Hi Saeed, > 1-Well i just like to aks that is there any HOWTO or tutorial for >Gephex for making animation or effects with the live sound feed. > > there is somes (very old) examples here : http://demos.314r.net/gephex/exemples_fr_07072004/readmeus.htm and specially for your question look at 'mixsoundcontrol' example pierre