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| File extension | .3GPP |
| Category | Audio File |
| Description | 3GPP is the product of 3rd Generation Partnership Project created for transmitting sound and video over 3G mobile networks. The most of mobile phones (even those that doesn’t support 3G) feature 3GPP clips recording and playback. This multimedia container stores audio in AAC-LC or AMR-NB, while video is either MP4 or H.263. Alongside with comparatively small size 3GPP files are optimized for mobiles featuring low quality. Most often 3GPP files have .3gp extension. |
| Associated programs | QuickTime Player VLC Media Player Windows Media Player |
| Developed by | 3rd Generation Partnership Project (3GPP) |
| MIME type | audio/3gpp |
| Useful links | More detailed information on 3GPP files |
| File extension | .MP3 |
| Category | Audio File |
| Description | MP3 is the most popular audio file type based on MPEG-1 Layer III compression. Its lossy algorithm was developed in 1991. MP3 codes the sound almost with the same quality, as CD (16-bit stereo), providing compression in size 1 to 10 from the original WAF or AIFF tracks. The quality of MP3 seriously depends on the bitrate. It can be 128 - 256 kbps. Higher bitrates are also supported, but they seriously increase the file size. It is supported by all modern hard- and software players. |
| Associated programs | RealOne WinAmp Windows Media Player iTunes |
| Developed by | Fraunhofer Institute |
| MIME type | audio/mpeg audio/MPA audio/mpa-robust |
| Useful links | More detailed information on MP3 files |
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