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April 2013 l 57
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AVnu Alliance for formal approval and the provision of the certification logo to be used on the product itself and any related marketing,” he said. UNH-IOL is currently working towards a two-week cycle from
submission to certification once all testing processes have been automated. Explaining the extensive nature of the testing process, Noseworthy added: “It might be reasonably straightforward for us to take
“There are enough people who are interested in the AVB standard that it’s reached critical mass” Patrick Warrington, Calrec
SYSTEMS INTEGRATOR China-Tech Engineering Co worked around the hectic schedule of the Hong Kong Convention and Exhibition Centre (HKCEC) when it was selected to install a new DSP system at the multipurpose venue recently. Biamp Systems’ AVB-capable
China-Tech’s spec brings AVB power to the HK Exhibition Centre
Tesira SERVER-IO media system, rack-mounted in the main control room behind the conventional hall, is at the core of China-Tech’s solution. Twelve I/O cards in the SERVIO-IO allow for up to 48 channels of audio input and output such as microphone and line levels, VoIP and telephone interface. Meanwhile, 10 SIC-4 and two
three products today and confirm that they all work together – and that may even ensure that the standards are not substantially broken. But the testing is only as good as the devices it’s linked and validated with, and for that reason the programme needs to focus firmly on future conformance and interoperability, including between products that haven’t been developed yet.”
FIFTY MEMBERS... AND COUNTING The recent addition of multiple new members to the AVnu Alliance is perhaps the most
HKCEC ENLISTS BIAMP TESIRA FOR DSP, AVB CAPABILITY
SOC-4 cards provide audio channels that include +48V phantom power, mute, level and signal invert and full-scale output reference. Employing AVB to carry media streams over Ethernet networks via a Netgear GS724 AVB switch, the installation future-proofs HKCEC by incorporating provision for up to 420 x 420 digital audio channels. “With 256 channels and the 420 x 420 channels that Tesira provides, it will be more than enough for the needs of our client over the years to come,” says Roy Lo, China-Tech Engineering Co. Dovetailing neatly with a large contingent of existing
salient illustration of the AVB project’s current momentum. The organisation’s 50th member was announced during ISE; based in Palo Alta, California, Symphony Teleca Corporation (STC) helps customers to manage the convergence of software, the Cloud and connected devices. Since ISE, broadcast console
manufacturer Calrec has also climbed aboard. Technical director Patrick Warrington tells PSNEurope that the AVB standard “has now reached a level of maturity which makes it possible for Calrec to start
Bob Noseworthy, UNH-IOL
developing practical solutions for the broadcast market sector which work reliably and [consistently]. There are significant participants in the AVnu Alliance, and enough people who are interested in the AVB standard that it’s reached
750-seat Grand Hall in the Lee Shau Kee Lecture Centre
equipment, including Electro- Voice CPS amplifiers, the installation also makes use of Biamp’s AmbientSense technology in conjunction with multiple sensing microphones
to increase or decrease the volume of the music and paging in the lobby as required.
[Based on an original case study by R Lawn/Pro Audio Asia]
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Photos : Richard Lawn/Pro Audio Asia t
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