ARG Quarra Switches Selected for Media Networking Alliance Interop Demos

ARG, designer and manufacturer of quality secure network tools and critical data transmission switches for the audio market, has announced its Quarra PTP Smart Switches have been selected for the Media Networking Alliance (MNA) series of forthcoming interop demos to be held at ISE in Amsterdam in February plus NAB, INFOCOM, IBC and AES in New York later this year. ARGs technology will interconnect equipment from more than 12 other vendors using four Audio-over-IP protocols: RAVENNA, Dante, Livewire+ and QSC.

The objective of the Interop demonstrations is to test and show audio networking across different protocols, in order to provide end users with the confidence and flexibility to work with different vendors equipment, explains Neil MacTaggart, commercial director, A.R.G ElectroDesign Ltd. To put it simply, broadcasters and audio studios need to move signals locally between microphone, mixing desk to speakers, or from one location to another over mixed media IP networks. However, if the signal paths use different protocols that do not all work or synchronise together, audible artefacts due to variable timing and latency will be apparent.

Because we can hear sub-millisecond differences in audio timing, latency and accurate sync are even greater issues when it comes to audio signals, than they are with video, confirms MacTaggart. This is where ARGs Quarra PTP Smart switches come in: they guarantee the most accurate sync and minimum latency.

This is achieved by supporting PTP synchronization across AES67 networks to nanosecond accuracy, continues MacTaggart. Our Quarra switches provide a direct path for PTP timing data which bypasses data queues that would otherwise delay sync packets; which require the highest priority despite high network activity. In this way, we can distribute hundreds of accurately timed audio channels. Our PTP Smart switches have been described as the Audio-over-IP equivalent to the independent distribution of audio system clocks employed in all professional audio and broadcast systems.

For more than 40 years, ARG has been at the forefront of broadcast and telecommunications equipment design and manufacturing. ARGs Quarra PTP Smart Switches have been developed over five-six years in the companys R&D and testing facility in Cirencester, UK. Broadcasters across the globe now trust ARG for secure, accurate and timely distribution. With applications for defence, finance, IT and manufacturing sectors, ARGs latest IP products continue the Companys tradition of performance and reliability. ARGs clients include Mix Bus, Freiburg University and Krone Hit.

For further information please see www.arg.global

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