- Extension
- .amr
- .m2t
- Format
- Binary
- Binary
- Category
- Audio
- Video
- Developer
- Nokia
- Sony
- 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.
- High-definition video recording format used by many HD camcorders; commonly referred to as "HDV;" uses MPEG-2 compression to store HD video data on DV or MiniDV tapes; supports resolutions of 720p and 1080i.
- MIME Type
- audio/amr
- video/x-ms-wmv
