Turn one vMix output into a stable live workflow.

vMix is live video production and live streaming software for Windows. It works like a software video switcher: you can add cameras, video files, audio, graphics, remote guests, NDI sources, SRT streams, and other inputs, then mix them into a live program output.

In simple terms, vMix lets one production computer do many jobs that used to require separate hardware: video switching, audio mixing, titles, recording, live streaming, replay, external outputs, and remote contribution.

Callaba does not replace vMix. Callaba adds the cloud and transport layer around it: SRT ingest, stream routing, browser playback, recording, restreaming, monitoring, and API control.

What is vMix?

vMix is a live production tool used to create, mix, record, and stream video from a Windows PC or laptop.

A typical vMix production includes:

• camera inputs
• screen captures
• video files
• audio sources
• titles and graphics
• remote guests
• NDI sources
• SRT inputs and outputs
• replay and recording workflows
• live streaming outputs

The main idea is simple: vMix is where the live show is built. Operators use it to choose what goes on air, mix sound, add graphics, switch between sources, record the program, and send the final output to another system or platform.

What is vMix used for?

vMix is used for live productions where the team needs more control than a basic webcam or meeting tool can provide.

Common use cases include:

• live events
• sports production
• church broadcasting
• webinars
• conferences
• remote interviews
• online shows
• education streams
• corporate broadcasts
• hybrid events
• multi-camera production

Teams choose vMix when they need a real production surface: multiple inputs, switching, audio control, titles, overlays, recording, and streaming from one system.

How vMix works

A vMix workflow usually has three parts: inputs, production, and outputs.

1. Inputs

Inputs are the sources you bring into vMix. These can be cameras, video files, microphones, screen captures, NDI feeds, SRT streams, remote calls, graphics, or other media sources.

2. Production

Inside vMix, the operator switches between sources, mixes audio, adds graphics, controls titles, creates picture-in-picture layouts, manages guests, and prepares the final program output.

3. Outputs

The final output can be recorded, streamed, sent to external displays, sent over NDI, sent over SRT, or forwarded into another streaming workflow.

A simple workflow looks like this:

cameras and media sources → vMix production → recording / SRT / RTMP / NDI / external output

vMix vs hardware video switcher

A hardware video switcher is a physical device used to switch between video inputs. vMix does a similar job in software.

The advantage of vMix is flexibility. You can add local cameras, remote sources, video files, graphics, NDI, SRT, audio inputs, and streaming outputs in one software environment.

The tradeoff is that vMix depends on the computer, GPU, CPU, storage, network, and operating system. For serious events, the production machine must be tested like real broadcast equipment.

vMix vs OBS

OBS is a popular free tool for streaming and recording. vMix is more production-focused and is often used when teams need advanced live workflows.

vMix is usually a better fit when you need:

• multi-camera production
• advanced audio routing
• instant replay
• more controlled external outputs
• built-in production features
• professional event operation
• SRT and NDI workflows inside a larger production setup

OBS can be enough for simple streams. vMix is often chosen when the production itself becomes more complex.

vMix vs Zoom or meeting tools

vMix is not just a meeting app. Zoom, Google Meet, and similar tools are built for meetings and calls. vMix is built for production.

That means vMix gives the operator more control over:

• camera switching
• graphics
• audio routing
• scene layout
• recording
• external outputs
• streaming destinations
• remote guest handling

In many workflows, meeting tools can be one source inside a production. vMix is the place where the full live show is assembled.

What protocols does vMix work with?

vMix can be used in many video workflows because it supports common live production inputs and outputs, including NDI and SRT.

Important workflow types include:

• NDI: useful for local IP production inside a controlled LAN or studio network.
• SRT: useful for live contribution over public internet, remote sites, and unstable networks.
• RTMP / RTMPS: useful for publishing to platforms and social destinations.
• Recording: useful for archive, replay, post-production, and later delivery.
• External outputs: useful for screens, monitors, routing, and production hardware.

The important point is that vMix is the production tool. The protocol you choose depends on where the signal needs to go next.

Where Callaba fits with vMix

Callaba is useful when vMix needs a controlled cloud layer around the production workflow.

vMix can create the live program. Callaba can receive that program, monitor it, record it, route it, restream it, or turn it into browser playback.

A common workflow looks like this:

vMix → SRT → Callaba → recording / restreaming / browser playback / routing

This is useful when you want to keep vMix as the live production tool but avoid building every transport, routing, and playback piece manually.

What Callaba gives vMix teams

If your team already uses vMix, Callaba can add the operational layer around it.

• SRT ingest: receive a vMix output in the cloud.
• Stream routing: send one vMix feed to multiple workflows.
• Restreaming: send the same output to Twitch, YouTube, Facebook, or other destinations.
• Browser playback: turn production-side video into a viewer-facing stream.
• Recording: record the live feed while the stream is running.
• Monitoring: check bitrate, RTT, connection state, and stream health.
• API control: automate repeatable live workflows.

