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Visualisation and scientific representation of sound

1. scientific approach

Saturday 23 December 2006, by admin

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Visualization is commonly understood like a mode of scientific representation of data. They are visual representations of the sound, in the sense of a graphic transcription [1]. A waveform, a sonagramme, a visual purpose such as a sphere programmed in openGL whose diameter would be proportional to the intensity of a sound are examples of visualization.

- Virtual environments

In the context of the virtual environments, Anne Sedes, Benoit Courribet and Jean-baptiste Thiébaut already developed work concerning the visualization of the trajectories of spatialization of the sound in real time in virtual environments, associating interactive gesture, subjective sight and multiphonic immersion. In the Egosound software or the interactive installation "La terre ne se meut pas", the spatialization of the sound is visualized in a virtual world with the screen when the trajectory of the sound passes in front of the witness [2], [3], [4]. This one can navigate in this virtual world in subjective sight. Such work could be developed and deepened within this working group.

- Reversibility for control of the sound:

Jean Baptiste Thiébaut advances the concepts of visualisability and orthoteticity applied to the visual representation of the sound [5]. Since parameters of the sound can be represented in a orthothetic way, it can give place to reversibility of the image towards the sound. The visualization of the sound could then become interface of control of this same sound [6].

- Fuzzy logic:

On a purely prospective basis, Isis Truck and Alain Bonardi propose as for them to apply the concepts of fuzzy logic to the visual representation of sound parameters [7], [8].

Footnotes

[1] C.Régnault, ’Correspondances entre graphisme et son: les représentations visuelles de l’objet sonore ’ in Du sonore au musical : cinquante années de recherches concrètes (1948-1998). Sous la direction de Sylvie Dallet et Anne Veitl, l’Harmattan, Paris, 2001.

[2] A. Sedes, B. Courribet et J.-B. Thiébaut: Egosound, an egocentric interactive and realtime approach of sound space. Actes du DAFX-03, Londres, 2003.

[3] A. Sedes, B. Courribet et J.-B. Thiébaut: Visualisation du sonore avec le logiciel Egosound: work in progress. Actes des journées d’informatique musicale 2003, Montbéliard.

[4] A. Sedes, V. Verfaille, B. Courribet et J.-B. Thiébaut: ’Visualisation de l’espace sonore, vers la notion de transduction’ in Espaces sonores, actes de recherches, sous la direction d’A. Sedes, éditions musicales transatlantiques, Paris, 2003.

[5] J.-B. Thiébaut : Visualisation du son et réversibilité. L’exemple du logiciel Sonos. Actes des JIM 2005, Saint-Denis.

[6] A. Sedes, B. Courribet et J.-B. Thiébaut : Visualization of sound as a control interface, actes du DAFX 2004, Naples.

[7] I. Truck, H. Akdag & A. Borgi ’A symbolic Approach for Colorimetric Alterations’, EUSFLAT 2001, 2nd International Conference in Fuzzy Logic and Technology, pp. 105108, Leicester, England, Septembre 2001.

[8] I. Truck, A. Borgi & H. Akdag ’Comparaison de sous-ensembles flous : compatibilité et comparabilité, LFA’02,’ Rencontres Francophones sur la Logique Floue et ses Applications’, pp. 135-142, Montpellier, 21-22 octobre 02.


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