Raphael Isdant wrote: > The ceammc library have a [system.exec] object which can run external > command in separate process with output for every OS. > hi, just tried it on PD 0.51.2 (64bit), Windows 7 i can't seem to load this library "C:\Program Files\Pd\extra\ceammc\ceammc.m_amd64: couldn't load" what is your system / PD version ? Best Oliver