- Extension
- .amr
- .tta
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Nokia
- True Audio Software
- 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 with the Free Lossless True Audio codec (TTA); supports compression of multichannel 8, 16, and 24-bit .WAV data; compresses the original audio data with compression ratios of 30-70 percent.
- MIME Type
- audio/amr
- audio/x-tta
