Meridian G61R Installation Guide download pdf (Page 5)

I n t r o d u c t i o n

Introduction

This guide provides full information about unpacking the G61R Digital Surround Controller,

connecting it to the other equipment in the system, and configuring it using the front panel.

Once you have connected and configured the product, refer to the

G Series System Guide

for

information about operating it.

The G61R is a powerful, flexible surround controller, with 8

unbalanced analogue outputs and 10 digital outputs.

At the heart of the G61R is a powerful DSP engine consisting

of five Motorola 56367s running at 150MHz – delivering an

incredible 750MIPS (million instructions per second) capability.

Processing is performed at high sample rates and with 48-bit

precision throughout, ensuring that all filtering, processing, and

other operations are carried out beyond the limits of human

hearing. The G61R is thus a perfect processor for the very latest in

digital audio, such as DVD-Audio and DVD-Video.

Inputs

Analogue signals are converted via a 24-bit Delta-Sigma converter

to high-sample-rate digital on input to the processor, while all

digital signals are reclocked to minimise jitter and maintain total

data integrity. The G61R includes two six-channel S/PDIF digital

inputs (coax), a USB audio input, four TOSlink optical inputs, and

six more stereo coax digital inputs. In addition, there is a six-

channel analogue input, and five stereo analogue inputs.

Formats supported

The G61R combines controller and surround processor functions,

meeting the latest THX specifications and including MPEG, DTS,

Dolby, Trifield, and Ambisonic decoding. In many cases the decoders

incorporate our own code, giving them superior integration with

the Meridian design philosophy, as well as superior performance.

As a result, the G61R can decode surround signals from all PCM

optical discs. The G61R is thus an ideal complement to a G Series

optical disc player like the G98.

Smart Source feature

The G61R’s ’Smart Source’ feature continually monitors the digital

inputs and automatically loads the correct decoding software for

the format, speaker layout, and encoding of the incoming signal.

This capability is enhanced by MHR SmartLink, which provides a

digital link between a Meridian optical disc player and processor,

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Meridian G61R Installation Guide Page 5