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Convert m4b to amr

  1. Download and install the latest version of Filestar.

  2. Right click on one or more M4b file(s) on your desktop and select Convert with Filestar.

  3. Type convert to amr in the search box.

  4. Press Convert.

What is the difference between .m4b and .amr?

Name
MPEG-4 Audio Book File
Adaptive Multi-Rate Codec File
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

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