On Nov 30, 2006, at 1:47 PM, John Pitcairn wrote: > --- In logic-users@yahoogroups.com, "Trevor Gilchrist" <trevor@...> > wrote: > > IAC only has one bus. > > But it's a two-ended bus, not just a source or destination. Logic will > also receive anything sent to it (Logic listens to all ports), so if > the sending instrument is the selected track in the Arrange, you have > a loop. > > Block the IAC port outlet at the environment Physical Input (cable to > dead-end monitor or such). This will prevent messages from the IAC bus > reaching the Arrange. > > Note that if you're using Logic Express, you're screwed - there's no > way to block one port. In this case, MIDIPipe should be used rather > than IAC. > > John Pitcairn > > ---------------------------------------------------------- > LC Xmu Logic/Mackie Control emulation & management, > LC Xview software LC/MC display, Logic environments & stuff... > Opus Locus - http://www.opuslocus.com > ---------------------------------------------------------- > > > John, you are my hero. That was the problem, plain and simple. I had no idea. Blocking the port, eh? Who knew? Thanks again. Many thanks, Trevor Gilchrist -------------------------------------------------------------- 2D & 3D Motion Graphics for TV and Film Film & Commercials Scores -------------------------------------------------------------- trevor@fiveshortstories.com -------------------------------------------------------------- Film music: http://www.trevorgilchrist.com Commercials music: http://www.thirtysecs.com --------------------------------------------------------------