Circular Banded Waveguide Help

rampartisan's icon

Hi guys, I am attempting to model a wineglass using circular banded waveguides, as explained in this paper
http://imi.aau.dk/~sts/publications/dafx02bowl.pdf
in figure 12 there is a block diagram.

Max Patch
Copy patch and select New From Clipboard in Max.

here is my patch attempting to the first three modes of a wineglass, the decay values havent been properly modeled yet.

I have managed to get what I think is right, but I have been trying to work these out for so long I'm not sure anymore. If someone could take a look for me it would be appreciated, as I'm not sure how to go forward.

brendan mccloskey's icon

Sounds damn good to me mate! Could you clarify the exact problem a bit more?

Brendan

[edit]
Waveguide synthesis isn't really my bag sadly

rampartisan's icon

The patch isnt that clean so its hard to see, but the outputs of the waveguides arent feeding back into the source like the diagram in the paper. When they are connected back up I get horrible feedback. It sounds right...so I guess its right?

So many combinations of waveguides has left me questioning myself

Wetterberg's icon
Max Patch
Copy patch and select New From Clipboard in Max.

I certainly am having a little fun with feedback here - did a little edit: