ตัวแปลงไฟล์ออนไลน์ฟรี AU เป็น W64

AU is a file extension for a sound file format belonging to Sun, NeXT and DEC and used in UNIX. The AU file format is also known as the Sparc-audio or u-law fomat. AU files contain three parts: the audio data and text for a header (containing 24 bytes) and an annotation block.

Sonic Foundry’s 64-bit RIFF/WAV format.