> The combination can, I dont think freqtweak can cross channels, but you > can feed through FT (in 4 channels) then tapiir. Infact I do :) So you run multiple instances of tapiir? It would be nice if tapiir would be a bit more flexible, with the number of input/output channels and the number delay lines configurable, and the gui generated accordingly. I'll keep it in mind... maarten