format filter bank/string filter

[jhaible]

> Thanks for this... this explains why everyone uses three delay chips.
Except
> guitar effects who seem to get away with just one. But I have another
> question that follows on from that. What sort of delay should we be going
> for? 5mS or longer? Or does it really matter so long as you can enough FM
on
> the signal. I understand for flanging and phasing, the delay really does
> make a diference but for FM what are the criteria we are after?

Yes, only FM.
I think Flanging is something not desired here.
Don't know delay times, but I've seen both 256-stage and 512-stage BBDs for
this.

JH.