FFmpeg.guide - One stop solution to all things FFmpeg
LAV Filters 0.77 - Neowin
oioiiooixiii on Twitter: "FFmpeg: Generate image of tiled results from all 'blend' filter types https://t.co/xJ6cbqPiJv Images might be useful refs. if nothing else https://t.co/9UANDSp0El" / Twitter
Filter graph can be constructed in some orders but not others
HOW-TO: Preview ffmpeg filters - YouTube
Working with audio in ffmpeg - Part 2 - DEV Community
Add a Watermark or Logo to a video the easy way using FFmpeg Filters Tutorial (no video editing software required) | Torchlight Media
Loudnorm filter in ffmpeg incorrectly normalizes some audios - Super User