Optical sound
Optical Sound lab
https://matthew12345678.github.io/optical_sound_lab
input a film and analyse its frames to produce audio in many ways
as used in……
Feedback Mixer
Create feedback and convert it to sound
https://matthew12345678.github.io/feedbackworkwithsound/index.html
Video Synth (version 1)
find a later (better and tuneable) version here
https://matthew12345678.github.io/video%20player%20tunable/index.html
Map Sequencer
Use a picture or a map as a midi score
Spectroscope
Convert sound to a visual representation
https://matthew12345678.github.io/new_apps/spectroscope_new/index.html
and a slightly different one here