Test pattern generator
GenR8, a test pattern generator for iPhone and iPad: A signal generator that fits in your pocket.
Professional test patterns, HDR signals and audio tones for display calibration and signal-chain checks — straight out of your iPhone or iPad at 1:1 pixels.
Key features
Made with precision for people who check signals for a living.
28+ test patterns
SMPTE, EBU and ARIB bars, calibration grids, convergence, luma steps, IRE and scanning bars.
HDR signals
PQ curve patterns, HDR color bars and BT.2111 UHD patterns. GenR8 uses EDR automatically on capable displays.
External displays
USB-C to HDMI or DisplayPort, or AirPlay, with full 1:1 pixel mapping. iPad Pro drives up to 6K at 60 Hz.
Display modes
See every resolution and refresh rate the display reports, and set the mode to force the handshake.
Tones & AV sync
Sine, square, saw and white noise from 20 Hz to 20 kHz with live L/R meters, plus an AV sync test.
Overlays & export
Aspect guides, crosshairs, borders, resolution info, clock and custom text. Export patterns as PNG, PDF, JPG or TIFF.
iPad
A pattern library beside a full-screen preview.
The iPad layout puts the library in a sidebar and the output front and center — and on the latest iPad Pro, outputs up to 6K.
iPhone
Quick diagnostics, on any job.
For video engineers, AV techs and filmmakers