HRE RESOURCES
Explore AV articles and practical explanations from High Resolution Engineering. Browse HRE Answers and written guides on signal management, networking, media servers, storage, power and cameras. Many guides include a short video alongside the written explanation.
Start with the subject you need. Each guide opens at its existing HRE article page, where you can read the full explanation and watch an accompanying video when available.
Understand the signals, formats and processing choices that connect sources to screens.
HRE ANSWERS · VIDEO + GUIDE
Learn how display capability information helps a source choose its output format.
HRE ANSWERS · VIDEO + GUIDE
Understand content protection and why it matters when connecting sources, processors and displays.
HRE ANSWERS · VIDEO + GUIDE
Learn how matrix routers connect multiple sources and destinations in a professional video system.
HRE ANSWERS · VIDEO + GUIDE
Explore Serial Digital Interface and its place in professional video transport.
HRE ANSWERS · VIDEO + GUIDE
Understand how a framebuffer holds image data and where it fits in video processing and display systems.
HRE ANSWERS · VIDEO + GUIDE
Understand layers and mixers before planning how sources will appear and transition on screen.
HRE ANSWERS · VIDEO + GUIDE
Learn why timing and synchronization matter when working with multiple video signals.
HRE ANSWERS · VIDEO + GUIDE
Explore the difference between full and limited signal ranges in video workflows.
HRE ANSWERS · VIDEO + GUIDE
Learn how bit depth relates to the colors and tonal steps represented in a video signal.
HRE ANSWERS · VIDEO + GUIDE
Understand how video formats represent color information relative to image detail.
HRE ANSWERS · VIDEO + GUIDE
Clarify the difference between bits and bytes when discussing data, storage and transfer speeds.
HRE ANSWERS · VIDEO + GUIDE
Understand common resolution terminology and the distinction between UHD and cinema 4K.
AV network planning series: Part 1 — VLANs · Part 2 — Subnetting. Watch each lesson and use the accompanying checklist to organize your network plan.
Build a clearer understanding of network transport and control across AV systems.
ENGINEERING GUIDE
Explore network bandwidth and its role in moving media within live-event systems.
HRE ANSWERS · VIDEO + GUIDE
Understand one-to-one and one-to-many network delivery in AV-over-IP systems.
HRE ANSWERS · VIDEO + GUIDE
Get an introduction to network protocols used to communicate with AV equipment.
HRE ANSWERS · VIDEO + GUIDE
Explore how keyboard, video and mouse switching supports control of multiple computers.
Explore the computing, playback and storage components behind professional media workflows.
HRE ANSWERS · VIDEO + GUIDE
Compare the jobs of media servers and video processors when planning a live-event system.
ENGINEERING GUIDE
Explore media-server capabilities and applications for large-format corporate-event video.
ENGINEERING GUIDE
Read about the M3 Max kit and Millumin workflow described in this equipment guide.
HRE ANSWERS · VIDEO + GUIDE
Learn the different roles of central and graphics processors in media systems.
HRE ANSWERS · VIDEO + GUIDE
Explore how codec processing relates to CPUs, GPUs and video playback workflows.
HRE ANSWERS · VIDEO + GUIDE
Explore the role of network file transfer in moving and sharing media across production systems.
HRE ANSWERS · VIDEO + GUIDE
Learn how NAS provides shared storage for media, collaboration and AV workflows.
HRE ANSWERS · VIDEO + GUIDE
Compare storage configurations and their different trade-offs in capacity, performance and redundancy.
Review the basic electrical concepts that inform equipment and power planning.
HRE ANSWERS · VIDEO + GUIDE
Connect voltage, current and resistance to practical electrical planning for audiovisual equipment.
HRE ANSWERS · VIDEO + GUIDE
Understand wattage and the power requirements to consider when planning an AV system.
HRE ANSWERS · VIDEO + GUIDE
Learn how alternating and direct current differ and where each appears in AV equipment.
Explore camera tools and their role in corporate-event production.
ENGINEERING GUIDE
Explore how pan-tilt-zoom cameras fit into corporate-event video production.
The HRE video library brings together whiteboard explanations, equipment demonstrations, training highlights and behind-the-scenes videos. Search the collection, watch a quick explanation, then return to a guide when you want more detail.
HRE connects equipment with practical engineering, programming and onsite support for installations and live events. Talk with our team about your sources, displays, workflow and production requirements.
USB-C to HDMI for Mac: An AV Testing Checklist — prepare and document your playback signal path.
Video Processors for LED Walls: Planning the Signal Path — plan sources, screen mapping and operator handoffs.
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