How to Convert M4B to AU Online?
Step 1
Upload M4B File
Drag and drop the M4B files that you want to convert.
Step 2
Convert M4B to AU
Click CONVERT to convert your M4B file(s).
Step 3
Download Converted AU
Click DOWNLOAD to save your converted AU file(s).
Information about M4B and AU File Formats
File Extension
.m4b
M4B Converter
Description
M4B is an audio filename extension for AAC format, which is developed by Apple Inc. It is mainly used on podcast and audiobook files. Typically, M4B files contain audio and other metadata like images, hyperlinks, and chapter markers. M4B files are DRM copy-protected and can be opened on Apple iTunes and QuickTime Player.
Associated Programs
Apple iTunes
Apple QuickTime Player
Apple QuickTime Player
Developed By
Apple Inc.
MIME Type
audio/x-m4b
Useful Link
File Extension
.au
AU Converter
Description
AU is an audio format standard in early web pages NEXT systems. It is also called u-law or Sparc-audio format. Typically, AU files can store audio data and annotation blocks. Initially, it was a headerless audio format, but newer versions have a header, thanks to the six unsigned 32.bit words.
Associated Programs
Audacity
Developed By
Sun Microsystems
MIME Type
audio/au, audio/x-au
Useful Link
M4B to AU conversion quality rating:
4.9
(162,357 Votes)
You have to convert and download at least 1 file to rate!
We’ve already converted xxx ,xxx
,xxx files with a total size of
10,124 TB