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PDCON:Conference/Dissonance Model Toolbox in Pure Data (view source)
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=== Author: Alexandre Porres === | === Author: Alexandre Porres === | ||
This paper discusses the implementation of Psychoacoustic Models of Dissonance and its creative applications. Terhardt’s theory of dissonance perception is a departure point | This paper discusses the implementation of Psychoacoustic Models of Dissonance and its creative applications. Terhardt’s theory of dissonance perception is a departure point <ref>E. Terhardt, “The concept of musical consonance: A link between music and psychoacoustics”, Music Perception, 1984, Vol.1, pp. 276-295.</ref>, it involves the perceptual attributes of Sharpness, Roughness, Tonalness, Root Relationship & Pitch Commonality. This is part of a PhD research that aims to the development of computational tools for interaction in real-time (live electronics: composition, performance or improvisation) based on a Dissonance Model. | ||
The main problem for this dissonance theory becoming more available and usable in composition or Live Electronics is that the field of research is in constant research and much debate. There is not a final word on how each parameter contributes to the perception of Dissonance and there are still other concepts that lay out the division of Terhardt. A review of the theory is then part of the research. | The main problem for this dissonance theory becoming more available and usable in composition or Live Electronics is that the field of research is in constant research and much debate. There is not a final word on how each parameter contributes to the perception of Dissonance and there are still other concepts that lay out the division of Terhardt. A review of the theory is then part of the research. | ||
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One model of Roughness is proposed here and has been previously exposed as well as some creative applications in PdCon07. Further applications will now be presented that also involve other tools such as the Phase Vocoder and a patch that arbitrarily changes the partials of a spectrum. This is in line with the technique of Spectral Mapping of Sethares. | One model of Roughness is proposed here and has been previously exposed as well as some creative applications in PdCon07. Further applications will now be presented that also involve other tools such as the Phase Vocoder and a patch that arbitrarily changes the partials of a spectrum. This is in line with the technique of Spectral Mapping of Sethares. | ||
This research hasn’t found the entire Pitch Commonality model of Parncutt | This research hasn’t found the entire Pitch Commonality model of Parncutt <ref>R. Parncutt, H. Strasburger, “Applying psychoacoustics in composition: “Harmonic" progressions of "non-harmonic" sonorities”, Perspectives of New Music, 1994, 32 (2), pp. 1-42.</ref> implemented for real time applications, and this has been done on this stage of research. The implementation of the model is described as well as some modifications that expand its capabilities are presented. | ||
== References == | |||
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