- Extension
- .amr
- .wv
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Nokia
- WavPack
- 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.
- Audio file compressed using WavPack Hybrid Lossless Compression; supports both lossy and lossless compression, which produces high-quality compressed files; the compression ratio is typically between 30% and 70%.
- MIME Type
- audio/amr
- audio/x-wavpack
