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Knowledge Center

Technical white papers on the core technologies that drive Key Digital products — HDMI, HDBaseT, HDR, AV-over-IP, HDCP, and more. Written by Mike Tsinberg, President of Key Digital®.

Welcome

Engineering perspective

Effective product development is only achieved when technical achievement is combined with direction that begins and ends with our customers’ needs. The Knowledge Center collects technical white papers aimed at educating customers, integrators, and engineers about core technologies behind Key Digital products.

Mike Tsinberg is a true video industry expert — leader of the Emmy-award-winning DVD authoring team, Society of Motion Picture and Television Engineers (SMPTE) Fellow, inventor of forty patents, and Chair of numerous professional committees dedicated to digital video.

White Paper Library

Browse by topic

Each paper is a deep dive on one specific topic from Key Digital’s engineering team.

AV over IP AV over IP: the next generation ProAV connectivity Mike Tsinberg covers the basic technology and features associated with this new connectivity standard. Read paper Compression H.264 and MJPEG compression for HDMI over IP in ProAV Why TCP/IP transport demands compression — and where each scheme makes sense for ProAV. Read paper HDR High Dynamic Range (HDR) via HDMI 2.0a for ProAV How HDR addresses current TV limitations like clipping in high brightness scenes on high contrast displays. Read paper 4K UHD Practical use of 4K UHD resolution in ProAV Bandwidth, color subsampling, and bit depth tradeoffs to fit 4K UHD into HDMI and HDBaseT. Read paper HDMI Cabling Making long HDMI cables Why pushing 18 Gb/s over a long HDMI cable is non-trivial — TMDS encoding, eye opening, and signal integrity. Read paper HDCP Fix HDMI and HDCP connectivity with four-layer buffering Inside Key Digital’s Full Buffer approach and why four layers solve common HDMI handshake issues. Read paper Patent IQ Jumper Cable patent US Patent 8,930,610 B2: a method to transmit RS232 or IR control signals over a standard HDMI cable. Read paper Comparison HDBaseT vs HD-SDI A fair comparison of HDBaseT (used to deliver HDMI) vs HD-SDI for AV installations. Read paper Standards HDCP 2.2: facts and fiction A new format designed to protect 4K UHD baseband signals from copyright infringement — and what it changes for installers. Read paper 3D 3D in the consumer marketplace Why 3D TV acceptance has been weak — technical and market factors. Read paper CAT Cabling How to choose twisted-pair cable CAT5e, CAT6, UTP, STP — what matters for installers, and what doesn’t. Read paper HDBaseT HDBaseT® technology A primer on HDBaseT’s use of twisted-pair wires for HDMI connectivity over longer distances. Read paper Switching Analog matrix switching vs ATSC encoder matrix switching Baseband analog vs ATSC compressed methods for commercial installations. Read paper Retail HDMI digital vs analog component distribution For digital signage and retail applications: daisy-chain analog vs HDMI digital systems compared. Read paper AV over IP HDMI over IP vs HDMI matrix switching using CAT6 / STP Potential drawbacks of TCP/IP transport for high-quality HDMI video. Read paper 3D 3D features of the HDMI 1.4 format Overview of 3D features, bandwidth requirements, and format support in HDMI 1.4. Read paper HDMI History HDMI 1.0-1.3 vs HDMI 1.4 in commercial and residential Feature-by-feature comparison of HDMI versions and their commercial and residential applications. Read paper Reliability How to make HDMI plug-and-play instead of plug-and-pray Why HDMI gets a bad reputation among installers — and how to fix it. Read paper CAT Cabling Why upgrade your installation with CAT5 cables CAT5 is a very popular and simple connection that can be used for every possible signal in modern installations. Read paper
Questions?

Talk to Key Digital engineering

Have a specific technical question or want to dive deeper into any of these topics? Reach our engineering team directly.

Email: sales@keydigital.com Phone: +1 (914) 667-9700 Opt 2
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