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The physical and human spects dealing with audio, video, and images Vision and color perception: objectively describing color · the eyes and the brain · physics, numbers, and (non)linearity · color spaces · references, links, and unsorted stuff Image: file formats · noise reduction · halftoning, dithering · illuminant correction · Image descriptors · Reverse image search · image feature and contour detection · OCR · Image - unsorted Video: format notes · encoding notes · On display speed · Screen tearing and vsync Audio physics and physiology: Sound physics and some human psychoacoustics · Descriptions used for sound and music Noise stuff: Stray signals and noise · sound-related noise names · electronic non-coupled noise names · electronic coupled noise · ground loop · strategies to avoid coupled noise · Sampling, reproduction, and transmission distortions · (tape) noise reduction Digital sound and processing: capture, storage, reproduction · on APIs (and latency) · programming and codecs · some glossary · Audio and signal processing - unsorted stuff Music electronics: device voltage and impedance, audio and otherwise · amps and speakers · basic audio hacks · Simple ADCs and DACs · digital audio · multichannel and surround On the stage side: microphones · studio and stage notes · Effects · sync Electronic music: Electronic music - musical terms MIDI · Some history, ways of making noises · Gaming synth · microcontroller synth Modular synth (eurorack, mostly): sync · power supply · formats (physical, interconnects) DAW: Ableton notes · MuLab notes · Mainstage notes Unsorted: Visuals DIY · Signal analysis, modeling, processing (some audio, some more generic) · Music fingerprinting and identification For more, see Category:Audio, video, images