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The tape was 0.1 inches (2.5 mm) wide and 0.003 inches (0.076 mm) thick running at 5 feet per second (1.5 m/s) past the recording and reproducing heads. This meant that the length of tape required for a half-hour program was nearly 1.8 miles (2.9 km) and a full reel weighed 55 pounds (25 kg).
The first CrO 2 cassette was introduced in 1970 by Advent, [97] and later strongly backed by BASF, the inventor and longtime manufacturer of magnetic recording tape. [98] Next, coatings using magnetite (Fe 3 O 4 ) such as TDK 's Audua were produced in an attempt to approach or exceed the sound quality of vinyl records .
Between the invention of the phonograph in 1877 and the first commercial digital recordings in the early 1970s, arguably the most important milestone in the history of sound recording was the introduction of what was then called electrical recording, in which a microphone was used to convert the sound into an electrical signal that was ...
Though spoken recordings were popular in 33 + 1 ⁄ 3 vinyl record format for schools and libraries into the early 1970s, the beginning of the modern retail market for audiobooks can be traced to the wide adoption of cassette tapes during the 1970s. [9] Cassette tapes were invented in 1962 and a few libraries, such as the Library of Congress ...
“Cassette culture” is an international music scene that developed in the wake of punk in the second half of the 1970s and continued through into the first half of the 1980s (the "postpunk" period), and in some territories into the 1990s, in which a large number of amateur musicians outside the established music industry, usually recording in their homes and usually recording to cassette ...
A reel-to-reel tape recorder from Akai, c. 1978. An audio tape recorder, also known as a tape deck, tape player or tape machine or simply a tape recorder, is a sound recording and reproduction device that records and plays back sounds usually using magnetic tape for storage.
America Online CEO Stephen M. Case, left, and Time Warner CEO Gerald M. Levin listen to senators' opening statements during a hearing before the Senate Judiciary Committee on the merger of the two ...
AMPEX 440 (two-track, four-track) and 16-track MM1000 Scully 280 eight-track recorder using 1 inch (25 mm) tape at the Stax Museum of American Soul Music. Multitrack recording of sound is the process in which sound and other electro-acoustic signals are captured on a recording medium such as magnetic tape, which is divided into two or more audio tracks that run parallel with each other.