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A User-Adaptive Automated DJ Web App with Object-Based Audio and Crowd-Sourced Decision Trees

Florian Thalmann, Lucas Thompson, Mark Sandler
We describe the concepts behind a web-based minimal-UI DJ system that adapts to the user's preference via simple interactive decisions and feedback on taste. Starting from a preset decision tree modeled on common DJ practice, the system can gradually learn a more customised and user-specific tree. At the core of the system are structural representations of the musical content based on semantic audio technologies and inferred from features extracted from the audio directly in the browser. These representations are gradually combined into a representation of the mix which could then be saved and shared with other users. We show how different types of transitions can be modeled using simple musical constraints. Potential applications of the system include crowd-sourced data collection, both on temporally aligned playlisting and musical preference.
            
@inproceedings{2018_4,
  abstract = {We describe the concepts behind a web-based minimal-UI DJ system that adapts to the user's preference via simple interactive decisions and feedback on taste. Starting from a preset decision tree modeled on common DJ practice, the system can gradually learn a more customised and user-specific tree. At the core of the system are structural representations of the musical content based on semantic audio technologies and inferred from features extracted from the audio directly in the browser. These representations are gradually combined into a representation of the mix which could then be saved and shared with other users. We show how different types of transitions can be modeled using simple musical constraints. Potential applications of the system include crowd-sourced data collection, both on temporally aligned playlisting and musical preference.},
  address = {Berlin},
  author = {Thalmann, Florian and Thompson, Lucas and Sandler, Mark},
  booktitle = {Proceedings of the International Web Audio Conference},
  editor = {Monschke, Jan and Guttandin, Christoph and Schnell, Norbert and Jenkinson, Thomas and Schaedler, Jack},
  month = {September},
  pages = {},
  publisher = {TU Berlin},
  series = {WAC '18},
  title = {A User-Adaptive Automated DJ Web App with Object-Based Audio and Crowd-Sourced Decision Trees},
  year = {2018},
  ISSN = {2663-5844}
}