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Betamax (also known as Beta, as in its logo) is a consumer-level analog recording and cassette format of magnetic tape for video, commonly known as a video cassette recorder. It was developed by Sony and was released in Japan on May 10, 1975, [ 1 ] followed by the US in November of the same year.
The Compact Cassette, also commonly called a cassette tape, [2] audio cassette, or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback. Invented by Lou Ottens and his team at the Dutch company Philips , the Compact Cassette was released in August 1963.
Through the 1980s and 1990s, Sony created many versions and variations in the cassette tape Walkman line [4] such as the DD series and WM series. Below is an incomplete list of cassette tape based Walkman models. Sony Walkman TPS-L2, from 1979. Sony Walkman WM-F15, released 1984. Sony Walkman WM-28, early 1980s Sony Walkman WM-F77, Circa 1986.
The Walkman cassette player debuted in 1979 and sold 220 million units over the course of three decades, even as CDs and other digital technology wiped out classic tapes.
By 1999, 20 years after the introduction of the first model, Sony sold 186 million cassette Walkmans. [26] Portable compact disc players led to the decline of the cassette Walkman, [27] which was discontinued in Japan in 2010. [28] The last cassette-based model available in the US was the WM-FX290W, [29] [30] which was first released in 2004. [31]
Early production units of the D-50/D-5 did not carry the Discman brand and were instead referred to as "CD Compact Player". [3] The Discman brand was applied later because of the unit's portability and similarity to the cassette Walkman. This brand name was used for Sony's portable CD players until 2000.
By the end of the late 2000s, very few cars were offered with cassette decks. The last vehicle model in the United States that came standard with a factory-installed cassette player was the 2010 Lexus SC 430, [19] however the Ford Crown Victoria came with a cassette deck as an option until the model was discontinued in 2011.
Since then, the four cassette tape types were known as IEC I, IEC II, IEC III and IEC IV. [21] The numerals follow the historical sequence in which these tape types were commercialized, and do not imply their relative quality or intended purpose. [22] An integral part of the IEC 60094 standard family is the set of four IEC reference tapes.