How to Convert AU to M4R Online?
Step 1
Upload AU File
Drag and drop the AU files that you want to convert.
Step 2
Convert AU to M4R
Click CONVERT to convert your AU file(s).
Step 3
Download Converted M4R
Click DOWNLOAD to save your converted M4R file(s).
Information about AU and M4R File Formats
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
File Extension
.m4r
M4R Converter
Description
M4R is a filename extension for AAC format, which is developed by Apple Inc. It is typically used to save custom iPhone ringtones from Apple iTunes. M4R can only be created from iTunes purchased songs and is usually DRM protected. It can open on iTunes, VLC Media Player, Apple QuickTime Player, and more.
Associated Programs
VLC Media Player
Apple iTunes
Apple iTunes
Developed By
Apple Inc.
MIME Type
audio/x-m4r
Useful Link
AU to M4R 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