Aphex Twin did something similar on "2 Remixes by AFX." [1] There was an SSTV image [2] encoded into one of the tracks. It's basically some calibration header

Aphex Twin did something similar on "2 Remixes by AFX." [1] There was an SSTV image [2] encoded into one of the tracks. It's basically some calibration header tones followed by FM. For a little while, I didn't know it was data and just thought it was Richard doing his thing :) [1] https://www.youtube.com/watch?v=PWvuFdqk8Yg https://www.youtube.com/watch?v=PWvuFdqk8Yg [2] https://en.wikipedia.org/wiki/Slow-scan_television https://en.wikipedia.org/wiki/Slow-scan_television