Greetings, A brief demonstration of Jean-Pierre Lemoine's implementation of the Csound waveguide filter in AVSynthesis : https://soundcloud.com/davephillips69/an-avsynthesis-csound For those not on the cloud : http://linux-sound.org/audio/avs-waveguide-demo.mp3 http://linux-sound.org/audio/avs-waveguide-demo.ogg Best, dp