Welcome to the Knowledge Center - Hosted by Mike Tsinberg

Mike and his entire Key Digital® team of Experts in Digital Video Technology and Solutions are the ones who engineer, design, and manufacture a wide range of products that enable video products to work together, seamlessly, flawlessly, exceeding the highest standards for video quality. Mike 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. As President of Key Digital®, Mike is in a unique position to infuse the best features, technology, and value into his products.

Effective product development is only achieved when technical achievement is combined with direction that can be realized only through a vision that begins and ends with our customers’ needs. Here, we present technical white papers aimed at educating our customers about core technologies driving our innovative products.

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AV over IP - the next generation ProAV connectivity technology

By Mike Tsinberg  - Everybody heard up to now this new buzz AV over IP (AVoIP). This paper will cover basic technology and features associated with this new technology.

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H.264 and MJPEG Compression for HDMI over IP in ProAV applications

By Mike Tsinberg  - HDBaseT technology achieved a very significant goal for ProAV – twisted pair type cabling CAT5e/6/6a was now capable of providing clear, artifact-free digital HDMI video for distances up to 330 feet (100m). However, HDBaseT was specifically designed to be not compatible with IT infrastructure such as 1KBaseT or 10KVBaseT connectivity and switching products...

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High Dynamic Range (HDR) technology introduced by HDMI 2.0a for ProAV

By Mike Tsinberg  - HDR addresses current TV limitation - clipping of high brightness scenes on high contrast displays. As you see from pictures examples below, current Standard Dynamic Range system does not allow Higher Dynamic Range that would adequately expose both dark and extremely bright areas at the same time...

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Practical use of 4K UHD resolution in ProAV applications

By Mike Tsinberg  - 4K UHD can quickly exceed all the available data bandwidth we have available through most common connectivity formats such as HDMI or HDBaseT. Therefore we have to carefully define color and bit sampling depth...

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Making Long HDMI cables

By Mike Tsinberg  - Making long HDMI cables is not a trivial task. Sending heavy up to 18 Gb/s Video Audi load one way inside that cable is done by TMDS (Transition Minimized Differential Coding) signal...

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How to fix HDMI and HDCP connectivity with four layers of buffering

By Mike Tsinberg  - Our experiences indicated that we need to use a special four layer buffer in order to avoid HDMI connectivity mistakes and create solid reliable HDMI interface...

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IQ Jumper Cable Patent White Paper

By Mike Tsinberg  - On January 6, 2015 Key Digital received a patent US 8,930,610 B2 for the invention of a method to transmit RS232 or IR control signals over standard HDMI cable...

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Advantages of HDBaseT vs HD SDI

By Mike Tsinberg  - HDMI is often compared to HD-SDI for various Video Audio installations. However, fare comparisons have to be made between HDBaseT often used to deliver HDMI and HD-SDI...

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HDCP 2.2 Facts and Fiction

By Mike Tsinberg  - Recently, upon the demand of content creators, HDCP instituted a new copy protection format.  This new format, HDCP 2.2, is designed to protect 4K UHD baseband signals from copyright infringements..

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3D in the Consumer Marketplace

By Mike Tsinberg - Acceptance of 3D TV into consumer marketplace is very weak to say the least. It can be explained by a few factors..

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How do we choose twisted pair cable?

By Mike Tsinberg  - In current environment with so many cable types available it is sometimes difficult and confusing for the installer to decide appropriate twisted pair cable among types such as CAT5e, CAT6, UTP, STP and etc.

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HDBaseT® Technology

By Mike Tsinberg  - HDBaseT® is a new technology available for HDMI connectivity which enables the use of twisted pair wires to a greater extent than all previously used methods...

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Analog Matrix Switching vs. ATSC Encoder Matrix Switching

By Mike Tsinberg  - Two methods of analog matrix switching, traditional baseband analog switching method and the ATSC compressed method, which are used in commercial installations, recently warranted an important comparison.

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HDMI Digital versus Analog Component Large Distribution Systems  for Digital Signage and Retail Applications

By Mike Tsinberg  - Comparison of Analog Component Daisy Chain Video Distribution System versus HDMI Digital Video Distribution Systemin Digital Signage and Retail Applications.

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HDMI Over IP vs. HDMI Matrix Switching using CAT6/STP

By Mike Tsinberg  - Although TCP/IP networks are typically used for applications such as Data, Voice, and some low quality video, using TCP/IP for high quality HDMI video connectivity has some potential drawbacks which we will try and outline here.

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3D Features of the HDMI 1.4 Format

By Mike Tsinberg  - The world of 3D Digital technology is upon us and we have to understand and implement new changes in order to go forward with 3D. An overview of the 3D features of the HDMI1.4 format with detailed look at 3D signal bandwidth requirements and format support.

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Comparison of HDMI 1.0-1.3 and HDMI 1.4 usages for the Commercial and Residential Markets

By Mike Tsinberg  - An in-depth look at history of the HDMI versions released up to this date, the features delivered in each version, and the use of these features in each respective HDMI standard.

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How to Make HDMI Plug & Play Instead of Plug & Pray

By Mike Tsinberg  - Many professional installers of AV equipment are calling HDMI Plug and Pray instead of Plug and Play. What is the reason behind such a degrading name? The digital connectivity predecessors to HDMI, DVI and VGA, were proven to be reliable Video connections. So what happened?...

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Why Upgrade Your Installation with CAT5 cables

By Mike Tsinberg - CAT5 is a very popular and simple connection that can be used for every possible signal distribution throughout your installation. CAT5 cable with proper installation and the right technology, can make vast improvements in your A/V installation...