spf.io
Integrations Hub

Match your event stack to the right captioning and translation workflow.

Use this matrix to compare platform compatibility, setup complexity, and delivery mode before launch.

Platform Matrix
Input source, output destination, and setup profile for common deployment targets.
PlatformInputOutputBidirectionalSetup
ZoomCloud Loopback or Local LoopbackNative Caption APIYesMedium
YouTube LiveCloud Loopback or RTMP sourceCaption Ingestion URLNoMedium
Microsoft TeamsCloud Loopback or RTMP pathExternal viewer or overlayNoMedium
WebexCloud LoopbackNative integration or external viewerNoMedium
OBS / vMixDirect source feedBrowser overlay sourceNoLow
Input Methods
Choose the capture model based on event operations.
Cloud Loopback (bot joins the session)
Local Loopback (virtual audio cable path)
Direct microphone or production feed
Output Delivery Modes
Publish translated output where your audience already is.
Native platform closed-caption APIs
Browser overlay source for OBS/vMix
Embeddable iframe viewer for event portals
Mobile attendee link or QR distribution
Technical Requirements

Network: minimum 1.0 Mbps dedicated up/down, wired preferred for broadcast.

Browsers: current Chrome, Firefox, Safari, and Edge.

OS: cloud loopback is platform-agnostic; local loopback supports macOS/Windows.

Platform Permissions

Zoom: closed-caption setting enabled and API token connected.

YouTube Live: channel livestream enabled and caption ingestion activated.

Event software: validate browser source/embed permission before showtime.