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QSC Dominates World Class Convention Centre in Bangalore

Based in Bangalore, India, Infosys Technologies Ltd is one of the world's leading, and most respected software technology companies.

Infosys has a reputation for choosing the best - whether in terms of products, technology or service. Chief mentor (and one of the founders), N. R. Narayana Murthy remains passionate in his quest to match and exceed the standards set by many world class organisations in their chosen fields of expertise.

With this in mind he decided to build a world class convention centre on the Infosys campus in Bangalore, which would also be capable of hosting live dance and music events (including a 60-piece symphony orchestra), theatre and international conferences. The ability to telecast and webcast these events live to all their campuses and offices worldwide was a further pre-requisite.

In addition to live performances, the 1,400-seater auditorium also had to be able to play back movies on a giant screen in both the latest 2K digital format as well as in regular 35mm, with 7.1 digital sound.

MRH Digital Systems Pvt. Ltd. were among the companies who responded to this exacting brief, proposing a combination of mission-critical QSC Audio SR and networking solutions as part of an entire multimedia integration.

The decision to back the MRH proposal was based on the fact that in addition to their expertise in audio and video integration, they would be offering world class products that could be supported locally from Bangalore.

"The entire process was transparent and each and every vendor was evaluated clinically," said MRH Digital Systems' Poncho Gopinadhan. "However, the most important reason for MRH to bag this order was the fact that Infosys was very happy with the positive meaner in which we conducted the whole negotiation and they instinctively felt that they could trust us to deliver!"

MRH was alone in proposing that the customer opt for two independent solutions for the Cinema and PA requirements. "We advised that one very noticeable fact would be that the speech of the actors in a film would appear to be coming from elsewhere rather from the mouth of the actor [from a conventional PA system]. All other competitors advocated one solution for both the requirements.

QSC components comfortably fulfilled both remits operating as two stand-alone systems."

Working alongside consultant Jal Mistry and chief architect Hafeez Mistry, MRH Digital Systems proposed a QSC's flown ILA line array system, driven by PowerLight amps, as being best able to handle a range of concerts - from Indian classical to hard rock - and theatre events where speech intelligibility was vital.

The system design was masterminded by QSC Audio's product application specialist, Santiago Alcalá. Two sets of amplifiers were required - one for the FOH speakers and one for the delay system to the balcony. Instead of traditional balanced wiring between the two racks MRH Digital opted for a CobraNet system. "Also, by harnessing the power of the QSContol.net networked audio platform we had complete supervision of the system," said Poncho.

QSContol.net was provided for room EQ via a wireless network, allowing the in-house or visiting sound engineers to walk around the venue with seamless control over the complete system. In addition, the installers provided a selection of unobtrusive NAC-100 local controllers, installed on the network to allow presets, room modes etc to be flipped through.

Finally, for constant system monitoring MRH Digital also installed a fixed computer on the network, using QSCreator to develop an error reporting GUI - enabling levels, faults, amp temp, loads, etc to be close-monitored.

For the FOH PA system, two hangs of the eight WL2082-I are complemented by four WL115-sw subwoofers flown behind. For additional bass reinforcement two WL218-sw enclosures have been flown in the centre, while up at balcony level MRH Digital have deployed a further two hangs of four WL2082-I.

The system is driven in 4-way configuration, with PowerLight PL325 amplification used for the highs, PL340 for the mids and lows and PL380 for the subs.

Processing and monitoring for the complete system takes place in the two QSC Basis devices, and via QSControl.Net. Completing the PA configuration are powered HPR 122i's, which are used as floor monitors and fit well into venues such as this due to their versatility.

Turning the to the dedicated cinema system MRH Digital MRH were convinced that QSC's SC-434 four-way, screen channel loudspeaker system would be the best solution, since the technology represents the latest from QSC's DCS range. This features the latest co axial technology which ensures a much smoother response and better imaging of the HF frequencies. "Due to its design - which does away with multiple horns - there is no cancellation of frequencies resulting in better intelligibility," says Poncho.

It also helped that MRH had already installed the 4-way speaker cinema systems in other cinemas and hence Infosys had actually experienced the rich quality of the speaker, enabling them to endorse the decision (along with the acoustic consultant).

Three QSC SC-434 systems were specified and three QSC SB 7218 dual sub-woofers, along with no fewer than 52 QSC SR 110B surround speakers, which are used around the auditorium.

Powering the three stage speaker systems and rear surrounds in the balcony and lower stall are eight DCA 3422 dual-channel cinema amplifiers, while a pair of DCA 3022 dual-channel amplifiers run the left and right surround speakers in the lower stall. Finally, five DCA 2422 dual channel amplifiers power the left and right surround speakers in the balcony and the three sub woofers, while a QSC DCM 30D takes care of the digital crossover and booth monitor functions.

The sale was co-ordinated by Sriram Sistla, MRH Digital's business head south, who also designed the cinema element of the system. He confirms that the customer is delighted with the quality of the installation, the MHR support and of course the QSC sound reinforcement.

"Infosys is an extremely important customer for us and this installation will provide a vital platform for building future business of this nature, and on this scale," believes Poncho.

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QSC Dominates World Class Convention Centre in Bangalore

17th July 2009

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