Description

This patch is based on research and MaxMSP code by Julian Parker and Stefano D’Angelo

Paper supporting this code - A Digital Model of the Buchla Low Pass Gate

http://www.acoustics.hut.fi/publications/papers/dafx13-lpg/DAFx2013-LPG.pdf

Audio samples, an MXF file, and source:

http://www.acoustics.hut.fi/publications/papers/dafx13-lpg/

Operates as a low pass gate or a low pass filter.

Notes

2 devices are involved;

1. a MIDI device sends a ping (select destination)

2. a low pass gate receives the ping and processes the audio.(select source)

Demo - https://youtu.be/Afb8RcF7rBA

There is a modified version of this available here https://maxforlive.com/library/device/5139/buchla-style-low-pass-envelope-follower

Updates

1.1 - refined VCAness response (thanks zip)