Dynamic Music Generation, Audio Analysis-Synthesis Methods (original) (raw)

Encyclopedia of Computer Graphics and Games. Springer, Cham., 2019

Abstract

Technologies which adhere to nonlinear, as opposed to fixed, storytelling are becoming pervasive in the digital media landscape (Lister et al. 2003). In this context, methods for dynamically generating music have been prominently and increasingly adopted in games, virtual and augmented reality, interactive installations, and 360 video. Their adoption is motivated by a wide range of factors from computational constraints (e.g., limited memory) to enhanced interaction with external actuators and artistic endeavor. Dynamic music generation systems are typically driven by formalized or algorithmic methods whose history is interleaved with modern computing (Nierhaus 2009). This article reviews a subset of these systems which adopt musical audio as a source to formalize musical structure algorithmically, which is then used to guide the generation of new musical streams by synthesizing sub-audio clips from the musical audio source – an approach addressed as musical audio analysis-synthesis...

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