On Oct 14, 2014, at 5:57 , Enrico Weigelt, metux IT consult wrote: > unfortunately, this doest contain any spec on the 9p interface. The 9p interface is just 9p; there's nothing special for audio. Then audio(3) will answer your questions about what can be read from or written to each file. > by the way: does it have any support for delays timestamps, etc? audio(3) answers this (by omission). It describes what you can write to the files.