AMR
– Adaptive Multi-Rate Codec FileAMR files are compressed audio files which are often used by cell phones. This files can contain voice recordings or voicebox messages for example. The format was developed by Ericsson.
AMR ConverterAMR to M4A Converter
CloudConvert converts your audio files online. Amongst many others, we support MP3, M4A, WAV and WMA. You can use the options to control audio quality and file size.
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Formats involved
M4A
– MPEG-4 Audio LayerM4A is an audio file format that is very similar to MP4. It is a proprietary file format of Apple. iTunes store contains the audios as M4A format. It uses MPEG-4 codec to contain audio files. One of the basic differences between M4A and MP4 is M4A does not contain videos like MP4.
M4A Converter