Popular formats

amr 

Opening amr files

Have a problem opening a .amr file? We collect information about file formats and can explain what amr files are. Additionally we recommend software suitable for opening or converting such files.

What is the .AMR file type?

The .amr file extension associates with the patented Adaptive Multi-Rate (AMR) format widely used in GSM (Global System for Mobile Communications) communications.

The AMR format originated in an effort to maintain sufficient speech quality under cellular interference. Its main purpose is to handle speech in a narrow bandwidth. The principle behind AMR is to adaptively change compression depending on the line conditions.

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Software to open or convert AMR files

You can open amr files with the following programs: