![]() The tape itself is commonly referred to as "eighth-inch" tape, supposedly 1⁄ 8 inch (0.125 in 3.17 mm) wide, but actually slightly larger, at 0.15 inches (3.81 mm). These spools and their attendant parts are held inside a protective plastic shell which is 4 by 2.5 by 0.5 inches (10.2 cm × 6.35 cm × 1.27 cm) at its largest dimensions. Ĭompact Cassettes contain two miniature spools, between which the magnetically coated, polyester-type plastic film (magnetic tape) is passed and wound. Compact Cassette tapes remain in production as of 2022 and survive as a niche format, continuing to receive some new music releases. It became an extremely popular format for prerecorded music, first alongside the LP record and later the digital compact disc (CD) the latter format eventually caused prerecorded cassettes to fade into obscurity by the mid-1990s in many countries, but it continued to be popular well into the 2000s in some other countries as well as for home recording purposes. Its uses have ranged from portable audio to home recording to data storage for early microcomputers the Compact Cassette technology was originally designed for dictation machines, but improvements in fidelity led to it supplanting the stereo 8-track cartridge and reel-to-reel tape recording in most non-professional audio applications by the mid-1970s. ![]() Although other tape cassette formats have also existed-for example the Microcassette-the generic term cassette tape is normally used to refer to the Compact Cassette because of its ubiquity. Both forms have two sides and are reversible by the user. Invented by Lou Ottens and his team at the Dutch company Philips in 1963, Compact Cassettes come in two forms, either containing content as a prerecorded cassette ( Musicassette), or as a fully recordable "blank" cassette. The Compact Cassette, also commonly called a cassette tape, audio cassette, or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback. Tape has a longer access time than disk for random accesses since the deck must wind the tape to move from one location to another.Most commonly 30, 45, and 60 minutes per side (C60, C90, and C120) Magnetic tape data storage uses the Sequential access method for reading data. As of 2019, the highest capacity tape cartridge can store 330 TB of data without using compression. Modern usage is a high capacity medium for backups and archives. Tape storage has always been used with large computer systems. When storing large amounts of data, tape can be cheaper than disk or other data storage options. However, innovation in the technology continues and tape is still widely used. Today, many other technologies like CD or DVD are replacing magnetic tape. Modern magnetic tape is most commonly packaged in cartridges and cassettes. In this time, many advances in tape have been made. ![]() Magnetic tape has been used for data storage for over 50 years. Pfleumer's invention used an iron oxide(Fe 2O 3) powder coating on a long strip of paper. Magnetic tape was first invented for recording sound by Fritz Pfleumer in 1928 in Germany.
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