- Extension
- .amr
- .dj
- Format
- Binary
- Text
- Category
- Audio
- Document
- Developer
- Nokia
- John MacFarlane
- 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.
- Djot is a lightweight plain-text markup language designed as a faster, simpler alternative to Markdown with unambiguous syntax rules. It is used for writing documents that can be converted to formats like HTML, PDF, or others. The .dj extension marks plain text files written in this syntax.
- MIME Type
- audio/amr
- text/x-djot
