Analog vs. Digital
Understanding the fundamental differences between analog and digital signal transmission in audio and video systems.
analogdigitalsignal-typesfundamentalsaudiovideo
Decibels
Understanding decibels (dB), how audio levels are measured, and why they matter in AV system design.
decibelsaudiofundamentalsmeasurementgain-structurespl+1
Gain Structure — Setting Levels in AV Audio Systems
Comprehensive guide to gain structure in professional AV systems — mic preamp setting, digital levels, amplifier sensitivity, and gain staging from transducer to loudspeaker.
fundamentalsgain-structureaudiolevel-managementsignal-flowdsp
Impedance Matching
Understanding impedance, why matching matters, and how to properly couple equipment in audio and video systems.
impedanceaudiovideosignal-integritycable-managementtransformers
Signal Flow — AV System Signal Chain
Comprehensive guide to signal flow in AV systems — from microphone through DSP to amplifier, video distribution, conferencing bidirectional paths, and gain structure.
fundamentalssignal-flowgain-structureaudiovideoconferencing+2