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.AMR File Extension

File TypeAdaptive Multi-Rate Codec File

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Rare Uncommon Average Common Very Common
CategoryAudio Files


This file is saved in a binary format, which requires a specific program to read its contents.

What is a AMR file?

Compressed audio format developed by Ericsson; used by many 3G cell phones for voice recordings such as MMS messages; incorporates the Algebraic Code Excited Linear Prediction (ACELP) algorithm, which is designed to efficiently compress human speech audio.

More Information

NOTE: AMR files may be saved in either the AMR-NB (Narrowband) or AMR-WB (Wideband) format. Wideband audio supports a broader frequency range and therefore provides better sound quality.

Open and view .AMR files with File Viewer Plus.
Programs that open AMR files
File Viewer Plus
Microsoft Groove Music
Apple QuickTime Player
RealNetworks RealPlayer Cloud
ArcSoft TotalMedia Theatre
VideoLAN VLC media player
Apple QuickTime Player
RealNetworks RealPlayer Cloud
ShedWorx Smart Converter
VideoLAN VLC media player
VideoLAN VLC media player
Updated 9/17/2015

.AMR Extension Information

This page contains information about the file extension AMR and its known file associations. Our goal is to help you understand what a *.amr file is and how to open it.

The Adaptive Multi-Rate Codec file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and do not publish any information we have not verified.

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