ConverterFactory is a free & online convert M4A to AU file in the cloud, you can easily and quickly use our convert services via browser for PC, mobile or pad, and we also support convert of over 140+ audio, video, document, image and more file formats.
M4A is a file format for audio files encoded with Advanced Audio Coding (AAC) which is a lossy compression. It is a popular format for Apple products and is widely used for storing music and other audio data. M4A files are usually of higher quality than MP3 files and usually have smaller file sizes.
AU file format is a simple audio file format used by Sun Microsystems and other UNIX-based systems. It is an uncompressed audio file format which stores audio data in a linear PCM format. It is used for a variety of applications, including sound effects, music, voice recordings, and other audio data.
Before preparing to convert m4a documents, we need to choose a computer, mobile phone, PAD comes with Chrome, Edge, Safari and other browsers, and enter https://converterfactory.com/m4a-to-au website to open the m4a to au conversion page.
STEP 1
Choose M4A files to upload to ConverterFactory website for conversion
STEP 2
Select the target output AU format for conversion
STEP 3
Download the converted AU file