To convert amr music online :

  1. Upload your amr file.
  2. Select your target format from conversion list.
  3. Enter a valid email address to get notified when the file is converted.

You can change your amr audio settings such as: audio bitrate, adjusting audio sampling rate, audio channels and audio cutter. Visit Online Audio Converter to know more about our online audio editor.

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AMR file extension

Online Audio Converter

What is AMR and how you can convert AMR file?

Our Free online audio converter allow you to convert your audio AMR ( Adaptive Multi-Rate Codec File ) format. Upload your AMR file and then select the format type you want to convert to, after the conversion is completed you can download the converted audio file instantly or by email.

Category:

AMR Extension

AMR file definition

AMR is a audio file format that is used to improve speech coding, it contains multi-rate narrowband speech codecs, it can also be recorded using cell phones. AMR format is used to attain random access or synchronization of audio and video. AMR can be converted with Filezigzag into other files to ease distribution and usage.

Technical details for AMR file

AMR files are able to encode 200-3400 Hertz signals from 4.74 - 12.2 Kilobits/ sec with good quality that begin at 7.4 kbit/s. This approach was adopted by 3GPP in 1999. It used link adaptation to select from 8 different bitrates. AMR files optimize link adaptation to elect the best codec available in order for it to be used with radio channels and capacity requirements. Good connection is required to prevent audio quality loss.

File extension

.amr

Developed by:

3rd Generation Partnership Project (3GPP)

Other AMR conversions

FileZigZag can convert AMR files to the following formats:

amr to aac
amr to aiff
amr to flac
amr to m4a
amr to mp3
amr to mmf
amr to opus
amr to ogg
amr to wav
amr to wma
amr to 7z
amr to zip


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