AMR Player – AMR format of audio file player & converter

AMR (Adaptive Multi-Rate) is the most widely used, compact voice standard in the mobile communication systems (its audio file size per second can be controlled at about 1KB). It was known as the most common saving format for mobile phone audio recording (including old-fashioned ringtone formats) and widely recognized by each big mobile phone manufacturer. At the same time, it is also the only audio format that implemented loading vocals in the MMS.