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=== Vinyl Belts === | === Vinyl Belts === | ||
1950-1980s The Dictabelt machine used these colorful recording devices for consumers and corporations. The flexible vinyl | 1950-1980s The Dictabelt machine used these colorful recording devices for consumers and corporations. Recording time was usually 15mins. A blunt needle embossed the sound waves onto the belt. The flexible vinyl belts maintained their playable integrity better than earlier recording mediums if they were not hardened with heat. | ||
=== Optical Disks === | === Optical Disks === | ||