This seminar will give an overview of several sound analysis techniques and guide participants on how to apply them to control sound or music processes. We will experiment with techniques for pitch detection and envelope tracking and will also cover more advanced algorithms, such as event and chord identification. We will also look at the importance of filtering and mapping the resulting data prior to using it to drive various synthesis parameters in realtime.
Structure:
Session #01
Introduction to sound analysis, with applications and examples
Overview of common techniques: envelope, pitch and timbre tracking beat; tempo and event detection; feature extraction and sound recognition
Practical exercise
Session #02
Time-domain approaches, with focus on amplitude and pitch tracking
Scaling, filtering and mapping sound analysis data
Frequency-domain approaches, with focus on onset detection and timbre analysis
Driving synthesis processes with data obtained from sound analysis
Practical exercise
Session #03
Introduction to the Fast Fourier Transform
The Phase Vocoder
Tracking harmonic partials
Low-level feature extraction vs high-level descriptors
Fredrik Olofsson was trained as a composer at the Royal University College of Music in Stockholm. As part of MusicalFieldsForever he has exhibited interactive art at museums and galleries. He currently teaches at the University of Arts of Berlin and is a frequent contributor within the SuperCollider open source community. He is also one of the founding members of TOPLAP, a collective that popularized the use of live coding.
Level: intermediate (prior knowledge of basic sound synthesis is assumed: envelopes, oscillators, filters)
Practical Sound Analysis
This seminar will give an overview of several sound analysis techniques and guide participants on how to apply them to control sound or music processes. We will experiment with techniques for pitch detection and envelope tracking and will also cover more advanced algorithms, such as event and chord identification. We will also look at the importance of filtering and mapping the resulting data prior to using it to drive various synthesis parameters in realtime.
Structure:
Session #01
Session #02
Session #03
Instructor: Fredrik Olofsson
Fredrik Olofsson was trained as a composer at the Royal University College of Music in Stockholm. As part of MusicalFieldsForever he has exhibited interactive art at museums and galleries. He currently teaches at the University of Arts of Berlin and is a frequent contributor within the SuperCollider open source community. He is also one of the founding members of TOPLAP, a collective that popularized the use of live coding.
Level: intermediate (prior knowledge of basic sound synthesis is assumed: envelopes, oscillators, filters)
Time Schedule:
Friday 28.10.2011, 18:00-22.00h.
Saturday 29.10.2011, 11:00–14:00h, 16:00-19:00h
Sunday 30.10.2011, 11:00–14:00h, 16:00-19:00h
Location: Hangar. Passatge del Marquès de Santa Isabel, 40. Barcelona. Metro Poble Nou.
Price: 90€
To sign up or request further information, please send an email to info@lullcec.org.
This activity is organized by l’ull cec with the collaboration of Consell Nacional de la Cultura i les Arts, Institut de Cultura de Barcelona, Elektronmusikstudion and Hangar.