• ImPulse is a powerful audio processing and routing engine with AES67 and SMPTE 2110 connectivity and support for NMOS discovery and connection management. It is compatible with existing Apollo and Artemis control surfaces to provide a simple upgrade path for existing Calrec customers as they transfer to IP infrastructures.

    With Blu3fin built-in, ImPulse has the most powerful DSP engine available and can switch between five different user-upgradable DSP packs. Future expansion will allow up to four DSP mix engines and control systems to run independently on a single core at the same time.

    ImPulse provides 3D immersive path widths and panning for next-generation audio applications. Height and 3D pan controls, flexible panning and downmixing are built-in.

    • Contains next generation “Blu3fin” DSP
    • Contains internal AoIP Router
    • Up to 4 router cards can be fitted, each with a 4096×4096 audio channel routing capacity
    • Router cards can operate in 1 or 10Gbps mode
    • High bandwidth utilisation
    • Full hardware redundancy
    • Redundant pairs of cores can be physically remote from each other
    • Supports “Headless” operation – no surface required
    • Calrec Assist web-UI control
    • Supports 3rd party remote controllers such as video switchers for audio-follows-video, and production automation systems
    • SW-P-08 remote control over router cross-point switching

    Immersive Audio

    • Supports 3D “Immersive” path widths for next-generation audio
    • Immersive paths have additional “height” legs to produce a 3D soundfield
    • Monitoring and metering provided for mono, Stereo, 5.1, 5.1.2, 5.1.4, 7.1, 7.1.2, 7.1.4 Input Channels, Groups and Main paths
    • Additional Main and Group capacity allows immersive content to be produced without forcing a reduction in the number of surround buses that can be allocated

    IP Functionality

    • All audio I/O is AES67 and SMPTE ST-2110 compliant
    • Has built-in support for NMOS discovery and connection management (IS-04 v1.3 and IS-05: v1.1)
    • Has support for mDNS/Ravenna discovery
    • Each AoIP stream can pass between 1 to 80 audio channels
    • Surface connectivity is via IP, so surfaces can be physically remote, connected over COTS networks
  • Impulse

FREE AoIP Training with Calrec Sound Institute

Our certified series of comprehensive AoIP training sessions covers everything a broadcast facility needs to know about IP, how it works and the effect it is having on our industry.


How can we help?

  • By sending this message you agree to your details being kept in accordance with our Privacy Policy.
  • This field is for validation purposes and should be left unchanged.


IBC Cancelled: Although we can't meet in person, we can still have a chat

IBC 2021 Cancelled: Calrec’s 7 Key Focuses

IBC 2021 Cancelled: Although we can't meet in person, we can still have a chat....

Continue reading

Calrec ImPulse IP core

ImPulse AoIP processing and routing engine Q&A

What is ImPulse and how can it help you embrace IP? Pete Walker, Senior Product...

Continue reading

Why Impulse

Immersive audio for delivery over platforms like MPEG-H and Dolby Atmos, along with OTT content,...

Continue reading

Calrec Debuts New ImPulse Core in the Big Apple

Calrec’s new ImPulse core, the next generation audio processing platform for its Apollo and Artemis...

Continue reading

Do it on Impulse

At IBC 2018, Calrec previewed its new Impulse core, the next generation audio processing platform.

Continue reading