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Educational Systems

Posted by on Sep 5, 2013 in |

This is a transversal axis of our research. Automatic accompaniment systems, rapid prototyping tools, new digital music instruments, they have all been used as learning tools. For some of them, however, education is the main concern. For example, Daccord programs which teach how to play guitar, keyboard and percussion, as well as robotics teaching experiments in partnership with RoboLivre. Our research in this field is, then, twofold: to create tools which enhance learning capabilities using innovative pedagogical approaches, and to develop metrics to evaluate them. One of the result of this research branch is the well-stablished company Daccord Music...

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Creativity Support Systems

Posted by on Sep 5, 2013 in |

Creativity as an asset is becoming critically important as enterprises and individuals get more dependent on innovation to be competitive. Creativity Support Systems (CSSs) are processes and/or artefacts that improves the productivity and empowers users in creative processes. We are searching for new tools and systems that gives possibilities for the emergent roles in new system production and improves professional routine of creative tasks. Usually CSSs are usually focused in the generation and orientation of new ideas (something like brainstorming techniques), but we take a broader view that incorporates the prevention of lock-in in the decision making and the design of user interfaces that do not constrain one’s creative path. This includes, but is not limited to: Development of prototyping tools Evaluation of process Development of new sensors e...

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Sound and Music Analysis

Posted by on Sep 5, 2013 in |

Digital music provided the tools to a revolution in the understanding of sound and music. We are particularly interested in extracting information that even a human with a well trained ear cannot do, or at least express. By music analysis, we mean the discovery of patterns in data represented in musical form. For example, midi/musicXML files, music scores and tablatures, and midi/OSC events captured in live performances. We performed a wide range of researches in this field, from functional harmony analysis to the discovery of microtiming and microdynamics patterns, from modeling rhythm and variation, to visualisation of common harmonic paths by composers. By sound analysis, we mean the extraction of information directly from raw data, such as wav/mp3 files or microphone audio streams. This involves the development of new technology to create games, the automatic detection of dangerous sounds (like gunshots and explosions) for public security, and music information retrieval (MIR) applications (such as automatic chord recognition). One of the main results of this research is our contribution to projects at the MusiGames Studio and the Audio Alerta...

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Automatic Accompaniment Systems

Posted by on Sep 5, 2013 in |

We call “music improvisation and accompaniment systems” those that can automatically generate melodic lines, rhythmic patterns and/or chord voicing chaining in a particular musical style. In our research, we employ different AI techniques (e.g., hidden markov models, neural networks, case-based reasoning, multi-agent systems, etc.) to successfully create systems that can work as rehearsal partners or teachers in the styles of jazz, bossa nova and other Brazilian genres. This line of research is strongly related to “sound and music analysis”, since their results may feed accompaniment systems with patterns and rules that can be used to generate...

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Digital Musical Instruments

Posted by on Sep 5, 2013 in |

New interface artefacts are changing the way we interact with machines and this is particularly important for the musical domain. They open a wide range of possibilities in the creation of Digital Musical Instruments (DMIs), artefacts with inputs (interface controllers) and outputs (sound synthesis modules) that connect according to a mapping strategy. Contrary to acoustic instruments, which impose physical constraints to their design and fabrication, the design of DMIs has more freedom. Paradoxically, this advantage is a problem, since there is no established method or tool to guide the DMI designer or luthier. In this research line, we focus on developing prototyping tools, methods for DMI evaluation, existing technology evalutation, news sensors and interfaces. Prototyping tool DMI evaluation Existing technologies evaluation Developing new sensors e interfaces   Projects related to this research line:  Sketchument        ...

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