This standard describes a protocol for the transmission of audio and music data over IEEE Std 1394-1995 or later. This includes the transport of IEC 60958 digital format, raw audio samples, and MIDI data.

This protocol can be applied to all modules or devices, which have any kind of audio and/or music data processing, generation and conversion function blocks. This specification deals only with the transmission of audio and music data; the control, status and machine readable description of these modules or devices should be defined outside of this specification according to each application area.