- Extension
- .amr
- .ircam
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Nokia
- Institut de Recherche et Coordination Acoustique / Musique
- Description
- An AMR file is an audio file saved in a compressed audio format developed by Ericsson. It is used by many 3G cell phones for voice recordings such as MMS messages. AMR files incorporate the Algebraic Code Excited Linear Prediction (ACELP) algorithm, which is designed to efficiently compress human speech audio.
- IRCAM SDIF (Institut de Recherche et Coordination Acoustique/Musique Sound Description Interchange Format). Used by academic music software such as the CSound package, and the MixView sound sample editor.
- MIME Type
- audio/amr
- audio/x-ircam
