Guiding Human-Computer Music Improvisation : introducing Authoring and Control with Temporal Scenarios

Abstract : This thesis focuses on the introduction of authoring and controls in human-computer music improvisation through the use of temporal scenarios to guide or compose interactive performances, and addresses the dialectic between planning and reactivity in interactive music systems dedicated to improvisation. An interactive system dedicated to music improvisation generates music on the fly, in relation to the musical context of a live performance. We focus here on pulsed and idiomatic music relying on a formalized and temporally structured object, for example a harmonic progression in jazz improvisation. The same way, the models and architecture we developed rely on a formal temporal structure. This thesis thus presents: a music generation model guided by a ''scenario'' introducing anticipatory behaviors; an architecture combining this anticipation with reactivity using mixed static/dynamic scheduling techniques; an audio rendering module to perform live re-injection of captured material in synchrony with a non-metronomic beat; and a framework to compose improvised interactive performances at the ''scenario'' level. This work fully integrated frequent interactions with expert musicians to the iterative design of the models and architectures. These latter are implemented in the interactive music system ImproteK that was used at various occasions during live performances with improvisers. During these collaborations, work sessions were associated to listening sessions and interviews to gather numerous judgments expressed by the musicians in order to validate and refine the scientific and technological choices.
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Jérôme Nika. Guiding Human-Computer Music Improvisation : introducing Authoring and Control with Temporal Scenarios. Human-Computer Interaction [cs.HC]. Université Pierre et Marie Curie - Paris VI, 2016. English. ⟨NNT : 2016PA066141⟩. ⟨tel-01398364⟩

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