ConverterFactory is a free & online convert MP4 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.
MP4 is a digital multimedia container file format. It is most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. It is based on the Apple QuickTime container format and is part of the MPEG-4 standard developed by the Moving Picture Experts Group.
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 mp4 documents, we need to choose a computer, mobile phone, PAD comes with Chrome, Edge, Safari and other browsers, and enter https://converterfactory.com/mp4-to-au website to open the mp4 to au conversion page.
STEP 1
Choose MP4 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