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Meridian 568 Digital Surround Processor
user guide
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Preface Meridian 568 Digital Surround Processor User Guide i
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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 3800 Camp Creek Parkway Designed and Building 2400 manufactured in the UK by 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: 568 England Copyright © 1995–1
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Preface Contents Introduction 1 Introduces the digital surround processor, and gives guidelines and suggested Using the digital layouts to help you plan your surround surround processor 13 system. Provides step-by-step instructions for The 568 Digital Surround Processor ...... 2 Defining your own operating the digital surround processor, Sample configurations ........................... 4 presets 23 using either the front panel or the Meridian Specification and accessories ............... 6 Syst
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DSP presets 37 Gives technical information about each of the DSP presets, with details of the special Setting up the digital parameters available for each one. surround processor 49 Logic DSP presets ................................. 38 Describes how to unpack and install the Configuring the digital Music DSP presets ................................ 41 digital surround processor, and gives surround processor 5.1 Movie DSP presets .......................... 46 details of the video and audio witho
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Preface Configuring the digital surround processor using a computer 77 Describes how to configure the digital surround processor using the Meridian Configuration program. Troubleshooting 105 The Meridian Configuration program ..... 78 Provides suggested solutions to typical Installing the Meridian Configuration problems. Glossary 115 program ................................................. 79 Creating a new settings file.................... 82 General operating problems ............... 106 Sett
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vi Preface
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Introduction Introduction The Meridian 568 Digital Surround Processor combines a completely digital surround-sound processor with a high-performance digital preamplifier in a single integrated unit. It takes advantage of the latest techniques in high- precision analogue electronics and digital signal processing, and the result is an impressively realistic and exciting reproduction of music and cinema sound. The 568 Digital Surround Processor accepts both analogue and digital sources, and support
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The 568 Digital Surround Processor The 568 Digital Surround Processor incorporates the result of m To resample the signal to take advantage of the highest rate several years of research and development into several available (upsampling). innovative technologies. m To perform filtering or adjustment of the frequency response; eg treble or bass. Digital Signal Processing m To decode digitally-encoded signals from Dolby Digital (AC-3), DTS, or MPEG Audio. Digital Signal Processing, or DSP, is a te
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Introduction Meridian High Resolution (MHR) 500 Series communications The 568 Digital Surround Processor supports Meridian High The 568 Digital Surround Processor is part of the Meridian 500 Resolution (MHR), to allow you to connect to other MHR- Series of advanced digital, analogue, and video components, compliant Meridian products to take advantage of high-rate and these incorporate a sophisticated communications link, to audio sources, and provide the additional benefits of lower jitter allow
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Sample configurations Meridian Compact Theatre™ M33 M33 rear M33 rear M1500 M33 M33 Meridian DVD Player 568 The Meridian 568 Digital Surround Processor is ideal for use with The 568 Digital Surround Processor can connect directly to up the M33 Active Analogue Loudspeaker and M1500 Active to eight Meridian active loudspeakers, allowing you to create a Subwoofer. The M33 provides an unusually good response for 5.1 or 7.1 analogue theatre ideal for superb music and cinema such a compact case, and c
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Introduction Meridian Digital Theatre™ DSP6000 DSP6000 DSP5000C D33 side D33 side D33 rear D33 rear 504 Meridian DVD Player 568 The 568 Digital Surround Processor can be used with two multi-channel reproduction from music and film sources. The Meridian DSP6000 Digital Loudspeakers, and a DSP5000C Meridian DVD Player is an ideal source for use with the 568. It Digital Centre Loudspeaker, to provide audiophile-quality sound. allows you to play both audio CDs and DVD video discs, taking A further t
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Specification and accessories Specification Analogue outputs 4 x stereo 24-bit Delta-Sigma DAC. 8 x unbalanced outputs for centre, sub, Digital inputs 4 x cable, 75W , IEC958 and data rears, mains, and sides or subs. compatible, up to 24 bits. 3 x balanced outputs for mains and 1 x optical, Toslink (EIAJ), IEC958 and centre. data compatible, up to 24 bits. Outputs variable between 0 and Analogue inputs 2 x unbalanced, 20kW input 3.5Vrms, output impedance 47W . impedance. Distortion <0.01%. 1 x s
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Introduction Control 2 x Meridian Comms. Available accessories 9-pin D connector for RS232 PC setup The following accessories are available from your dealer. and control. Dimensions 321mm x 88mm x 332mm Meridian 511 S-patch Box (12.7" x 3.5" x 13.1") (W x H x D). The Meridian 511 S-patch box provides a convenient way to Weight 5kg (10lb). interconnect the S leads between up to eight Meridian DSP digital loudspeakers. It is required if your 568 system includes Meridian Audio reserves the right to
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Fan kit A Fan kit is available for the 568 to provide additional ventilation if the unit is installed in an enclosed space. The fan can be programmed using the Meridian Configuration program so that it either runs when the 568 is out of standby, or when the temperature rises above the recommended level. Rack mount kit The Meridian 500 Shelf is a tray produced by Middle Atlantic Products which will allow the 568, or any other 500 Series unit, to be fitted in a standard 19" rack. For more informat
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Introduction DSP presets The digital surround processor provides an extremely Multi-channel digital sources comprehensive range of digital signal processing options for decoding both analogue and digital audio signals and Several alternative multi-channel digital formats are currently processing them for multi-channel reproduction. These are available which encode up to eight different channels onto a referred to as DSP presets, and are designed to provide the best digital signal. Four alternati
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In addition, a high data-rate version of DTS can be used to Multi-channel sources encoded onto compress five channels of CD-quality audio into the same space two channels as two channels of unencoded sound, allowing a DTS music CD to provide over an hour of five-channel music, at a quality Several systems have been developed for encoding multi- indistinguishable from conventional CD. channel sources onto a standard two-channel analogue signal so that they can be reproduced by a conventional ster
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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 Super Stereo The Mono preset is designed for reproducing mono materials through a centre speaker, so that any high-frequency hiss or
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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
