer to enhance the bass Meridian M60 Active Loudspeakers, in conjunction with a from the main left and right speakers. Meridian M60C Active Loudspeaker. These speakers can be connected directly to the 565 to provide a complete five-speaker If your ma
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Introduction Meridian Digital Theatre™ Meridian Digital Theatre using DSP6000 Digital Loudspeakers DSP6000C DSP6000 DSP6000 DSP6000 DSP6000 DSP5000 DSP5000 DSP5000 DSP5000 DSP5000C M2500 565 565 The Meridian Digital Theatre is a completely digital system which The ultimate Meridian Digital Theatre uses a 565 in conjunction provides audiophile-quality surround sound for music and film. with four or six DSP6000 Digital Loudspeakers and a DSP6000C Two pairs of DSP5000 Digital Loudspeakers are compl
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A complete multimedia surround An AC-3 LaserDisc system system DSP5000 DSP5000 LaserDisc RF 519 565 DSP5000C Optical Optical Video recorder The digital surround processor can be upgraded to provide fully LaserDisc digital decoding of 5.1 channel AC-3 sources, to give the highest-possible sound quality available, combined with 504 comprehensive support for the flexible AC-3 decoding options and user features. 586•2 562V 565 The Meridian 519 Demodulator converts the AC-3 signal provided on the RF
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Introduction Specification and accessories Specification Precision Digital input-output up to 22 bits. Internal precision maintained using 24- Digital inputs Cable inputs: 75W . IEC958 and data and 48-bit arithmetic. compatible. Analogue outputs Outputs: 1–8, output voltage variable Optical input: TosLink to EIAJ, IEC958 between 0 and 3.5V rms. Output and data compatible. impedance 47W . Analogue input Input signal for full digital level: 2Vrms. Digital/analogue conversion: eight Input impedance
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Available accessories PCM, 7.1, and MLP versions The following accessories are available from your dealer: The 565 Digital Surround Processor is available in two versions; a PCM version, which decodes Stereo, Trifield, Ambisonic, and m Meridian System Remote. Dolby Surround materials, and a 7.1 version, which also m Power cord Europe. supports Dolby Digital (AC-3), DTS, and MPEG. Support for MLP m Power cord Canada and USA. (Meridian Lossless Packing) format is also available as an optional extr
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Introduction DSP presets The digital surround processor provides an extremely Multi-channel digital sources comprehensive range of options for decoding both analogue and digital audio signals and processing them for multi-channel The 565 Digital Surround Processor supports the three reproduction. alternative multi-channel digital formats currently available, which encode up to 8 different channels onto a digital signal: The digital surround processor provides several digital signal Dolby Digital
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MPEG Surround Multi-channel sources encoded onto two channels MPEG Surround is the preferred audio format for DVD in PAL territories, and along with Dolby Digital is a contender as the Several systems have been developed for encoding multi- standard for music and performance videos on DVD worldwide. channel sources onto a standard two-channel analogue signal In addition, it is widely available in US satellite broadcasts. so that they can be reproduced by a conventional stereo system, or decoded
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Introduction TV Logic Conventional stereo sources TV Logic provides user-adjustable steering, and is The digital surround processor can also accept a conventional recommended for use with TV broadcasts that are not surround two-channel source, such as music on compact disc or a video encoded, where Pro Logic may give reduced intelligibility. soundtrack, and by analysing the information in the signal separate the two-channel recording into multiple channels to THX Cinema give better reproduction
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Trifield Special DSP presets Trifield uses a different processing technique to give a stable, The digital surround processor also includes the following three-dimensional image, with the ability to adjust the width of special DSP presets, for specific applications: the image. Because of its precision we recommend this option for solo, chamber, or vocal music. Mono and Academy Super Stereo The Mono and Academy presets are designed for reproducing mono materials through a centre speaker, so that a
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Using the digital surround processor Using the digital surround processor This chapter provides a summary of the functions of the digital surround processor to identify the controls which you use to operate the unit. It also provides step-by-step instructions for operating the digital surround processor, using either the front panel or the Meridian System Remote. 13
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Front panel 1 Source Selects the source. 2 Store Changes the DSP preset Display selected for a source. 3 Display Changes the information displayed on the front panel. BOOTHROYD STUART Digital 65 565 4 < (menu left) Source Store Display<> VA Off Digital Surround Processor Selects the previous DSP parameter. 5 V (menu down) Decreases the currently- displayed parameter. 1 2345678 6 A (menu up) Increases the currently- displayed parameter. 7 > (menu right) Selects the next DSP parameter. 8 Off 14
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Using the digital surround processor Switching on and off When not playing, the digital surround processor should be left To switch to standby in the standby state. This uses a negligible amount of electricity, but ensures that the components of the digital surround l Press Off on the front panel or the remote. processor operate at maximum efficiency from the moment you start. . The display will show: If you are not going to use the digital surround processor for several days you should
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Selecting a source To select a source l Press Source (front panel) until the display shows the source you require, or press the appropriate source key on the remote; eg CD. The display shows the source and volume setting. For example, if you select the CD 56 CD source the display will show: Then after a short delay the display shows the currently selected DSP preset: Music 56 For example: By default the following 12 sources are available: CD, Radio, LP, TV, Tape 1, Tape 2, CDR, Cable,
