Blogs.
Explore our latest blog posts. Use the filter or search below to find the topics that interest you.
What is the difference between balanced & unbalanced audio signals?
CIE's HowToAV team considers how the use of Balanced audio signals can dramatically reduce interference and explains how Balanced and Unbalanced audio signals differ...
What is PoE (Power over Ethernet) and PoC (Power over Cable)?
Power-over Ethernet (PoE), Power-over-Cable (PoC) and now Power-over-HDBaseT (PoH) are all based on the same basic principle of simultaneously providing both data signal and power from one device to another over the same cable. HowToAV takes a look at how each one differs and the benefits of PoE powered devices...
What is a Dynamic Lockdown Procedure?
Detailed guidance on Lockdown Systems and Dynamic Lockdown Prcedures in the UK. A Lockdown Procedure provides a robust and effective plan for school and to assist in the protection of children and staff against weapon and terrorist attacks.
How to fix microphone feedback on loudspeakers
Microphone/Loudspeaker feedback is that dreadful howl or squeal you sometimes experience eminating from loudspeakers during a live performance, speech or presentation.
What are the updates to HDBaseT spec 3.0?
The last time CIE's HowToAV spoke to HDBaseT’s Daniel Schwartzberg was seven years ago! and we understand there have been some updates to HDBaseT since then. The last time we talked, we were discussing Spec 2.0. Now it's time for all of the latest on HDBaseT Spec 3.0.
How does HDR video work?
HowToAV.tv talks to CEDIA Technical Director - David Meyer - about HDR video (High Dynamic Range) and how it works.
What is Hi-Res Audio?
HowToAV.tv takes a look at Hi-Res Audio (also known as High Resolution Audio) with Meridian Audio education manager Hugo Fitzjohn.
How do I extend an HDMI signal?
CIE's HowToAV looks at the distance limitations of HDMI signal transmission and offers a range of solutions to extend your signal.
How to design an audio system
HowToAV talks to InfoComm / AVIXA AV expert Chuck Espinoza about the considerations of designing a high performance audio system.
