- Extension
- .amr
- .weba
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Nokia
- Initially On2, Xiph, and Matroska; later Google
- 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.
- This is a WebM audio/video compressed file.
- MIME Type
- audio/amr
- audio/webm
