Convert AVI to 3GP Audio

To convert AVI to 3GP audio, first Click here to free download RER Audio Converter software - Microsoft Windows XP, 2003, Vista supported (32bit, 64bit) - launch the r-audio-converter.exe file, following the installation wizard instructions. All decoders and encoders are built in. Once you download and install RER Audio Converter, all supported formats can be converted without downloading any more codec. Run RER Audio Converter.

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Click the upper Browse... button to select the AVI file which you'd like to convert. Browse for the necessary AVI file in the opened Windows Explorer Window. Click Open button next to the filename of the Windows Explorer Window to load the AVI file to AVI to 3GP audio converter shareware. Make sure before clicking you have selected an AVI file that you want to convert. You may also click + button or use drag-and-drop to add multiple AVI files.

Audio Video Interleave, known by its acronym AVI, is a multimedia container format introduced by Microsoft in November 1992 as part of its Video for Windows technology. AVI files can contain both audio and video data in a file container that allows synchronous audio-with-video playback. Like the DVD video format, AVI files support multiple streaming audio and video, although these features are seldom used. Most AVI files also use the file format extensions developed by the Matrox OpenDML group in February 1996. These files are supported by Microsoft, and are unofficially called "AVI 2.0". There is slight overhead when used with popular MPEG-4 codecs (Xvid and DivX, for example), increasing file size more than necessary. The AVI container has no native support for modern MPEG-4 features like B-Frames. Hacks are sometimes used to enable modern MPEG-4 features and subtitles, however, this is the source of playback incompatibilities. AVI files do not contain pixel aspect ratio information. Microsoft confirms that "many players, including Windows Media Player, render all AVI files with square pixels. Therefore, the frame appears stretched or squeezed horizontally when the file is played back." There are other video container formats that allow irregular shaped pixels.

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Click TO 3GP button placed along on the top of the interface. It means you want to convert AVI to 3GP audio.

Click the drop-down list next to 3GP profile, you can select a preset profile for the output 3GP audio.

Click Edit... button to set more details, if you want to customize the parameters of your selected profile.

3GP/3G2(3GPP/3GPP2) stands for 3rd Generation Partnership Project and 3rd Generation Partnership Project 2 respectively. They are multimedia container formats used by mobile phones. 3GP Audio was designed to make file sizes smaller so mobile phones could support audio.

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Hit the big button of Convert, when you have finished the steps above. Then the AVI to 3GP audio converter shareware will start to convert AVI to 3GP audio. Now you've learned the whole thing on how to convert AVI to 3GP audio!

And the processing bar will show you how fast and where the .AVI to .3GP audio process is experiencing.

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