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The actual ingest from the 78 RPM records to the digital tape was also done in real-time. The computer processing to clean up the surface noise, pops and scratches took the early computers quite some time to process. By the late 1970s, 3M introduced the first digital multitrack recorder. It used 1-inch (25 mm) wide specially formulated tape and ...
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).
A comparison of sizes for the Microcassette and Minicassette Analog, 1 ⁄ 8 inch wide tape, used generally for note taking, mostly mono, some stereo (developed in the early '80s). 2.4 cm/s or 1.2 cm/s Minicassette: Analog, 1 ⁄ 8 inch wide tape, used generally for note taking, 1.2 cm / s: 1970 Quadraphonic 8-Track (Quad-8) (Q8)
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 .
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 ...
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 ...
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.
According to Eric Olsen, Pink Floyd was "the most eccentric and experimental multi-platinum band of the album rock era", while the reggae artist Bob Marley was "the only towering figure of the rock era not from America or the U.K." [50] The 1970 Joni Mitchell LP Ladies of the Canyon is commonly regarded as one of the album era's most important ...