The AMR format
An AMR file is a compressed audio file. The AMR stands for Adaptive Multi-Rate Codec and the file extension used is *.amr . This type of files is commonly used on mobile phones to create ringtones or MMS.
How to read an AMR file?
There are many players that support the AMR format, including:
A mobile app to convert AMR files: Mobile AMR Converter
Original document published on CommentcaMarche.net