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# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

.AMR File Extension

NEW: Open .AMR files for FREE with File Viewer

Adaptive Multi-Rate Codec File Icon
File TypeAdaptive Multi-Rate Codec File
DeveloperN/A
Popularity
3.5 (34 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryAudio Files
File Format Description

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.

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
Updated 8/19/2014