Convert RMVB to M4A online, for free.
RealMedia Variable Bitrate (RMVB) is an extension of the RealMedia multimedia container format. It uses variable bitrate (VBR) compression, which means that it adjusts bandwidth depending how difficult or easy it is to compress a segment of the multimedia content, such as high-action versus low-action scenes.
RealPlayer supports playback of RMVB files in Windows, Mac OS X, and Linux. Since RealNetworks developed RMVB, RealPlayer is the default platform for this file type. It is available as a free download and is easy to use. It supports captions, subtitles, and streaming.
Other software that can open RMVB files include VLC media player and ALLPlayer, which are both free. Keep in mind that RMVB is proprietary and relatively uncommon; used mostly for playing files locally instead of streaming over the Internet.
Developed by: RealNetworks
Initial release: 2010
MPEG 4 Audio (M4A) compresses and encodes audio files by using one of two coder-decoder algorithms: Advanced Audio Coding (AAC) or Apple Lossless Audio Codec (ALAC). M4A files are smaller in size while simultaneously better in quality than MP3 files, with which it shares the most similarities, in comparison to all other audio file formats.
M4A files open in most well-known, audio-playback programs, including iTunes, QuickTime, and Windows Media Player. For Apple users, iTunes is the default program to open M4A files. For Windows users, the default program is Windows Media Player. Users can also preview M4A files by highlighting the file and pressing the spacebar.
Initial Release: 2001
FreeConvert.com can convert your other files to M4A format:
FreeConvert.com can convert your RMVB files to these other formats:
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