Roman Haefeli wrote: > btw: is [vcf~] the only known filter with a signal-frequency-inlet? No, as I wrote there is also [filter~] and all the IEM abstractions that use it. More details on my own PD filter issues forthcoming ;-) d. -- derek holzer ::: http://www.umatic.nl ---Oblique Strategy # 91: "Infinitesimal gradations"