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CASE STUDY - SSL

Audio Production

Solid State Logic’s (SSL) Product

Demonstration Area (PDA) is a suite of

6 fully functioning production studios,

used for demonstrations, training, testing

and product development. Built over two

oors, each of the studios is acoustically

acoustic designers, including Sam

Toyashima, WhiteMark, Neil Grant

Associates and Munro Acoustics. The

studios are all wired for video and 5.1

audio and with the development of HD

video and audio, digital workstations and

computer based production technology,

SSL saw an opportunity to develop even

more exibility and capability for this

showcase facility.

Central to the vision for the

development was the need to give

complete exibility to all resources in

the facility. Customer demands mean

that at any time there may be a need to

do 5.1 audio demo mix production in

one room, at the same time providing

a HD, mix-to-picture training session

in another. The combination of six

multi-channel console rooms having

free access to ve Mac and PC based

workstations and their associated display

screens, pointing devices, keyboards

and HD video feeds were a complex

problem to solve.

Initially, SSL’s PDA had three machine

rooms to house tape machines, power

supplies and all the other paraphernalia

that studios need. With SSL’s

development of more green, energy

efcient technology and the use of PC

and Mac workstations, it looked feasible

that all studios could be fed from one

machine area. It also seemed feasible

that the majority of the installation

could be future proofed by ood wiring

with CAT5e and Fiber to carry all audio,

video and control signals. These became

further design goals for the project,

reducing power consumption, machine

space and liberating copper stuffed cable

ducts to be freely accessible and capable

of signicant expansion, when necessary.

When the time came to plan the new

installation, SSL engineers sat round the

table with Adder to work out a exible,

cost efcient solution to the various

challenges. A key technical obstacle was

how to deal with Mac and PC display,

keyboard and controller technology,

particularly the need for hi-resolution

video and USB 2.0 serial connections.

The solution came in the form of Adder’s

new ADDERLink X50 module. This

combined the required video resolutions,

with USB 2.0 capability and common

CAT5e based wiring. At the machine

end, each Mac and PC is connected to

it’s own X50 transmitter. CAT5e is then

wired to a manual CAT5e Patch and

in each studio, the displays, keyboards,

mice and USB ports are taken from the

X50 receivers. To provide additional

video only feeds to HD projectors and

secondary TFT displays, the installation

uses parallel ADDERLink AV100 units,

again via a CAT5e patch.

The central machine area is on the

ground oor, meaning that the longest

cable runs to rst oor studios are

approximately 40 metres (130 ft.), initial

testing proved that the X50 would be

capable of all the video resolutions

needed, even at the longest distances.

Also the USB performance gave

snappy pointer and keyboard reactions.

Projector video feeds also had great

resolution performance, all the video and

control problems were solved.

Result

Audio at the Speed of Light with a

solution to the challenges of workstation

control and display, the next hurdle was

how to deliver the same exibility for

SSL’s audio. Key to solving this challenge

were SSL’s MORSE bre MADI router

and Alpha-Link Fibre MADI Convertors.

Each room was wired for several bre

MADI feeds all connected to the MADI

router in the machine area.

All consoles, processors and

workstations were also connected to

the bre router, creating the world’s

largest MORSE routing system and

eliminating approximately 10km of multi-

core and co-axial wire in the process.

Multiple Synchronization: As if

this project weren’t complex

enough, another challenge is system

synchronization. In most installations,

there’s a single source of Video sync

and Wordclock and that is distributed

throughout the whole facility. A complex

demand on SSL’s resource is the need to

work in different studios using different

standards, for example, PAL and NTSC,

Tri-Level sync for HD and also often at

different digital audio sample frequencies.

To resolve this challenge the facility has

multiple master sync sources that are

used to create all the house sync signals.

Each studio can then be patch isolated

to allow any console and associated

workstation to work independently

of another. In normal operation, the

whole facility is locked to a master clock

source to ensure complete synchronicity.

In Summary

From HD video production to lm

dubbing, from evaluating the latest

processing plug-in to training the basics

of mixing console operation, SSL’s PDA

is now equipped for a huge variety of

production tasks for today and into the

future. Along the way, facility power

consumption has reduced enough to

eliminate the need for two signicant

AC systems and more space liberated

for future expansion. The combination

of CAT5e, Fibre MADI, Adder KVM

technology and SSL MORSE routing have

brought a new era to the development

of SSL’s products and services.

KVM & AV EXTENSION

TECHNOLOGY

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