AMR is a codec that is widely used for speech and sound recording on 3G (third-generation) mobiles devices.
Based on AMR, AMR-WB (Adaptive Multi-Rate Wideband) is developed. This post will focus on the information about AMR and provide you the tool if you need to convert AMR to MP3 on Mac.ĪMR stands for Adaptive Multi-Rate sound codec, which is firstly developed by Ericsson. When you are using your cellular device to record sound or voice, there are chances that the recorded files will be generated in AMR format (Adaptive Multi-Rate sound codec).
