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Model 1604. PlayTape is a 1 ⁄ 8 inch (3.2 mm) [2] audiotape format and mono or stereo playback system introduced in 1966 by Frank Stanton. [3] It is a two-track system, and was launched to compete with existing 4-track cartridge technology.
Fidelipac was originally a 1 ⁄ 4-inch-wide (6.4 mm) analog recording tape, two-track format. One of the tracks was used for monaural program audio, and the other being used for a cue track to control the player, where either a primary cue tone was recorded to automatically stop the cart, a secondary tone was recorded to automatically re-cue the cart to the beginning of the cart's program ...
The first commonly available increase in tape length resulted from a reduction in backing thickness from 1.5 to 1.0 mil (38 to 25 μm) resulting in a total thickness reduction from 42 to 35 μm (1.7 to 1.4 mils), which allowed 3,600 ft (1,100 m), 1,800 ft (550 m), and 900 ft (270 m) tapes to fit on ten-and-a-half-, seven-, and five-inch reels respectively.
The typical professional audio tape recorder of the early 1950s used 1 ⁄ 4 in (6 mm) wide tape on 10 + 1 ⁄ 2 in (27 cm) reels, with a capacity of 2,400 ft (730 m). Typical speeds were initially 15 in/s (38.1 cm/s) yielding 30 minutes' recording time on a 2,400 ft (730 m) reel.
The endless loop tape cartridge was designed in 1952 by Bernard Cousino of Toledo, Ohio. [6] [7]Previously, music in the car had been restricted mostly to radios. Records, due to their methods of operation and size, were not practical for use in a car, although several companies tried to market automobile record players such as the Highway Hi-Fi and the Auto-Com flexidisc.
Usually, similar to modern players, the media player will be reading audio into memory for later playback, especially given the extreme speeds used by CD-ROM drives in order to access raw data on other discs. Because of this, if there is a fault during playback, the player will already be performing a checksum to verify the data read is correct ...
0.25 0.5 1.2 2 4 Media format QIC-80 QIC-3020 QIC-3095 QIC-3220-MC Travan 640 Min tape length (ft) 750 750 740 740 750 Tape tracks 36 50 72 108 108 Encoding MFM: MFM: RLL(1,7) RLL(1,7) VR 2 Tape type Co-γFe 2 O 3: Co-γFe 2 O 3: Co-γFe 2 O 3: Metal Particle Metal Particle Coercivity (Oe) 550 900 900 1650 1650 Recording density (ftpi) 14,700 ...
It supplied turntables and autochangers to many of the world’s record player manufacturers, eventually gaining 87% of the market. The company also manufactured their own brand of player, the Monarch automatic record changer, which could select and play 7", 10" and 12" records at 16, 33 1 ⁄ 3 , 45 or 78 rpm, automatically intermixing ...