3G2 to M4A Converter
Convert .3G2 into .M4A Files - Fast, Free and Secure. We also have information of .3G2 and .M4A Files extensions on this page.
Information about 3G2 |
File extension |
| 3g2 |
File category |
| Video |
Stands for |
| 3GPP2 (An extended form of MPEG-4 Part 12) |
Developer |
| 3rd Generation Partnership Project 2 |
Overview |
| The 3G2 format is an upgraded version of .3GP file and it functions to save both audio and video files in 3G phones which are based on CDMA (Code Division multiple access). By using this format, we can transfer files over the internet and can store videos on mobile phones. It consumes less storage space when compared to the 3GP file. Therefore, it helps to save the disk space. Also, this format is very good for mobile streaming and downloading as it supports bandwidth, which is easily compatible with 3G cell phones. Moreover, this is both ISO Base media file format MPEG-4 Part 12 and MP4 file format MPEG-4 Part 14. We can use various software to open these files. For example, Apple’s free QuickTime, VLC Media player; etc. |
Technical description |
| It is a parallel format of MPEG-4 Part 14 or MP4 but a simplified version, not the complex one. This is the perfect format for 3G cell phones to store videos as low bandwidth is required and besides this, it takes less space to store videos. 3GPP2 can store similar video and audio streams as of 3GP and some additional streams as well. For instance- AMR-NB, AMR-WB, AMR-WB+, AAC-LC, HE-AAC v1, and HE-AAC v2. In addition to these aforesaid streams, EVR-C, EVRC-B, EVRC-WB, VMR-WB are other extra streams used in this format. MPEG-4 media is stored in 3G2 format using MP4 and AVC file format specifications. |
Links |
| wikipedia.org |
Information about M4A |
File extension |
| m4a |
File category |
| Audio |
Stands for |
| MPEG-4 PART 14 or MPEG-4 Audio |
Developer |
| Apple |
Overview |
| It is an audio file which uses AAC (Advanced Audio Coding) compression. Also, it is one of the formats of MPEG-4. It should be noted that MPEG-4 codec is used both for video and Audio. But M4A is specially designed by Apple for audio files only that is why it is used to store audiobooks, podcasts and songs. As sound files are encoded using AAC compression and this results in a reduction of file size and it also produces a very good quality of audio. Whenever somebody purchases music from the iTunes store then it is always available in this format. Many believe that MP4 and M4A are similar extensions, however, it’s not the truth. MP4 files can store both Audio and video files whereas the other one is entirely made for Audio files. |
Technical description |
| These files are improved version of MP3 as it has the ability to store data without any loss. The audio files are completely reversible that is they can be inverted to their original copies with the same size. Besides this, these files does not have copyright protection whereas MP4 files are protected and they use DRM(Digital Rights Management) technology to enforce this protection policy. Due to this, one can copy these audio files effortlessly. These files have come with advanced features which include smaller sample block sizes, perception-based compression and bigger block sizes in stationary signals. There are a number of applications that support this extension. For example:- Microsoft Windows Media Player, VLC Media Player, Quicktime player, Microsoft Zune and Apple iTunes etc. |
Links |
| wikipedia.org |
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