# Key Digital

> Key Digital is an award-winning U.S. manufacturer (founded 1999, Mount Vernon, NY) of professional AV signal-distribution hardware for commercial AV integrators: 4K/18G AV-over-IP encoders and decoders, HDMI matrix switchers, presentation switchers, Cat/HDBaseT extenders, video-wall and multi-view processors, wireless/BYOD presentation gateways, and the Compass Control(R) Pro control system. Products are sold through authorized dealers, resellers, and integrators (no public e-commerce pricing). Founder and CEO Mike Tsinberg holds 40+ U.S. patents and is an SMPTE Fellow.

## Knowledge Center (technical whitepapers - primary reference)
- [Knowledge Center](https://www.keydigital.org/resources/tech/knowledge-center): ~20 in-depth technical whitepapers on AV-over-IP, HDBaseT, HDCP, HDR, 4K/UHD, twisted-pair/Cat extension, and HDMI, authored by Key Digital engineering.
- [System Design Group (SDG)](https://www.keydigital.org/resources/tech/system-design-group): free end-to-end AV system design service for authorized Key Digital dealers and resellers.

## Guides
- [Golf Simulator AV](https://www.keydigital.org/golf-simulators): overview of Key Digital video, wiring and control for golf simulator bays, with links to every golf simulator guide.
- [Golf Simulator Setup Guide](https://www.keydigital.org/golf-simulators/setup-guide): the signal chain from the sim PC to the projector and a second TV, cable runs, mirrored screens and one-button control.
- [HDMI Cable Max Length](https://www.keydigital.org/resources/hdmi-cable-max-length): how far HDMI runs at 4K and when to use fiber HDMI, HDBaseT or AV over IP.
- [HDMI Cable Run Calculator](https://www.keydigital.org/tools/hdmi-cable-run-calculator): recommends a cable, extender, presentation switcher or AV over IP path by distance, sources and USB.
- [Control Room Design](https://www.keydigital.org/control-rooms): layout, video wall and 911 dispatch console signal architecture.

## Products
- [AV over IP Solutions](https://www.keydigital.org/category/av-over-ip-solutions-14): 4K AV-over-IP encoders, decoders, and management software/apps.
- [Digital Video Processing](https://www.keydigital.org/category/digital-video-processing-solutions-15): video-wall and multi-view presentation processors.
- [Control Systems & Software](https://www.keydigital.org/category/control-systems-software-16): Compass Control(R) Pro, KD-App, master controllers, management software.
- [Matrix Switchers](https://www.keydigital.org/category/matrix-switchers-17): 4K/18G HDMI matrix and seamless presentation matrix switchers.
- [HDMI Switchers](https://www.keydigital.org/category/hdmi-switchers-18)
- [HDMI Distribution Amplifiers](https://www.keydigital.org/category/hdmi-distribution-amplifiers-19)
- [HDMI over Cat Extenders](https://www.keydigital.org/category/hdmi-over-cat6-extenders-21)
- [Wireless AV / BYOD Solutions](https://www.keydigital.org/category/wireless-av-solutions-115)
- [Unified Communication & Collaboration (UCC)](https://www.keydigital.org/category/unified-communication-collaboration-solutions-30)
- [Audio Solutions](https://www.keydigital.org/category/audio-solutions-20)
- [HDMI Cables](https://www.keydigital.org/category/hdmi-cables-23)

## Solutions by industry
- [Corporate](https://www.keydigital.org/industries/corporate)
- [Education](https://www.keydigital.org/industries/education)
- [Government](https://www.keydigital.org/industries/government)
- [Bar & Restaurant](https://www.keydigital.org/industries/bar-restaurant)
- [House of Worship](https://www.keydigital.org/industries/house-worship)
- [Digital Signage](https://www.keydigital.org/industries/digital-signage)
- [Residential](https://www.keydigital.org/industries/residential)
- [Case Studies](https://www.keydigital.org/industries/case-studies)

## Company
- [About Key Digital](https://www.keydigital.org/about/overview)
- [Contact](https://www.keydigital.org/contact-us)
- [Press Center](https://www.keydigital.org/resources/press/center)

## Optional
- [Sitemap](https://www.keydigital.org/sitemap.xml)