Conversion Formats

Convert AU to SPX

Convert Sun Microsystems AU files to Speex

Sun Microsystems AU files
Audio Read Write
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.
Speex
Audio Read Write
An SPX file is a Speex audio file saved within an Ogg Vorbis container. Speex is an open source patent-free audio format designed for speech compression. It supports variable bitrate (VBR) encoding and several features not found in other audio codecs. Some examples include embedded encoding, intensity stereo encoding, and voice activity detection.
Supported: Conversion from AU to SPX is listed.

View AU details View SPX details ← Back to all formats