.MP3 File Extension
File TypeMP3 Audio File
| Developer | Moving Picture Experts Group |
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| Category | Audio Files |
| Format | Binary
BinaryThis file is saved in a binary format, which requires a specific program to read its contents. |
What is an MP3 file?
An MP3 file is an audio file saved in a compressed audio format developed by the Moving Picture Experts Group (MPEG) that uses "Layer 3" audio compression. It is commonly used to store music and audiobooks with near-CD quality sound (stereo, 16-bit) and roughly 1/10 the size of a .WAV or .AIF file.
The quality of an MP3 file depends largely on the bit rate used for compression. Common bit rates are 128, 160, 192, and 256 kbps. Higher bit rates result in higher quality files that also require more disk space.
MP3 files are supported by most portable music players, such as the Apple iPod and Sony Walkman devices. They can also be played on the Amazon Kindle. Symbian OS mobile phones can play MP3 files using the UltraMP3 program.
View the MP3 definition.
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