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A typical high-performance CD-4 system would include a turntable with a CD-4 compatible phono cartridge, a CD-4 demodulator, a four-channel amplifier (or receiver), and four identical full-range loudspeakers. [5] CD-4 encoded records were also compatible with conventional two-channel stereo playback systems. In stereo mode all four channels of ...
The phrase cassette tape is ambiguous in that there is no common dictionary definition [1] [2] [3] so depending upon usage it has many different meanings, as for example any one the one of 106 different types of audio cassettes, [4] video cassettes [5] or data cassettes [6] listed at The Museum of Obsolete Media.
By 1976, ferricobalt formulations took over the video tape market, [60] and eventually they became the dominant high-performance tape for audio cassette. [51] Chromium dioxide disappeared from the Japanese domestic market, [51] although chrome remained the tape of choice for high fidelity cassette duplication among the music labels. In consumer ...
Analog, 1 ⁄ 4-inch-wide (6.4 mm) tape, 3 + 3 ⁄ 4 in/s, endless-loop cartridge 1962 Compact cassette: Variants of the Compact Cassette Analog, with bias. 0.15 inches (3.81 mm) tape, 1 + 7 ⁄ 8 ips. 1970: introduced Dolby noise reduction: 1964 Sanyo Micro Pack 35 Channel Master 6546 Westinghouse H29R1
Visualization of the magnetic field on a stereo cassette containing a 1 kHz audio tone. The cassette was the next step following reel-to-reel audio tape recording, although, because of the limitations of the cassette's size and speed, it initially compared poorly in quality. Unlike the 4-track stereo open-reel format, the two stereo tracks of ...
Audiotape is magnetic tape used for storing audio. Information stored can be in the form of either an analog or digital signal. Audiotape can be used in various tape recorders including machines for reel-to-reel audio tape recording on open reels or they can be enclosed in cases that only have one reel (tape cartridge) or two reels (cassette tape).
The thickest tape normally used in cassettes is about 16-18 μm in thickness, and is used in C60 cassettes and in shorter lengths such as the C46. As the standard tape speed for a compact cassette is 1 + 7 ⁄ 8 inches per second (4.762 cm/s) and a C60 cassette records 30 minutes per side, a C60 cassette in theory holds 281 + 1 ⁄ 4 ft (85.73 ...
One of the first products that used the endless tape technology was the Audio Vendor from 1952, an invention of Cousino's. [2] It was registered as patent US2804401A. The tape is passed through an inner ring of loose tape reel , where the recording is stored, and looped back through the outer ring of the reel.