- Extension
- .amr
- .prc
- Format
- Binary
- Binary
- Category
- Audio
- 3D
- Developer
- Nokia
- Adobe Systems
- 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.
- File created in the Product Representation Compact (PRC) format, which is used to represent 3D models and assemblies; contains product structure, geometry, and product manufacturing information (PMI); stores data in a highly compressed format.
- MIME Type
- audio/amr
- application/x-prc
