DIGITAL AUDIO SYSTEM

摘要

A method and system for limiting transmission to a single operator is provided. The system and method determines if another user in the audio system is currently transmitting before allowing a new transmission from another user to proceed. This assures that the only one member of the vehicle crew can transmit at a time, limiting the opportunity for outputs from multiple users to garble the transmission. In another embodiment of the present invention, a system and method are provided that allows for the transmission of aural warning on a digital bus. The system and method allows different types of warnings to be delivered to vehicle crew members throughout the vehicle. This facilitates efficient and reliable distribution of warnings to remote crew members. In another embodiment of the present invention, a system and method are provided that notifies the user of an audio system when all outputs of the audio system have been disabled. This provides warnings to those users who may otherwise be unaware that the system outputs have been disabled.