One-page reference: the two gain levers (analog vs digital), the four-step control loop, the decibel/gain arithmetic with the G.169 rate limits, the expose-versus-hide settings table, and six things to remember including the gain-chase artefact and the autoGainControl toggle.
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The book · Volume 4 of 7
Audio for Video: A Complete Guide to Sound in Video Products: From PCM and Codecs to Loudness, Accessibility, and Real-Time Voice Processing
This automatic gain control field guide covers analog and digital gain, the four-step control loop, G.169 rate limits and which settings to expose. Volume 4 covers real-time voice processing in depth: AGC, AEC, noise suppression and VAD, plus loudness and LUFS. Written by Nikolay Sapunov, CEO at Fora Soft.
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