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Ambisonics Externals for Max/MSP and Pd


Several MaxMSP and Pd libraries for ambisonic encoding decoding and manipulating have been announced lately. Below are announcements of four different libraries by jasch at ICST Dave Malham and Matt Paradis (Music Research Centre University of York) Thomas Musil and Markus Noisternig (IAEM) and David Wakefield.

ICST releases Ambisonics Externals for Max/MSP

The Institute for Computer Music and Sound Technology ICST of the Zurich School of Music Drama and Dance is proud to announce the release of a set of externals for Max/MSP for Ambisonics surround sound processing.

These externals are the result of research and practise using Ambisonics since 2000 and have been tested and used in numerous concerts compositions and installations.

The ICST releases these externals under the terms of the GNU Lesser General Public License (LGPL).
For more information regarding this license go to

This release comprises four objects for surround sound processing and source-control in three dimensions:

This release has been developed and tested on Mac OS 10.400 (Tiger) and Max/MSP 4.5.x

The DSP-objects have also been compiled and tested under Windows XP SP2 and Max/MSP 4.5.×. Due to the considerable task of porting the GUI object to Windows this release for Windows contains only the audio-objects.

The files can be downloaded from:

We hope you’ll enjoy them!

Jan Schacher
Philippe Kocher

Zurich School of Music Drama and Dance
Institute for Computer Music and Sound Technology

Baslerstrasse 30
CH-8048 Z├╝rich
Telephone ++41 43 305 45 00


Ambisonic externals for both PD and Max/MSP

As part of our continuing efforts to make Ambisonic technology
available to all my colleague Matt Paradis has ported the
functionality of our first order VST Ambisonic plugins to both PD
and Max/MSP externals for both PC and Mac. The first release of
these can be download from

Dave Malham

Experimental Officer
Music Research Centre
Department of Music
University of York


BIN_AMBI (A library for binaural sound reproduction in Pure Data)

A library for the use with Miller Puckettes open source computer music software PD (pure data) is presented. The library is downloadable for free and you can use it under the terms of GNU General Public License.
The theory that forms the basis of the propsed library is an improved Virtual Ambisonics Approach. Using this approach provides a computationally efficient implementation of virtual environments with

The proposed library provides a simple API (application programmers interface) to make it easy to use for scientific as well as artistic projects.


Ambisonic externals for Max/MSP by Graham Wakefield

Max/MSP externals for Ambisonic encoding rotating and decoding up to 3rd order for two or three dimensional speaker arrays.

More info and download here.


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