On 7/15/13, Alex <doenerbudenchef at yahoo.de> wrote: > I want to have these part... > > -filter_complex amerge,volume=15.8dB > > ...splitted in two seperate parameters as I wrote in my first post: > > -filter_complex amerge -af volume=15.8dB > > But this doesn't work! For good reason. You can't use both of them at same time.