The goal is not to make vMix less important. The goal is to make the full workflow around vMix easier to run.

Common vMix and Callaba workflows

vMix to Callaba over SRT

vMix sends the program output to Callaba over SRT. Callaba receives the stream, monitors it, and makes it available for recording, restreaming, playback, or routing.

Guide: Sending and receiving SRT stream via vMix

Remote phone camera into vMix

A phone sends SRT from Larix to Callaba. vMix receives the stream from Callaba as an SRT input. This lets a mobile phone work as a remote camera in a vMix production.

Guide: Mobile SRT to vMix with Larix

One vMix output to many destinations

vMix sends one clean program output to Callaba. Callaba then handles downstream outputs such as social platforms, browser playback, recording, and routing.

vMix output to browser playback

vMix is not the final viewer platform. Callaba can receive the production feed and create a viewer-facing playback workflow for web pages, embeds, or controlled access.

vMix recording and archive

Callaba can record the incoming vMix feed while the live workflow is running. This is useful for archive, review, post-production, compliance, or later publishing.

When vMix alone may not be enough

vMix is strong as a production tool, but many teams need more than local production.

You may need another layer when you need:

• cloud ingest from remote sources
• multi-destination delivery
• browser playback
• centralized recording
• stream monitoring outside the vMix machine
• API control
• routing between regions or servers
• a cleaner handoff between production and distribution

This is where Callaba fits. vMix handles the show. Callaba handles the transport and workflow layer around the show.

Common mistakes in vMix workflows

• Treating contribution and playback as the same problem: SRT may be good for ingest, but viewers usually need HLS, WebRTC, or another playback workflow.
• Sending one output everywhere manually: one vMix output can quickly become many downstream tasks.
• Not monitoring transport health: bitrate, RTT, packet loss, and retransmissions matter before the stream fails.
• Using too high a bitrate: the output may look good locally but fail on the network path.
• Forgetting recording: archive capture should be part of the workflow before the event starts.
• Making vMix the public ingest boundary: for remote sources, a cloud SRT ingest point is often cleaner and safer.

Who should use vMix?

vMix is a strong fit for teams that need a flexible live production tool on Windows.

It is especially useful for:

• event producers
• broadcast engineers
• church media teams
• sports production teams
• corporate video teams
• remote production teams
• education and webinar teams
• small studios that need software-based production

If the job is just a simple webcam stream, vMix may be more than you need. If the job involves multiple sources, switching, routing, graphics, recording, and live outputs, vMix becomes much more useful.

FAQ

What is vMix?

vMix is live video production and live streaming software for Windows. It lets you mix cameras, video files, audio, graphics, remote guests, NDI, SRT, and other sources into a live program output.

What is vMix used for?

vMix is used for live events, webinars, church broadcasts, sports production, remote interviews, online shows, corporate broadcasts, recording, and multi-camera live streaming.

Is vMix a video switcher?

Yes. vMix can work as a software video switcher. It lets you switch between video sources, add graphics, mix audio, record the output, and stream the final program.

Is vMix only for streaming?

No. vMix is used for live production, recording, switching, audio mixing, replay, external outputs, NDI, SRT, and streaming. Streaming is only one part of the workflow.

Does vMix support SRT?

Yes. vMix supports SRT workflows. You can send SRT from vMix to a server, and you can also receive SRT streams as inputs.

Does vMix support NDI?

Yes. vMix supports NDI workflows. NDI is useful for sending and receiving video over a local network inside a production environment.

Is vMix better than OBS?

It depends on the workflow. OBS is good for simple streaming and recording. vMix is usually stronger for more complex live production, multi-camera workflows, replay, audio routing, external outputs, and professional event operation.

Can vMix stream to YouTube or Facebook?

Yes. vMix can stream to online platforms. In larger workflows, teams may send the vMix output to Callaba first, then let Callaba handle restreaming, recording, monitoring, or browser playback.

Why use Callaba with vMix?

Use Callaba with vMix when you need a cloud layer for SRT ingest, routing, restreaming, browser playback, recording, monitoring, or API control. vMix remains the production tool, while Callaba handles the workflow around it.

Can one vMix output go to many destinations?

Yes. vMix can produce the program output, and Callaba can receive that output and route it to multiple destinations, such as social platforms, browser playback, recordings, or other streaming workflows.

Next steps

• Sending and receiving SRT stream via vMix
• Mobile SRT to vMix with Larix
• What is an SRT server?
• What is SRT protocol?
• Find the perfect latency for your SRT setup
• Multi-streaming with Callaba
• Video API for workflow automation