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File type: 3GP

What is 3GP?

The 3GP file extension represents Third Generation Partnership Project files. These are multimedia files using a format that was designed for 3rd generation cell phones and wireless networks. This format was created to ensure consistent delivery and communication of multimedia files over wireless networks and mobile devices. 3GP files are commonly created by, or intended for, cell phones and mobile devices.
More on 3GP from Wikipedia

How can I open 3GP files?

If you have a 3GP file that you wish to open, you will need an application that is capable of opening and playing 3GP files. FileRatings can help you find an appropriate program.

Filename extension.3gp
Internet media typevideo/3gpp, audio/3gpp
Developed by3GPP
Type of formatmedia container
Container foraudio, video, text
Extended fromMPEG-4 Part 12

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Converting any file into 3gp format.


From Wikipedia, the free encyclopedia

3GP (3GPP file format) is a multimedia container format defined by the Third Generation Partnership Project (3GPP) for 3G UMTS multimedia services. It is used on 3G mobile phones but can also be played on some 2G and 4G phones.

3G2 (3GPP2 file format) is a multimedia container format defined by the 3GPP2 for 3G CDMA2000 multimedia services. It is very similar to the 3GP file format, but has some extensions and limitations in comparison to 3GP.

3GP is defined in the ETSI 3GPP technical specification. 3GP is a required file format for video and associated speech/audio media types and timed text in ETSI 3GPP technical specifications for IP Multimedia Subsystem (IMS), Multimedia Messaging Service (MMS), Multimedia Broadcast/Multicast Service (MBMS) and Transparent end-to-end Packet-switched Streaming Service (PSS).

Technical details

The 3GP and 3G2 file formats are both structurally based on the ISO base media file format defined in ISO/IEC 14496-12 - MPEG-4 Part 12, but older versions of the 3GP file format did not use some of its features. 3GP and 3G2 are container formats similar to MPEG-4 Part 14 (MP4), which is also based on MPEG-4 Part 12. The 3GP and 3G2 file format were designed to decrease storage and bandwidth requirements in order to accommodate mobile phones.

3GP and 3G2 are similar standards, but with some differences:

  • 3GPP file format was designed for GSM-based Phones and may have the filename extension .3gp
  • 3GPP2 file format was designed for CDMA-based Phones and may have the filename extension .3g2

The 3GP file format stores video streams as MPEG-4 Part 2 or H.263 or MPEG-4 Part 10 (AVC/H.264), and audio streams as AMR-NB, AMR-WB, AMR-WB+, AAC-LC, HE-AAC v1 or Enhanced aacPlus (HE-AAC v2). 3GPP allowed use of AMR and H.263 codecs in the ISO base media file format (MPEG-4 Part 12), because 3GPP specified the usage of the Sample Entry and template fields in the ISO base media file format as well as defining new boxes to which codecs refer. These extensions were registered by the registration authority for code-points in ISO base media file format ("MP4 Family" files). For the storage of MPEG-4 media specific information in 3GP files, the 3GP specification refers to MP4 and the AVC file format, which are also based on the ISO base media file format. The MP4 and the AVC file format specifications described usage of MPEG-4 content in the ISO base media file format.

The 3G2 file format can store the same video streams and most of the audio streams used in the 3GP file format. In addition, 3G2 stores audio streams as EVRC, EVRC-B, EVRC-WB, 13K (QCELP), SMV or VMR-WB, which was specified by 3GPP2 for use in ISO base media file format. The 3G2 specification also defined some enhancements to 3GPP Timed Text. 3G2 file format does not store Enhanced aacPlus (HE-AAC v2) and AMR-WB+ audio streams. For the storage of MPEG-4 media (AAC audio, MPEG-4 Part 2 video, MPEG-4 Part 10 - H.264/AVC) in 3G2 files, the 3G2 specification refers to the MP4 file format and the AVC file format specification, which described usage of this content in the ISO base media file format. For the storage of H.263 and AMR content 3G2 specification refers to the 3GP file format specification.

Some cell phones use the .mp4 extension for 3GP video.

A 3GP file is always big-endian, storing and transferring the most significant bytes first.

Device support

  • Most 3G capable mobile phones support the playback and recording of video in 3GP format (memory, maximum filesize for playback and recording, and resolution limits exist and vary).
  • Some newer/higher-end phones without 3G capabilities may also playback and record in this format (again, with said limitations).
  • Audio imported from CD onto a PlayStation 3 when it is set to encode to the MPEG-4 AAC codec will copy onto USB devices in the 3GP format.
  • The Nintendo DSi supports .3gp on an SD card.

Software support

When transferred to a computer, 3GP movies can sometimes be viewed on Linux, Mac, and Windows platforms with MPlayer and VLC media player. Programs such as Media Player Classic, K-Multimedia Player, Totem, RealPlayer, QuickTime, and GOM Player can also be used.

3GP files can be encoded and decoded with open source software FFmpeg.

Use one of the following applications to open 3GP files:

  1. More infoVLC media player

    File Size: 18.73 MB
    License: Free
    Operating system: Win 7, Vista , XP, Server 2008, Server 2003, Win 2000

  2. InfoRealPlayer
  3. InfoMPlayer
  4. InfoQuick Time
  5. InfoMedia Player Classic