Real-Time Audio with Multicast in the Cloud

Leverage cloudSwXtch to unlock critical audio workflows - from intercom to full ST 2110-30 audio mixing. Bring your broadcast audio applications to the cloud, powered by multicast, PTP time sync, and ST 2110 support.

Capabilities Teams Are Used to On-Prem

Low Latency

Near real-time audio delivery with minimal delay, critical for live production environments.

PTP Time Sync

Extends on-premise time sources to the cloud.

Standards-compliant Interoperability.

Supports AES67 and ST 2010-30 standards-based audio platforms.

ST 2010-30 and NMOS Compatibility

Native 2110 creation and mixing from the cloud.

High reliability

Consistent audio delivery with robust infrastructure.

Standard NCIs

No proprietary hardware.

cloudSwXtch Value Delivered

Use-Cases

Audio Intercom

Build cloud-native or hybrid intercom systems that run on AWS, Azure, or on-prem - without sacrificing real-time performance or multicast reliability.

Intercom Architecture

ST 2110-30 Audio Mixing

Deploy scalable, standards-based and full-featured ST 2110-30 audio mixing in the cloud, with NMOS and ST 2022-7 redundancy on standard NICs.

Audio Mixing Architecture

Audio Workflow Partners

Why It Matters

Mission-critical audio workflows, like intercom and ST 2110-30 mixing, have been blocked from the cloud due to multicast, PTP, and timing limitations.

swXtch.io unblocks these with full-featured ST 2110-30 audio support, NMOS compatibility, and software-based PTP options.

Empowering Audio Workflows in the Cloud

Many leading audio communications vendors leverage cloudSwXtch to migrate intercom and other audio applications to the cloud, maintaining real-time performance. By bridging the multicast gap, cloudSwXtch ensures that audio applications remain agile, secure, and cost-efficient in modern cloud architectures.

Example Audio Intercom Architecture

Intercom clients are distributed globally in venues, outside broadcasting (OB) trucks, and studios.

IP intercom belt packs connect to the Cloud through a virtual intercom platform and cloudSwXtch.

To transmit and receive audio over multicast in a hybrid environment, cloudSwXtch Bridge is used to enable multicast joins and leaves between connected nodes.

Signals are transmitted & received between on-prem locations and the cloud.

Completed using an interprise internet connection or public internet.

In the cloud, audio feeds are switched to the nodes using standards-based IGMPv2 join requests using cloudSwXtch.

cloudSwXtch is the router appliance that runs on VM instances enabling multicast network overlay. cloudSwXtch also manages the deployment and communication with the xNICs that are integrated into the applications running on VM instances.

Multicast transport is facilitated between VM instances on the swXtch network using xNICs are software agents.

Applications running on VM instances are able to send and receive multicast streams through the xNIC, regardless of where the senders or receivers are located.

Latency from the venues to the VM instance is around 150 milliseconds (ms). Additionally, cloudSwXtch implements hitless packet merge (SMPTE 2022-7) with the virtual intercom nodes.

Example Audio Mixing Architecture with On-Hertz

On-prem Timing and Audio are transports to the cloud.

groundSwXtch receives and transmits ST 2110-30 expanding on-prem broadcast network into the cloud.

Signals are transmitted and fanned out to all components of the overlay network.

cloudSwXtch provides packet protection for all flows traversing the network to/from groundSwXtch.

Precise timing keeps the timing in sync.

Timebeat synchronizes to the grandmaster on-prem and with their PTP Squared algorithm generates an intelligent clock sync domain for each component in the swXtch.io overlay network

Seamless Audio Mixing enabled by multicast and clock synchronization.

Audio processing running on the VM instances can seamlessly produce/ consumer ST 2110-30 through the xNIC.

Real world impact

Live Sports Broadcasting: Stream high-quality audio to global audiences with minimal latency for real-time commentary and effects.
Radio Production: Support remote production teams with reliable, low-latency audio feeds in the cloud.
News Production: Facilitate real-time audio workflows for breaking news and live reports across multiple locations.
Corporate Events: Enable seamless audio for virtual or hybrid events, ensuring clear communication across distributed teams.
Live Music Events: Deliver immersive audio experiences for virtual concerts with scalable cloud solutions.