Past talks

Speaker: Joseph Timoney, National University of Ireland - Maynooth
Date and time: Wednesday, October 21, 2015 - 12:00
Place: CCSL Auditorium, IME/USP
Abstract: An enhancing effect that can be applied to analogue oscillators in subtractive synthesizers is termed Animation, which is an efficient way to create a sound of many closely detuned oscillators playing in unison. This is often referred to as a supersaw oscillator. In this seminar we will explain the operating principle of this effect in the digital domain using a combination of additive and frequency modulation synthesis. The Fourier series will be derived and results will be presented to demonstrate its accuracy. This will then provide new insights into how other more general waveform animation processors can be designed. Audio examples from the isolated supersaw waveform and also within some dance music excerpts will illustrate the sound possibilities using the technique.

Speaker: Guilherme Feulo
Date and time: Wednesday, October 14, 2015 - 12:00
Place: Auditório do CCSL, IME/USP
Abstract: With recent technology advances, the search for new ways to interact with electronic devices as computers, Videogames or Smartphones, have been creating new interfaces with a set of different applications and low costs. In this seminar we will present some "Do It Yourself" (DIY) brain-computer interfaces trough Electroencephalography (EEG), their basic project and the variations that can be found in the Internet.

(video presentation in portuguese)

Speaker: Roberto Piassi Passos Bodo
Date and time: Wednesday, September 23, 2015 - 12:00
Place: CCSL Auditorium, IME/USP
Abstract: In this seminar we will present the algorithms and the results obtained so far of some techniques concerning the central problems of automated musical accompaniment: score following and accompaniment generation. In addition, we will present the MetaMatcher: element created to combine all implemented tracking techniques by running them in parallel and getting a greater reliability of the information extracted from the performance.

(video presentation in portuguese)

Speaker: Antonio Deusany de Carvalho Junior
Date and time: Wednesday, September 16, 2015 - 12:00
Place: CCSL Auditorium, IME/USP
Abstract: Technological restrictions and interaction settings affects audience participation in musical performances. It might be really expensive to give devices to each participant on a large audience, and the participants can avoid an interactive performance that is restricted to a specific technology, like the ones that requires iOS instead of Android systems. In this talk we will present a solution for audience participation where we use only smartphones connected to the Internet exchanging data through Cloud Services. We applied this solution in a performance at University of Michigan during past semester, and people can also apply this interaction process in other music performances and areas. We will also present some videos from the original performance and the code used on the performance manager.

(video presentation in portuguese)

Speaker: Sang Won Lee, University of Michigan/USA
Date and time: Wednesday, September 2, 2015 - 12:00
Place: Auditório do CCSL, IME/USP
Abstract: Live coding is a highly interactive music performance where one or more musicians writes code on the fly to generate music. In the setting of live coding, there often emerges two issues: (1) the need for communication, (2) technical support to enable networked collaboration among and within live coders, audience and musicians. The author presents a series of projects that not only facilitate communication and networked collaboration in the domain of live coding but also yields a variety of novel distributed music performances that blur the boundary of live coding.


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