Thanks for the tip audacity 1.2. But I think it's GUI-based and so NOT very useful for me - as I'm blind... :-) Kindest regards Julien Julien Patrick Claassen jclaassen@xxxxxx julien@xxxxxxxx http://www.geocities.com/jjs_home SBS C-LAB Fuerstenallee 11 33102 Paderborn Phone: (+49) 5251 60 6060 Fax: (+49) 5251 60 6065 www.c-lab.de