What is the difference between .amr and .au?
- Extension
- .amr
- .au
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Nokia
- Audacity
- 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 created by Audacity, a free, cross platform audio editor; uses a proprietary format that can only be opened by Audacity; saved as one of multiple audio data files for an Audacity project (.AUD).
- MIME Type
- audio/amr
- audio/basic
- Sample
- sample.amr
- sample.au
- Wikipedia
- .amr on Wikipedia
- .au on Wikipedia