Flexi-Disk Found Inside Magazine Has Speech Digitization Samples From 1973

SIGSALY: Churchill's top secret hotline to the president

“Here's the technical description, from NSA.[1] It was really an awful kludge. Today, you'd think, digitize audio into a bit stream, encrypt bitstream. That's not how it worked. It was somewhat similar…”— Animats, when sharing this video · read the comment ↗