MPEG-4 Structured Audio
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MPEG-4 Structured Audio is an ISO/IEC standard for describing sound. The sound descriptions generate audio when compiled (or interpreted) by a compliant decoder. MPEG-4 Structured Audio consists of several components, most notably an audio programming language called SAOL. SAOL is historically related to Csound and other so-called Music-N languages. It was created by an MIT Media Lab grad student named Eric Scheirer while he was studying under Barry Vercoe during the 1990s.