Home : File Types : AMR File

.AMR File Extension

NEW! Open .AMR files for FREE with File Viewer Lite.

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.


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.

Program(s) that open .AMR files
Microsoft Windows LogoWindows
File Viewer Lite
Microsoft Groove Music
Apple QuickTime Player
RealNetworks RealPlayer Cloud
ArcSoft TotalMedia Theatre
VideoLAN VLC media player
Mac OS X LogoMac
Apple QuickTime Player
RealNetworks RealPlayer Cloud
ShedWorx Smart Converter
VideoLAN VLC media player
Linux LogoLinux
VideoLAN VLC media player
Updated 9/17/2015