http://sound.media.mit.edu/mpeg4/ Technical information and developer resources. http://www.cs.berkeley.edu/~lazzaro/sa/index.html Provides tutorials, downloads, manuals, and links related to the MPEG-4 audio compression algorithm. http://qorchestra.sourceforge.net/ Non-realtime visual authoring tool for SAOL, the MPEG-4 Structured Audio Orchestra Language. It is the first environment to offer FlowML compatibility. http://www.audiomulch.com/sa/ From the writer of AudioMulch, the free soundsynthesis software. He shares some information about SA, including some interesting Quick References. http://www.saol.net/ Contains various resources, news items, and links relating to Structured Audio, a part of the upcoming MP4 standard. http://lsiwww.epfl.ch/saog/ The main goal of the SAOG is to support the public need for open-source implementations of the MPEG-4 Structured Audio (SA) tools and applications that make use of them. http://www2.hku.nl/~perry/saol/ An open source Windows GUI for SAOL. Compatible with any compiler conforming to MPEG4 Structured Audio Format.