Seminars

Past talks

Speaker: Thilo Koch
Date and time: Monday, November 10, 2014 - 12:00
Place: CCSL Auditorium, IME/USP
Abstract:

Simulations play an important role in acoustics. There are applications in planning of acoustic environments, materials testing and in virtual reality systems. In this seminar we will give a short introduction to some methods for simulations of sound in rooms. The most used approaches will be explained: ray tracing and image source modelling as well as hybrid models.


(video presentation in portuguese)

Speaker: Roberto Piassi Passos Bodo
Date and time: Monday, November 3, 2014 - 12:00
Place: CCSL Auditorium, IME/USP
Abstract:

This seminar will be an introduction to MIDI as communication protocol between instruments/applications and as file format for digital representation of musical scores.

We will present the main control events, their codification protocol, MIDI note numbers details, sound banks and musical symbols support, among other topics.

Also, it will be exhibit two of the most commonly used audio APIs in Linux and some free MIDI tools (synthesizers and score editors, for example).


(video presentation in portuguese)

Speaker: Marcio José da Silva
Date and time: Monday, October 20, 2014 - 12:00
Place: CCSL Auditorium, IME/USP
Abstract:

No english abstract available.


(video presentation in portuguese)

Speaker: Guilherme Feulo
Date and time: Monday, September 29, 2014 - 12:00
Place: CCSL Auditorium, IME/USP
Abstract:

Recent technological advances promoted the development of sensors that previously, because of the costs, were used only for medical proposes. Among all, the Electroencephalogram (EEG), gained attention between Interface researchers by it's versatility and portability, creating different applications in distinct fields. In this seminar we will present some techniques, results and discussions that were published in the Fifth International Brain-Computer Interface Meeting (2013) involving the Musical BCI development problem.


(video presentation in portuguese)

Speaker: Antonio Goulart
Date and time: Monday, September 1, 2014 - 12:00
Place: CCSL Auditorium, IME/USP
Abstract: (sorry about the abstract in Portuguese)

Neste seminário vamos abordar técnicas recentemente propostas de distorção de senóides para síntese de sinais musicais, baseadas em extensões ou variações das técnicas clássicas (já apresentadas em outro seminário). No âmbito das modulações serão exploradas as técnicas de ModFM (FM Modificada), SpSB (Split Side band), e FBAM (Modulação de amplitude com retroalimentação). Em relação às novas abordagens para moldagens, serão exploradas as técnicas de moldagem de fase com exponencial, moldagem de fase com entidades básicas encadeadas, hard sync, e moldagem de fase por modulação de coeficientes de filtros passa-tudo. Implementações utilizando a linguagem Chuck e exemplos sonoros também serão apresentados.


(video presentation in portuguese)

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