Convert M4R to AVI
Convert your M4R files to AVI online
M4R: the ringtone file used in Apple iOS
The M4R format is used in Apples mobile devices, mostly for storing ringtones. You can create an M4R file by converting other formats or downloading it from the official iTunes store. The sound conversion employs a special type of compression, which significantly reduces the file size. The advantages of this format make it ideal for iPhone owners. M4R is one of the constituents of the standardized MPEG-4 format. One of its strong points is that the high sound quality is fully preserved after compression.
Audio Video Interleave: video and audio data compressed using different combinations of codecs
This is one of the most famous video and audio formats. Developed by Microsoft Corporation, the Audio Video Interleave format was released in 1992. It is supported by virtually all video players. AVI plays the sound and video simultaneously and is suitable for any browser. The compression process involves a variety of codecs. This format is very popular among users. Audio Video Interleave files can also be opened using Windows Media Player.