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English
Etymology
An initialism of MPEG Audio Layer 3. First use appears c. 1994. See cite below.
I should download her audio on MP3 / And show the whole world how you gave Eminem VD
Proper noun
MP3
(audio file format)MPEG-1 Audio Layer 3, an audio data compression format.
1994 November 6, Francois Dion, “Does anyone know of .mpa to .wav conversion software.”, in comp.multimedia (Usenet):
Also, mpeg audio streams are usually identified by mp1, mp2 and mp3 extensions, all from MPEG-1 (layer 1 , 2 or 3).
2019 June 27, Jack Schofield, “What’s the best cheap tablet or e-reader for PDF files?”, in The Guardian:
A smartphone is not the best camera, notebook, word processor, audio recorder, radio, MP3 player, map reader, pedometer and so on, but it is good enough replace numerous separate devices for most people most of the time.
(music)MP3 player(electronic device for playing digital audio files in the MP3 format (and, in many cases, also files in some other formats and/or including a radio function))
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