A-one 3GP Video Convertor 4.36 - User Guide and FAQ

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Frequently Asked Questions - A-one 3GP Video Convertor

1. What is AVI?
   AVI stands for Audio Video Interleave. It is a special case of the RIFF (Resource Interchange File Format). AVI is defined by Microsoft. AVI is the most common format for audio/video data on the PC. AVI is an example of a de facto (by fact) standard.
   
   
2. What is ASF?
   The Advanced Systems Format (ASF) is the file format used by Windows Media. Audio and/or Video content compressed with a wide variety of codecs can be stored in an ASF file and played back with the Windows Media Player (provided the appropriate codecs are installed), streamed with Windows Media Services or optionally packaged with Windows Media Rights Manager.
   
   
3. What is WMV?
   WMV is a generic name of Microsoft's video encoding solutions and doesn't necessarily define the technology what it uses -- since version 7, WMV (Windows Media Video) Microsoft's proprietary compression format for motion video, Windows Media Video is used for both streaming and downloading content via the Internet.
   
   
4. What is MPEG?
   MPEG (pronounced M-peg), which stands for Moving Picture Experts Group, is the name of family of standards used for coding audio-visual information (e.g., movies, video, music) in a digital compressed format. The major advantage of MPEG compared to other video and audio coding formats is that MPEG files are much smaller for the same quality. This is because MPEG uses very sophisticated compression techniques. Current standards that exist include, MPEG-1, MPEG-2, MPEG-3, and MPEG4. MPEG-1 is a standard for CD-ROM video and audio.MPEG-2 is a standard for full-screen, broadcast quality video.MPEG-4 is a standard for video telephony.