MyBino v1.5.1 by X-Audio
Binaural monitoring plug-in

The Center for Applied Mathematics of the Ecole Polytechnique (CMAP) offers this free binaural monitoring plug-in. Born out of a collaboration with sound engineers of the Conservatoire National de Musique et de Danse de Paris (CNSMDP), this dynamic binaural engine allows you to monitor various multichannel speaker setups.
This software uses HRTFs calculated with state-of-the-art interpolation techniques and various equalizations have been employed on those filters to seek the best compromise between timbre and externalization.

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Software

last update : 04/10/2017

Mac OSX (≥ 10.8)

.pkg

This .pkg file installs MyBino in VST, AudioUnit, AAX
and as a standalone Application

Windows (≥ 7)

.exe (x64)

This .exe files installs the VST version of MyBino only

Head-tracking

The devices listed below work with MyBino via the Open Sound Control (OSC) protocol.
Hedrot (for "head rotation tracker") is a low-cost (less than 40 euros) and efficient open-source hardware/software solution for head tracking especially suitable for binaural rendering. Developed by Alexis Baskind together with sound engineers J.-M. Lyzwa and J.-C. Messonnier. This head-tracker has been adopted by the CNSMDP due to its great ergonomics, reliability and speed.

... with smartphones ...

You can use the following smartphone apps as head-tracking devices. However their performances do not compete with hedrot's - in term of latency and calibration.
[Android] SmartRot is a free application for headtracking. Its main purpose is for binaural sound rendering (3D-Audio on headphones), especially compatible with MyBino. The application uses the three sensors of the phone to compute orientation angles (yaw pitch roll) and send them to the renderer through OSC protocol. Just set your computer local IP address and you’re good to go !
[iOS] GyrOSC is a lightweight utility app that sends iPhone motion sensors over your local wireless network to any OSC capable host application. It transmits the built-in gyroscope's raw data provided by the Core Motion framework of your device. In order to work with MyBino, it has to send the gyroscope/gyro message.

Demo

This video demonstrates some features of MyBino :
  • monitor a multichannel mix;
  • use several instances to deal with a bed + objects approach (4'48);
  • receive the head-tracking data from hedrot (6'27);
  • use the standalone version (7'22).

The audio contents used in this demonstration are part of the Mixage Fou #8 soundbank. It gathers recordings realized by Rodolphe Alexis, Timo Klinge and Eckhard Kuchenbecker.

You can find here the multichannel tracks provided by Mixage Fou :

Mixage Fou


Some Audio Contents

An effective binaural rendering also depends on the content you use. The CNSMDP offers here some object-based audio contents. Their expertise in 3D audio recording methods permits to produce well-suited audio content for object-based audio mixing. You can find here the multichannel pieces and experience them through MyBino.

A propos

Copyright (c) Ecole Polytechnique,
François Alouges, Matthieu Aussal, François Salmon, 2016.

This software was developped by the X-Audio team* :
François Alouges - Professor
Matthieu Aussal - Research Engineer
François Salmon - Sound Engineer

In collaboration with the CNSMDP* :
Alexis Baskind - Sound Engineer
Catherine de Boishéraud - Sound Engineer
Jean-Marc Lyzwa - Sound Engineer
Jean-Christophe Messonnier - Sound Engineer

Fundings :
CNRS - INSMI
Ecole Polytechnique - CMAP

* in alphabetical order


Support

References

  • M. Aussal, Méthodes numériques pour la spatialisation sonore, de la simulation à la synthèse binaurale. PhD thesis, École Polytechnique, 2014.
  • J.-C. Messonnier, J.-M. Lyzwa, D. Devallez, and C. de Boishéraud, Object-based audio recording methods, Journal of the Audio Engineering Society, vol. 140, 2016.
  • J.-C. Messonnier and A. Baskind, Produire pour plusieurs types de systèmes de restitution : une approche de la production par objets., VDT Magazin, 2016.
  • F. Salmon, Optimization of interactive binaural processing. In Proc. of the 143nd Convention of the Audio Engineering Society (AES), 2017.
  • P. Stitt, E. Hendrickx, J.-C. Messonnier, and B. Katz, The role of head tracking in binaural rendering. 29th Tonmeistertagung, VDT Intl. Conv., 2016.

Contact :

francois [dot] salmon [at] cmap [dot] polytechnique [dot] fr
matthieu [dot] aussal [at] polytechnique [dot] edu


Copyright (c) Ecole Polytechnique, 2016
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