What is an amr file and how do I open an amr file?
The AMR file extension is a data format associated to Adaptive Multi-Rate audio codec. AMR files and Adaptive Multi-Rate audio codec were developed by 3GPP. These files are compressed audio format designed to efficiently compress human speech audio without sacrificing highest quality of speech clarity. They are used by many 3G cell phones for voice recordings such as MMS messages. They incorporate techniques such as Algebraic Code Excited Linear Prediction (ACELP) compression, Discontinuous Transmission (DTX), voice activity detection (VAD) and comfort noise generation (CNG).To play ARM files, it requires having an ARM player. ARM player is freeware and playing ARM file can be done by adding the file to the main interface and clicking on “play” to decode it. Files in AMR format can be opened with Apple QuickTime Player, RealNetworks RealPlayer, MIKSOFT Mobile Media Converter and VideoLAN VLC media player in Mac Os , Microsoft Windows-based systems and Linux systems.
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Detail amr file extension information:
File Format: Adaptive Multi-Rate Codec File
Primary Association: Compressed Audio Files
Mime Type: audio/AMR
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