Editing Portable media player (section)

=== Sony's entry in the market ===
[[Sony]] entered the digital audio player market in 1999 with the [[Vaio]] Music Clip and [[Memory Stick]] [[Walkman]],<ref>{{Cite news|url=https://www.nytimes.com/1999/09/30/technology/news-watch-new-player-from-sony-will-give-a-nod-to-mp3.html|title=NEWS WATCH; New Player from Sony Will Give a Nod to MP3|newspaper=The New York Times|date=30 September 1999|last1=Marriott|first1=Michel}}</ref> however they were technically not MP3 players as it did not support the MP3 format but instead Sony's own [[ATRAC]] format and [[Windows Media Audio|WMA]]. The company's first MP3-supporting Walkman player did not come until 2004.<ref>{{Cite web|url=http://reactionwheel.net/2018/11/itunes-and-the-basis-of-competition-in-the-mp3-player-market.html|title = ITunes and the Basis of Competition in the MP3 Player Market|date = 16 November 2018}}</ref> Over the years, various hard-drive-based and flash-based DAPs and PMPs have been released under the Walkman range.