You can run DirectShow Filters for Ogg Vorbis, Speex, Theora a on Windows operating systems. DirectShow Filters for Ogg Vorbis, Speex, Theora a is a software product developed by illiminable.com and it is listed in the category. DirectShow Filters for Ogg Vorbis, Speex, Theora a is a free software product and it is fully functional for an unlimited time although there may be other versions of this software product.