What is the difference between two-track and four-track cassette recordings?
Two-track is the standard format for cassette tapes, and can be played on any standard cassette player. Four-track is a specialized format for the blind, and requires a special tape player. Most ordinary cassettes play for sixty to ninety minutes. Using the special four-track, half-speed format, a tape that would normally play only ninety minutes can play for six hours. We can record using two-track or four-track, depending on the preference of the client.
