This video was shot with an iPod Touch using 8mm app. It's part of a series called 'This is not cinema' that recreates experimental cinema aesthetics using lo-fi digital video tools. Images are just a light bulb going on and off. The sound was generated from the frames, converting them first to .raw and then to .aiff. It's not 'optical sound', obviously, but it's a digital technique based on the same idea (you see what you hear), and the resulting sounds are similar to those from optical sound experimental films._blank
'Engram' is a neuropsychology term, a hypothetical means by which memory traces are stored as biophysical or biochemical changes in the brain in response to external stimuli.