European debut at IBC 2019

VP2 – Virtualised mixing system
On show for the first time at IBC is Calrec’s VP2 virtualised mixing system. VP2 has no physical control surface and utilises Calrec’s Assist software for setup and control. VP2’s 4U core comes in three DSP sizes; 128, 180 and 240 input channels and incorporates Calrec’s powerful Hydra2 networking solution. Calrec Serial Control Protocol (CSCP) can allow the audio console to be completely controlled by an automation system.

VP2 enables the station to reap many of the benefits of using a Calrec console, but without a physical control surface. Control and setup is via Calrec’s Assist software, which can be accessed from multiple locations via a web-browser. The technical director/operator can be given basic control functions whereas an engineer can delve deeper to fine tune the setup or recall different setups as needed.

Also on Show

ImPulse core – audio processing and routing engine
Calrec’s ImPulse core is a powerful audio processing and routing engine with AES67 and SMPTE 2110 connectivity. The ImPulse core is compatible with current Apollo and Artemis control surfaces, providing a simple upgrade path for existing Calrec customers. In addition, future scalable expansion will allow up to four DSP mix engines and control systems to run independently on a single core at the same time, providing the ability to use multiple large-format mixers simultaneously in an extremely cost-effective and compact footprint.

ImPulse provides 3D immersive path widths and panning for next generation audio applications, and has an integral AoIP router, which fully supports NMOS discovery and connection management, as well as mDNS/Ravenna discovery.

IP Gateway Products
Calrec will also have on hand its H2-IP Gateway and the AoIP Modular I/O controller card. Both products are SMPTE 2110/AES67-compatible and expand the range of AoIP solutions Calrec now offers.

The H2-IP Gateway provides an interface between a Hydra2 network and an AoIP network. It also awards an extra control level that allows audio labels to be passed in both directions between the two networks along with control data. This gives Hydra2 users the ability to control gain of Calrec AoIP mic inputs, and AoIP users can control gain of Hydra2 mic inputs.

The 1U gateway can pass either 256 or 512 channels of audio in each direction and multiple gateways can be used to increase capacity or to connect with multiple networks. For full hardware redundancy additional units can be deployed as backups.


Complimenting Calrec’s range of broadcast solutions are the powerful Assist and Connect applications. As the industry embraces new standards and workflows, Calrec has expanded its suite of applications to give broadcasters more efficient tools.

Calrec’s Assist is a browser-based interface that allows users to set up shows, memories, fader layouts, patching, bus setup, labelling, input and output levels, input channel parameters (including mic gains), routing and more, without needing to be in front of the console.

Assist is the interface for controlling Calrec’s VP2 and Type R virtual consoles, and for setup and local control of Calrec’s Remote Production, RP1. Virtual operations enable stations to reap the benefits of Calrec consoles without a physical control surface.

Assist can be accessed from multiple locations via a web-browser and different access levels can be granted to different users; an operator can be given basic control functions whereas an engineer can delve deeper to fine tune the setup or recall different setups as needed.

As the industry continues to unlock the benefits of IP infrastructures, Calrec’s Connect application is a user-friendly stream manager that manages the discovery and connection of IP streams. Connect turns complex IT infrastructure planning into a simple interface; connection discovery is automatic, meaning complex networks can be quickly built and managed with little IT knowledge.

Calrec’s browser-based Connect app can be accessed anywhere and includes built-in broadcast features like input controls, network diagnostics, GPIO-style logic connections and make, break and change stream connections. Crucially, unlike many other stream managers, it recognises all accepted registration/discovery protocols including NMOS IS-04 and IS-05 to provide in-depth configuration in a simple way across the whole facility.

Both apps join a range of products that reflect broadcasters’ evolving requirements. As viewers change how they consume content, broadcasters are adopting new workflows to help them engage and retain more viewers. Calrec is helping its customers through virtual, remote and IP production models, radio, and a range of IP-enabled consoles from the flexible Type R console to the powerful Apollo.

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