troooba is a generative music and sound app. It has a variety of preset modes that are updated periodically and will play as long as you want without ever repeating. troooba does NOT use artificial intelligence, it uses real intelligence instead. This app also does NOT stream audio from a remote server. It has a … [Read more…]


In 2021 I completed a Java based sound library for Processing called Pd++ for Processing 3, or Pd4P3.  It is based on my Pd++ library  (resler / pd — Bitbucket) which is a C++ library based on the signal processing object code from Pure Data. The library source code lives here: robertesler/Pd4P3: ( You can … [Read more…]

conText: An ElectroAcoustic Music Concert

conText was a concert program that I presented with several other collaborators at the following times and locations: Sept. 6th @ 7pm at ASU West’s Art Gallery Sept. 14th @ 7:30pm in the GCC Performing Arts Center My collaborators were with the Phoenix duo known as Pincushioned which consists of Dr. Doug Nottingham (GCC and … [Read more…]

Coyote Anthropophony

This project was an exploratory collaboration artist with Lauren Strohacker and urbanSTEW.   The Coyote Anthropophony was an investigation into the role of the coyote in the urban landscape.  Moreover, we were exploring the various social connections the animal has with its surroundings.  Lauren was selected for the Scottsdale Public Art Creative Residency and this project … [Read more…]


I once used the Cordova framework to create a simple app for a client.  It seemed like having a Cordova plugin to run Pure Data patches would be interesting.  It uses the libpd backend with a Cordova plugin wrapper. It lives here: There are also some GUI objects made in Javascript in the style … [Read more…]

Animal Companion – Heard Museum Exhibit

  Animal Companion was an exhibit at the Heard Museum for their Super Heroes exhibit from May 2015 to August 2015.  The basic idea was to incorporate five animals that are significant to several native tribes in Arizona into an interactive media installation. The installation was created by my arts collective urbanSTEW.  Our design concept … [Read more…]

Cetus Square

Cetus Square is a generative, ambient music and soundscape application. The music this application creates will never repeat, and will never end until you say so. In the background you may hear whale-like sounds (i.e, the constellation Cetus), these are all generated too. None of the sounds you are hearing are recorded, which means you … [Read more…]


  Pd++ is a C++ audio synthesis library.  It is based on the C code of Pure Data.  Pd++ implements Pd objects as C++ classes.  It is an open source library with a simplified BSD license.  For more information, documentation or download go to: UPDATE:  There is now a project that shows how to … [Read more…]

libpd Xcode projects

I have created two projects based in Xcode for Mac OS 10.8.  They use the libpd audio synthesis library which in my opinion is the best sounding and easiest to use audio synthesis library I am aware of.  The first project uses only C.  I took the libpd C example and added an audio port using … [Read more…]