NETWORK OF TWO HUNDRED AND ELEVEN D&B BOXES AT HOGMANAY – EDINBURGH 

Edinburgh’s majestic Castle and medieval Old Town offered a magnificent backdrop to Edinburgh’s Hogmanay celebration for thousands of revellers who welcomed the new year immersed in a city centre-wide d&b installation.
In collaboration with the Sound Designer Dan Jones, Catalyst Event Production Services were tasked with specifying, installing and operating a sound solution that would envelope the partygoers, leading them to a complete d&b audiotechnik loudspeaker, amplification and R1 control software solution.
Huge Celebration
UK-based live entertainment company Underbelly, which has produced the event on behalf of the City of Edinburgh Council since 2017, bills Edinburgh’s Hogmanay as “one of the biggest celebrations in the world”.
The world-famous Street Party showcased Scottish and European musicians, street theatre artists, dancers, choirs and aerialists, while the midnight firework display was set to a specially-commissioned track by German band Meute. 
Outdoor Arenas
The team split the designated party areas of the city into four ‘arenas’. Within each of these PA towers were constructed, spaced at 20m intervals. In total, twenty two towers were built, each carrying arrays of d&b loudspeakers consisting of two Y8, one Y12 and a Y-SUB, along with two Y10P for near fill.
There were further systems deployed on ‘The Mound’, where six towers were erected. Each tower consisted of arrays of three T10, one Q-SUB and two T10 near fill. An additional system made up of eight Y8 and two Y-SUBs provided further fill coverage. Amplification was provided by twenty four D80, thirteen D20 and four D12s.
A 3D Experience
With the addition of PA for safety announcements, the installation used a total of two hundred and eleven d&b cabinets, utilising d&b Y, T, Q, and C series. The system was designed to give a 3D experience along the street, immersing partygoers in the soundtrack of the night – including the specially commissioned 5.1 surround track for the ‘midnight moment’. Catalyst also provided PA for two of the larger stages utilising V and J-Series cabinets.  
Underbelly’s Head of Production, David Watson, comments: “Catalyst were an obvious choice. They are able to adapt and respond to whatever challenges the job brings. Scale doesn’t concern them and their detailed, technical approach, coupled with a can-do attitude, delivers quality on site.” 
Catalyst have worked with Underbelly for more than a decade now, under the account management of Director Ronnie MacLennan.
“The contracts we work on for Underbelly are always unpredictable,” says MacLennan. “Their scale and unique challenges makes working with Underbelly fun and hugely rewarding. Underbelly have a great technical knowledge and shared in our view that d&b would be the ideal solution for this project. The quality and versatility of the cabinets are second to none.”
Catalyst’s Technical Project Manager, Mike Wright, continues: “Our brief was to provide support for the client’s wish to create an immersive experience on the street. Physical barriers, such as buildings and trams, made creating true ‘surround sound’ difficult, so we needed a clever solution.

Sonic ‘Movement’
“Each tower received a discrete audio channel from Left, Left Centre, Centre, Right Centre and Right and there was also a discrete sub channel per arena. This allowed the FOH engineer to ‘steer’ both live and recorded content to create the effect of movement.” 
The complexity of the system required the routing of forty six discrete mixes from FOH as well as twenty channels of zoned safety announcements. The safety channels utilised the override function of the amplifiers, allowing Event Control to make crowd safety and general announcements when necessary. 
ArrayCalc
All systems were designed using d&b ArrayCalc and managed using the d&b R1 Remote control software, giving complete control and monitoring of all amplifiers where network was present. 
Project Manager Andy Kidd and Systems Tech Sam O’Neill built the R1 file for the Hogmanay events in-house, with assistance from Oran Burns from the d&b GB Education and Application Support Team.
“It is a sizeable task to programme one massive control file for the whole system for set up and monitoring purposes in a project this massive,” says Burns. “This year I assisted Catalyst on some R1 V3 software specifics to ensure they could utilise the power of R1 to help achieve the ambitious control they required on the night.”
Wright continues: “This year, our R1 file controlled a total of thirty five amplifiers along 1.4km of street. Signal is distributed on a Riedel MediorNet fibre system, utilising more than 10km of fibre supplied by Underbelly. We used Riedel RockNet for local distribution and over 1.5km of Socapex cabling.
“A tablet was used via a remote desktop app and 4G to allow system tweaks to take place on the street, as sites were up to 1.5 km from the control area. The flexibility of the d&b loudspeakers across the range allowed us to choose the right cabinets for the job, whilst utilising our own rental stock to the maximum.
“The response from the Sound Designer, our client, and the audience has been overwhelmingly positive,” says Wright. “We are very happy that lessons learnt from last year and the changes we implemented to the design resulted in an improved listener experience. Watching 60,000+ people dancing along 1km of street to a system realised by Catalyst was feedback enough.”