- Extension
- .amr
- .wve
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Nokia
- Psion
- 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.
- Psion 8-bit A-law. Used on Psion SIBO PDAs (Series 3 and similar). This format is deprecated in SoX, but will continue to be used in libsndfile.
- MIME Type
- audio/amr
- audio/x-pn-wave
