vAudio.dll incudes the mpglib, libogg , libvorbis and libFlac.

mpglib Copyright(c) 2004 Michael Hipp.
libogg Copyright (c) 2002, Xiph.org Foundation.
libvorbis Copyright (c) 2002-2008 Xiph.org Foundation.
libFlac Copyright (c) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson 

Thanks for creating the useful library!