"A Message to the Stars"
summary
Recreates the Voyager gold-plated audio disc images by treating the image audio as WAV samples, extracting left-channel amplitudes with a WAV file reader gem and Audacity, then laying chunks out as raster lines and writing Portable Gray Map files. Prototype is iterative: many images emerge intact, some show analog wobble and jitter from line-length variation, a few fail; code is hacked together but sufficient to recover recognizable pictures and suggest fixes.
AI-written summary · about
chapters (4)
- 0:00Start
- 19:08PROTOTYPING
- 35:44Wrapping Up
- 36:27We can represent images to computers to making a big grid of numbers. Each number is a brightness' value. Groups of numbers instead can mean colours and transparency.
