wahwah~ Wahwah~ is a signal based filter and is useful for dynamic filtering, although it is more costly than the other two filter objects in MAX: f2p~ [2pole~] and f2p2z~ [2p2z~].	from the library : ISPW Compatibility Library Format : External Environment : max / msp freeware Max 3.x / 4.x http://forumnet.ircam.fr//rubrique.php3?id_rubrique=65