But AMR doesn't work with multimedia-handled devices, so you need a converter to play the audio files.Īlthough people who use desktop programs like RealPlayer can access AMR files, it's troublesome for other users. Most smartphones with 3G technology support AMR file format to record audio files. Get Free AMR To MP3 Converter alternative downloads.AMR or Adaptive Multi-Rate Audio codec is a data compression file format for accumulating human audio.

Trusted Windows (PC) download Free AMR To MP3 Converter 2.0.

Find the created MP3 files in iTunes, click the three dots. Open the MPEG-4 audio file with iTunes, then go to File Convert Create MP3 Version. Go to File Export as Audio only, to save AMR as MPEG-4 audio file. Right click on AMR file and open with QuickTime Player.

Check Out: Convert AMR to MP3 on Mac for Free with QuickTime & iTunes.

VLC media player, MPlayer, Winamp, foobar2000.

For example, an MP3 file created using the setting of 128 kbit/s will result in a file about 1/11 the size of the CD file created from the original audio source.Īudacity, FFmpeg, MPlayer, QuickTime, VLC media player Lossy compression is designed to reduce significantly the amount of data required to represent the audio recording and still sound like a faithful reproduction of the original uncompressed audio. Sampling frequency 8 kHz/13-bit (160 samples for 20 ms frames), filtered to 200-3400 Hz. It is a common audio format for consumer audio streaming or storage and a de facto standard of digital audio compression for the transfer and playback of music on most digital audio players.ĪMR speech codec consists of a multi-rate narrowband speech codec that encodes narrowband (200-3400 Hz) signals at variable bit rates ranging from 4.75 to 12.2 kbit/s with toll quality speech starting at 7.4 kbit/s. MPEG-1 or MPEG-2 Audio Layer III, more commonly referred to as MP3, is an audio coding format for digital audio that uses lossy data compression. AMR was adopted as the standard speech codec by 3GPP in October 1999 and is now widely used in GSM and UMTS. The Adaptive Multi-Rate (AMR or AMR-NB or GSM-AMR) audio codec is an audio compression format optimized for speech coding. The AMR format is a compression format used to code voice that is generally used by mobile phones. It wasn't difficult to guess if you read its name! Convert from your AMR to MP3. AMR to MP3 Converter is a free tool that does exactly this.

Whenever you need to convert an AMR format file to MP3, you'll need the invaluable help of a capable tool.

Amr to mp3 for mac free