Convert 3G2 to MP3
You can convert 3G2 file to MP3 as well as to variety of other formats with free online converter.
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3rd Generation Partnership Project Multimedia File
| File extension | .3g2 |
| File category | video |
| Description | 3G2 is a 3G phone audio and video format made by 3rd Generation Partnership Project 2. Also, it is compatible with 2G and 4G phones. Mainly used on mobile phones for viewing video and for transmitting online multimedia files. It is also called 3GPP2 due to MPEG-4 standards from Apple’s Quicktime |
| Technical details | 3G2 has the same features as the MPEG-4 part 14 series (.MP4) but more user-friendly than the MPEG. It reduces bandwidth and storage space requirements, thereby, making it suitable for mobile phones. Video stream file sizes can be reduced using MPEG-4 Part 2 and MPEG-4 Part 10. It stores audio as AMR-WB, AMR-WB+, He-AAC, AMR-NB, and AAC-LC. Also, 3G2 files can store and transfer bytes with priority to important information. However, the files are made for CDMA-based phones. |
| Programs |
Apple QuickTime Player
GOM Player
Microsoft Media Player Classic
Totem
VideoLAN VLC Media Player
|
| Main program | Microsoft Media Player Classic |
| Developer | 3rd Generation Partnership Project 2 |
| MIME type |
video/3gpp
audio/3gpp
|
MP3 Audio File
| File extension | .mp3 |
| File category | audio |
| Description | MP3 (formally MPEG-1 Audio Layer-3 or MPEG-2 Audio Layer-3) is a digital format for storage of audio files as well as for audio streaming. The format was designed by MPEG programmers. It is one of the most required codecs for digital coding. The format is widely used in various file-sharing sites for evaluation downloading. Due to lossy compression in this audio format, it is possible to compress CD tracks up to 1/10 of their original size while maintaining high playback quality. Moreover, it can be encoded at higher or lower bit rates to adjust the resulting quality. Overtones, which cannot be perceived by a human ear, are removed. Complex algorithms allow for smaller size of tracks. As a result, one compact disk can contain several hundred songs. MP3 is compatible with all most popular operating systems and supported by the most of modern DVD-players and music systems. |
| Technical details | Prior to MP3 introduction, MPEG-1 had been widely used. That format contained not only audio data, but images as well. MP3 breaks an audio file into parts of the same length. When the processing is over, each part is packed into its own frame. It involves the technology of spectral limit that requires a continuous input signal to provide the use of two adjacent frames. When spectral deleting is over, the file is to be compressed with mathematic methods. If necessary, compression rate can be changed, even inside the same frame. Files of 128 kbit/s have 11-fold compression. Further reduction of the file size will lead to significant deterioration in sound quality. |
| Programs |
Microsoft Windows Media Player
VLC media player
MPlayer
jetAudio
Zune
Audacity
Apple iTunes
Plex Media Center
Amarok
Xine
Totem
|
| Developer | Moving Picture Experts Group |
| MIME type |
audio/mp3
audio/mpeg3
audio/mpg
audio/mpeg
audio/x-mpeg
audio/x-mpeg-3
audio/mp3
audio/x-mpegaudio
audio/x-mpg
audio/x-mp3
|