- Extension
- .ra
- .amr
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- RealNetworks
- Nokia
- Description
- RealPlayer created RA for audio streaming. It makes use of various audio codecs from those that deliver high-fidelity sounds to those that record low bitrate audio data. Radio stations mainly used it for online streaming, but current formats have overthrown it.
- 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.
- MIME Type
- audio/vnd.rn-realaudio
- audio/amr
