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The SRF-39 is a portable AM/FM radio introduced in approximately 1992 by Sony. [1] It uses a single AA battery, as its analog electronics require very little voltage. It was one of the first radios to use the CXA1129 30-pin integrated circuit, which later was responsible for the SRF-39's sensitive and selective performance.
SensMe is a proprietary music mood and tempo detection system created by Sony Corporation [1] and employed in numerous Sony branded products, including in some Walkman digital music players, the Media Go application, the PlayStation Portable, and Sony Ericsson and Sony Xperia handsets.
Sony applied the "Walkman" brand to some transistor radios starting with the matching blue SRF-40 FM Walkman in 1980, [17] and added a radio system to some Walkman cassette models starting with the model WM-F1 in 1982. [18] The first model with Dolby noise-reduction system and an auto reverse function appeared in 1982. [19]
For certain markets and eras, Sony would use other commercial names for their radio clock products, such as DIGIMATIC (UK/EU), or Digital 24 (US/North America), however the actual design would be identical or similar to those branded as Dream Machine. The manufacturing of Dream Machine is an early example of outsourcing.
SonicStage is a discontinued software product from Sony that is used for managing portable devices when they are plugged into a computer running Microsoft Windows.It comprises a music player and library manager, similar to iTunes, Windows Media Player and RealPlayer.
The original Sony Walkman TPS-L2 was introduced on July 1, 1979. [2] [3] 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 ...
An early 2000s transistor radio (Sony Walkman SRF-S84 transistor radio, released 2001, shown without earphones) Rock 'n roll music became popular at the same time as transistor radios. Parents found that purchasing a small transistor radio was a way for children to listen to their music without using the family tube radio.
Sony Walkman NW-A1000, one of the earliest Walkman players that played MP3 alongside the proprietary ATRAC format. Nearly all players [65] [failed verification] are compatible with the MP3 audio format, and many others support Windows Media Audio (WMA), Advanced Audio Coding (AAC) and WAV.