- Extension
- .amr
- .cvu
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Nokia
- Creative Labs
- 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.
- CVU file is a CVSD Unfiltered Audio. Continuously Variable Slope Delta modulation (unfiltered) is an alternative handler for CVSD that is unfiltered but can be used with any bit-rate.
- MIME Type
- audio/amr
- audio/x-cvsd
