Electro-Harmonix introduced a couple new envelope filter pedals today. The Riddle and the Enigma. The Riddle pedal is tuned for guitar and the Enigma pedal is tuned for bass. See the EHX videos below for more details on the new pedals.
Riddle – Envelope Filter for Guitar – by Jack Conte
[youtube LdSf6RhQY-I 440 270]
Enigma – Envelope Filter for Bass – by Jack Conte
[youtube CrmrA0LwEUk 440 270]