Clément HUBERT

The cSPAThrtf is a project created in november 2015 to be used as a binaural Max For Live plugin for theatre performances.
It is based on the FFT-based binaural panner developed by Jakod Hougaard Andersen in 2011 : https://cycling74.com/tools/fft-based-binaural-panner/

" FFT-based binaural panner was inspired by other Max projects such as Head in Space (http://sites.google.com/site/dariopizzamiglio/projects/head-in-space) and Binaural Tools (http://www.ece.ucdavis.edu/binaural/binaural_tools.html). The FFT-based binaural panner was created to reduce the substantial load on the cpu that comes with convolution in the time-domain. It uses pfft~ to perform an equivalent but ‘cheaper’ mutliplying process in the frequency-domain.
The panner uses the impulse responses from the CIPIC HRTF database (http://interface.cipic.ucdavis.edu/sound/hrtf.html) but in a frequency-domain and interpolated version. "

This package only contains one set of HRTF matrix files (Subject3).
You can download more on : http://4-to-one.dk/fftBinPan/All%20HRTF%20matrix%20files.rar and put them in the lib folder.

cSAThrtf uses two java classes for part of the process and ambimonitor (external by Ambisonics) as interface.

Functions :
- up to 44 different HRTF subjects
- HRTF subject matcher
- customisable dimensions of the virtual room
- Mono or Stereo (DualMono) mode
- Azimuth and Elevation test function with clock testing sound
- coordinates of the different points (Listener, Sound 1, Sound2) given to Ableton Live as plugin values allow you to use automation

I hope you'll like it, and I would be happy to have your comments on this tool, in order to make it better !

cspathrtfv1

cSPAThrtfV1 : Binaural Max For Live plugin (FFT based binaural panner using CIPIC HRTF database)

Jakob Hougaard Andersen

The FFT-based binaural panner is not an external, but rather a project that consists of a couple of Max patches and 43 pairs of HRTF-subject files to be read by jit.matrix~.

It was created in 2011 as part of a thesis on the possibilities of binaural synthesis in combination with head-tracking, in an aesthetic/experience-oriented context. In the thesis project, the FFT-based binaural panner is a small, but essential, part of a larger construction in Max, involving sensor-based head-tracking, room simulation, configurable sound- and listener positions etc..

The project is inspired by other Max projects such as Head in Space (http://sites.google.com/site/dariopizzamiglio/projects/head-in-space) and Binaural Tools (http://www.ece.ucdavis.edu/binaural/binaural_tools.html). The FFT-based binaural panner was created to reduce the substantial load on the cpu that comes with convolution in the time-domain. It uses pfft~ to perform an equivalent but 'cheaper' mutliplying process in the frequency-domain.

The panner uses the impulse responses from the CIPIC HRTF database (http://interface.cipic.ucdavis.edu/sound/hrtf.html) but in a frequency-domain and interpolated version.

The project also includes a HRTFSubjectMatcher sub patch, which relies on a java external ('HRTFSubjectMatcher.class'). The HRTFSubjectMatcher tries to match the entered listener measurements with the subjects in the CIPIC database. However it must be mentioned that it is by no means scientifically valid, but might serve at a rudimentary tool for selecting an appropriate HRTF file set.

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