Test Signal Generator

Professional test patterns, guides, audio references and timecode for displays, projectors, LED walls, streaming and live production.

Test Signal Generator helps you validate displays, projectors, LED walls, streaming workflows and production systems using professional broadcast-style test signals.

Generate industry-standard test patterns directly from your iPhone, iPad or Mac and send them to external displays via HDMI or connected video hardware.

Features include:

• Color Bars • Greyscale • Full-screen color fields • Zone Plate • Gradient Banding Test • Motion Test Patterns • Moving Pixel Test • Timecode Overlay • Clock Overlay • Audio Reference Signals • Geometry Guides • Safe Area Guides • Frame Boundary Guides • Social Media Framing Guides (9:16, 4:5, 1:1)

Use Signal Generator to:

• Align projectors • Verify LED wall processors • Detect scaling issues • Check overscan and cropping • Validate signal chains • Test audio/video synchronization • Troubleshoot streaming workflows • Prepare live productions

Pro features unlock additional test patterns, advanced guides, audio references, custom branding.

Designed for broadcasters, AV professionals, event technicians, streamers and content creators.