It depends on the type of USB audio device. USB MIDI devices, for example, use bulk transfers because they need reliable communications to handle things like sy

It depends on the type of USB audio device. USB MIDI devices, for example, use bulk transfers because they need reliable communications to handle things like sysex sends. Additionally, Ethernet, through the AVB suite [1] does have time reservation, synchronization, and other things that are very useful in dealing with realtime data. [1] https://en.wikipedia.org/wiki/Audio_Video_Bridging https://en.wikipedia.org/wiki/Audio_Video_Bridging