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Adaptive Multi-Rate compressed audio
File type: Mobile ringtone file, Audio and sound file
Files with amr extension can be usually found as songs or music saved in Adaptive Multi-Rate compressed audio format. Playble in several media players, like VLC player. Also AMR format is supported by many mobile phones.
Found 2 different file type records with the same amr filename suffix.
File type category:
Mobile ringtone file
Audio and sound file
Date updated: July 13, 2025
File extension amr is commonly used audio files saved in Adaptive Multi-Rate compressed audio.
Adaptive Multi-Rate (AMR) is an audio data compression scheme optimized for speech coding. AMR was adopted as the standard speech codec by 3GPP in October 1998 and is now widely used in GSM. It uses link adaptation to select from one of eight different bit rates based on link conditions.
AMR is also a file format for storing spoken audio using the AMR codec. Many modern mobile telephone handsets will allow you to store short recordings in the AMR format, and some commercial programs exist to convert between this and other formats such as MP3, although it should be remembered that AMR is a speech format and is unlikely to give ideal results for other audio.
MIME types:
audio/amr
You can use any media player such as RealPlayer or Apple QuickTime to play .amr audio file.
Many mobile phones also support AMR file format.
Many audio converters support AMR format and can convert the files to plenty of other multimedia files, including MP3, WMA, WAV, AMR, OGG, 3GP, MP4, FLV.
Software applications that can open amr files:
Microsoft Windows
Software applications that can edit amr files:
Microsoft Windows
Apps designed for playing amr files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software apps that convert amr files:
Microsoft Windows
Apple macOS / Mac OS X
Software apps that import amr files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software apps that export amr files:
Apple macOS / Mac OS X
File type category:
Various data file
Date updated: January 10, 2019
The amr file extension is associated with BrainVoyager QX and used for files that contains a stack of anatomical slices, which are typically coplanar ("inplane") with corresponding functional data sets (*.fmr files).
Use compatible tools to work with *.amr files.
Probably cannot be converted to other formats.
Software applications that can open amr files:
Multiplatform
Software apps that create amr files:
Multiplatform
Software applications that handle other tasks involving amr files:
Multiplatform
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