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Saturday, July 20, 2024

Calrec Debuts ImPulse1 IP Audio Processing and Routing Engine

Making its IBC debut this year (Stand 8.D60) is Calrec’s ImPulse1 IP audio processing and routing engine. It’s designed as a powerful and cost-effective ST2110 solution for single console scenarios, joining the multi-console, industry-established ImPulse. Announced earlier this year, ImPulse1 is a compact 1U solution with an optional second core for redundancy and a new, 128 input channel DSP pack offering entry-level pricing.

With the introduction of ImPulse1, Calrec is offering a range of options to suit any size installation. It works with Argo Q and Argo S control surfaces, and/or Calrec Assist, a browser-based GUI, ideally suited to remote working, multi operator and/or headless operation. Cores with smaller DSP licenses can be offered without hardware redundancy. ImPulse1 is designed for small to medium single mixer applications and is offered with an all-new DSP license of 128 input channels without compromising its ST2110 capability. With a small overall form-factor, it’s immediately attractive for compact installation sites, such as outside broadcast and fly pack applications, where space is at a premium. Furthermore, it doesn’t compromise on features and DSP power; it has DSP options ranging from 128 to 384 input channels and benefits from the DSP features from the larger ImPulse core.

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Calrec’s Argo audio mixing control platform, which won NAB Product of the Year in 2023, is returning to IBC with both the Argo Q and Argo S. Calrec’s Argo is a new approach to audio mixing, with a flexible control philosophy that breaks the traditional geographic tie lines between processing and control.

Argo is fully modular with interchangeable hardware panels and uses Calrec’s time-served Assist UI at its core. This means that whether you are working on physical hardware panels or on a remote GUI, the user interface is both familiar and easy to drive. Its modular panel system encourages broadcasters to adapt surface hardware to meet their unique requirements, ensuring a richer user experience, helping operators move around the surface faster, and it means the desk can easily be split for sub mixing or mixing in other locations. Argo comes in two sizes with two mid-level rows of interchangeable panels on the larger Argo Q model, and one mid-level row on the compact Argo S model. With an expanded version of ImPulse at its core, Argo customers benefit from thousands of DSP paths, providing a futureproof solution.

Calrec has also introduced a comprehensive system of user templates to instantly change the hardware user interface to meet changing requirements and user preferences. Argo’s physical control surface is also more streamlined, using optically bonded touchscreens to provide unrivalled visual feedback, making it easy to find what you need, while being familiar to existing users.


ImPulse is the most powerful DSP engine on the planet and has native SMPTE 2110 connectivity, allowing up to four large consoles on one core. It’s compatible with the Calrec Assist web interface as well as Calrec’s Apollo and Artemis consoles to provide a simple upgrade path for existing Calrec customers moving to an IP domain. It provides 3D immersive path widths and panning for next-generation audio with height and 3D pan controls, flexible panning and downmixing built-in.

RP1 Remote Production

Calrec’s 2U RP1 remote production unit takes users’ favourite Calrec console anywhere in the world without ever leaving the studio. A remotely controlled processing engine like RP1 means control rooms can be used to mix feeds from multiple remote venues. Remote production models produce more live coverage with minimal resources.

Many networks around the world have been successfully using this REMI/at home production model producing the largest sporting events – in fact Calrec has more experience in REMI/at-home production models than any other audio console manufacturer.

Since July 2023, an extended DSP license has been offered as an optional upgrade path for existing RP1 customers and optional with new units. This will increase the number of virtual control faders to 72 and the DSP to:

  • 96 mono equivalent channel paths
  • 24 Aux send paths
  • 96 Direct outputs


Brio is a plug-and-play broadcast console which slots into any broadcast workflow, is easy to operate and has comprehensive built-in I/O. It is loaded with dynamics and delay on every path, has a huge internal router, multiple monitor outputs and is expandable for future growth. Calrec’s Brio 36 Duet comes with internal Hydra2 connectivity, comprehensive built-in IO and 96 input processing paths as standard. The Brio 36 Medley package includes everything on a Brio Duet plus a Dante 64 card or MADI I/O module, and an external Br.IO box with 24 mic/line inputs, 16 analogue outputs and 8 AES I/O.

Type R for TV and Radio

Calrec’s Type R is a modular, expandable IP mixing system that comes in two forms: Type R for TV and Type R for Radio.

Type R for TV is designed to allow customers to take advantage of distributed production and flexible workflows with up to three independent mixers able to hang off one system core. Its three hardware and soft panels can create a variety of system types. It ties in with Calrec’s Assist for mixing in the cloud and integrates with station automation systems like Ross Overdrive, Sony ELC and Grass Valley Ignite.

Type R for Radio is a modular, expandable, IP-based radio system from Calrec Audio. It utilises standard networking hardware and soft panels that can be tailored to operator needs.

It has a simple 2U core with integrated I/O resources. Whether used as an independent studio console, microphone processor or utility mixing console, Type R’s AES67 compatible network provides all the flexibility customers will ever need.


Calrec’s Artemis console is designed for live and broadcast applications, and it features a large number of inputs and outputs as well as advanced routing and processing capabilities. Artemis is suitable wherever you are in your IP journey. Calrec’s range of options means it can sit on an IP network with Calrec’s ImPulse IP core to provide a simple upgrade path for existing Calrec customers moving to an IP domain, or on a proprietary network with Hydra2, or a combination of the two using Gateway.


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