what is mp4 player?

plays both audio and visual files i believe never heard of it its just like a mp3 player but cooler An MP4 plays MP4 music bytes which are different and sometimes better than MP3s or MPEGs. Most MP4 players also play videos and display photos. Kind of like an iPod except bigger and more expensive. *iPods play MPEGs* MPEG-4 Part 14, formally, ISO/IEC 14496-14:2003, is a multimedia container format standard specified as a part of MPEG-4. It is most commonly used to store digital audio and digital video streams, especially those defined by MPEG, but also can be used to store other data such as subtitles and still images. Like most modern container formats, MPEG-4 Part 14 allows streaming over the Internet. The official filename extension for MPEG-4 Part 14 files is .mp4, thus the container format is often referred to simply as MP4. Devices that play .mp4 files are referred to as MP4 players.

MPEG-4 Part 14 was based on Apple's QuickTime container format. Although MPEG-4 Part 14 still resembles the QuickTime format, it has been improved upon in many different ways. Chinese MP4/MTV Player is a class of flash based Digital audio player, mostly manufactured in China, capable of displaying images, videos, and text files. Although commonly called MP4 players, they are usually unable to play MP4 format videos and are limited to proprietary file formats such as MTV, DMV, MPV and AMV. This is beginning to change however, as more players are starting to support MP4 files. They are a variety of S1 MP3 Player. Don't know!

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