Structured Audio Orchestra Language

Structured Audio Orchestra Language (SAOL) is an imperative, MUSIC-Nprogramming language designed for describing virtual instruments, processingdigital audio, and applying sound effects. It was published as subpart 5 of MPEG-4 Part 3 (ISO/IEC 14496-3:1999) in 1999.

As part of the MPEG-4international standard, SAOL is one of the key components of the MPEG-4 Structured Audio toolset, along with:

• Structured Audio Score Language (SASL)
• Structured Audio Sample Bank Format (SASBF)
• The MPEG-4 SA scheduler
• MIDI support