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The first Discman, the Sony D-50 or D-5 (depending on region), was launched in 1984. The Sony brand name for Discman changed to CD Walkman [a], initially for Japanese lineups launched between October 1997 and March 1998, [1] and then entirely in 2000. Discman and CD Walkman players were discontinued at the beginning of the 2010s when they lost ...
From 1997, Sony's Discman range of portable compact disc (CD) players started to rebrand as CD Walkman. [46] In 2000, the Walkman brand (the entire range) was unified, and a new small icon, "W.", was made for the branding. [45] From 2012, Walkman was also the name of the music player software on Sony Xperia. It has since been rebranded to Music.
It was the first Walkman digital music player to not require SonicStage software - allowing simple drag and drop [38] - but it has been shorn of the ability to play back ATRAC and AAC music files. The Auto-Transfer option allowed this Walkman to search for all the MP3 files on the PC and then copy these files directly to the Walkman.
An early portable player, a Sony Discman model D-121. A portable CD player is a portable audio player used to play compact discs. Portable CD players are powered by batteries and they have a 1/8" headphone jack into which the user plugs a pair of headphones. The first portable CD player released was the D-50 by Sony. [58]
On 7 July 2011, Sony announced that it would no longer ship MiniDisc Walkman products as of September 2011, [6] effectively killing the format. [13] On 1 February 2013, Sony issued a press release on the Nikkei stock exchange that it would cease shipment of all MD devices, with last of the players to be sold in March 2013.
The Walkman DD was an early series in Sony's Walkman line of portable audio cassette players. The "DD" stood for 'disc drive', with the unit's main motor being directly coupled to the 'disc' of the capstan flywheel assembly while lying perpendicular to it within the unit. This feature was later shared with the Walkman Professional series.
Audio quality may be slightly worsened due to compression artifacts when the system is in use. [citation needed] Quality is improved with uncompressed buffering.Battery life is shortened due to the fixed (CAV) read speed of the disc and power required by the memory.
This codec is used in Sony Hi-MD Walkman devices (e.g., "Hi-LP and Hi-SP"), Network Walkman players, Memory Stick players, VAIO Pocket, PS3 and PSP console, and ATRAC CD players. It is a hybrid subband/MDCT codec based on a 16 channel QMF followed by a 128-point MDCT. Prior to MDCT coding, Generalized Harmonic Analysis (GHA) is used to extract ...