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J-Tech Digital Guides
Articles
Explore practical guides, setup advice, and product insights from the J-Tech Digital team.
Featured Guide
4K-HDMI-Problems
Start here
How to Select a 4K HDMI Splitter for HDR, HDCP, and Surround SoundAvoid black screens and lost surround sound. Match your source's HDR, chroma, HDCP, and audio needs to the spec sheet before buying a 4K HDMI splitter.
Latest Articles
5 articles
Audio-Solutions
HDMI Matrix EDID and Audio Routing: How to Prevent Display Compatibility ProblemsMap every source, display, and audio path before changing EDID settings. Choose profiles, handle mixed resolutions, separate audio routes, and check HDCP.
av over ip
Digital Signage Hardware Setup for Reliable Video DistributionDigital signage reliability starts with the signal chain. This guide shows when splitters, extenders, matrix switchers, and AV-over-IP are actually needed.
EDID
HDMI Matrix Planning Guide for Multiple Sources and DisplaysA practical HDMI matrix planning guide: count your real sources and displays, decide matrix vs splitter vs switch, and verify resolution, audio,...
Clock-Recovery
What is TMDS?Learn how TMDS encoding reduces EMI and improves high-speed data transmission for digital video signals.