Xiph logo

libao 1.0.0 released

libVorbis 1.3.1 released

vorbis-tools 1.4.0 released

Xiph.Org announces the release of libao-1.0.0, libvorbis-1.3.1 and vorbis-tools-1.4.0. This is a coordinated update of the audio libraries and tools to deploy improved surround-sound support across the libraries and toolchain.

libao improvements

libvorbis improvements

libVorbis 1.3.0 was briefly available as an unreleased staging snapshot. This official release bumps the version number to 1.3.1 to avoid any possible confusion.

vorbis-tools improvements

vorbis-tools 1.4.0 is the first official release of vorbis-tools since 1.2.x. 1.3.x was never offered as an official snapshot, though various versions were widely deployed as patch-sets by distributions.


The libao 1.0.0 release is available from http://downloads.xiph.org/releases/ao/

The libvorbis 1.3.1 and vorbis-tools 1.4.0 releases are available from http://downloads.xiph.org/releases/vorbis/

Happy hacking!


The Xiph.Org Foundation is a not-for-profit corporation dedicated to open, unencumbered multimedia technology. Xiph's formats and software levels the playing field for digital media so that all producers and artists can distribute their work for minimal cost, without restriction, regardless of affiliation. May contain traces of nuts.