What is the difference between .m4b and .amr?
- Extension
- .m4b
- .amr
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Apple
- Nokia
- Description
- It is an audiobook file compressed using .AAC algorithm based on MPEG-4 container format. It is similar to .M4A file but its denoted as an audiobook and supporting audio players can bookmark 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/x-m4a
- audio/amr
- Sample
- sample.m4b
- sample.amr
- Wikipedia
- .m4b on Wikipedia
- .amr on Wikipedia