With Filestar you get 129 different skills for working productively with Adaptive Multi-Rate Codec File (.amr) files.
About .Amr
Name
Adaptive Multi-Rate Codec File
Extension
.amr
Format
Binary
Category
Audio
Developer
Nokia
Description
An AMR file is an audio file saved in a compressed audio format developed by Ericsson. It is used by many 3G cell phones for voice recordings such as MMS messages. AMR files incorporate the Algebraic Code Excited Linear Prediction (ACELP) algorithm, which is designed to efficiently compress human speech audio.