thanks for the suggestion Patrice.
I was trying something with expr~.
I find it hard to achieve the same accuracy as bonk~
also, I think that the crackles must be caused by something further downstream in my patch, where the bonk~ objects' bangs get sent to...


2010/4/9 <colet.patrice@free.fr>
 for detecting levels with periodic signals, using [env~] and messaging system seems to make it, like attached example