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Compatible Discrete 4, also known as Quadradisc or CD-4 (not to be confused with compact disc) was a discrete four-channel quadraphonic system for phonograph records. The system was created by JVC and RCA in 1971 [ 1 ] and introduced in May 1972.
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.
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
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 ...
The following is a list of audio releases for the British television and radio sitcom Dad's Army. The list includes cassette tape, compact disc, LP record and 7-inch single vinyl releases. LP Dad's Army, BBC Records, 1975. Contained the radio series episodes " Something Nasty in the Vault "and" Sgt. Wilson's Little Secret ". Volume releases Since 1990, the BBC has been releasing the original ...
The tenth volume was released on both CD [R2 71703] and audio cassette on October 18, 1994. It contains the rarely heard The Little Girls' "Earthquake Song." The CD included Rank and File's "Amanda Ruth" as a bonus track. Booklet includes liner notes by Roy Trakin (liner notes for each song are in order by the track listing, unlike the previous ...
Bose Acoustic Wave Music System CD-3000 with CD player and FM radio. The first "Wave" product was the "Acoustic Wave Music System" (AWMS-1), which was a tabletop mini-hifi system that was introduced in 1984. The AWMS-1 consisted of an AM/FM radio, cassette player, two 2-inch tweeters, and a four-inch woofer. [2]
Digital audio cassette formats introduced to the professional audio and consumer markets: Digital Audio Tape (or DAT) is the most well-known, and had some success as an audio storage format among professionals and "prosumers" before the prices of hard drive and solid-state flash memory -based digital recording devices dropped in the late 1990s.