MUS423 Research Seminars
The CCRMA Music 423 Research Seminar brings graduate students and supervising faculty together for planning and discussion of original research. Students and faculty meet either in small groups or individually, as appropriate for the research topics and interests of the participants. Research carried out is typically presented at the weekly CCRMA Colloquium (if it is of general interest to the CCRMA community) or at a Special DSP Seminar scheduled for that purpose. In either case, announcements appear on the CCRMA Home Page as Upcoming Events.
Recent DSP Seminars
TuneSplit Semantic Equalization and Remixing
Date:Thu, 04/28/2016 - 6:00pm - 7:00pmLocation:CCRMA Class Room [Knoll 217]Event Type:DSP SeminarTuneSplit Semantic Equalization and Remixing
by Alejandro Koretzky, CEO & Founder at tuneSplitFREEOpen to the PublicReal Time Audio Signal Processing with MATLAB
Date:Thu, 03/31/2016 - 6:00pm - 7:30pmLocation:CCRMA Class Room [Knoll 217]Event Type:DSP Seminar
This talk will present the new MATLAB Audio System Toolbox for streaming live audio in and out of MATLAB/Simulink, along with algorithms and tools for processing, tuning, and analyzing such live audio signals. Low-latency processing is possible via ASIO support under Windows or Core Audio support on a Mac.
FREEOpen to the PublicWave Digital Filter Tutorial—Part II
Date:Mon, 01/25/2016 - 6:30pm - 8:00pmLocation:CCRMA ClassroomEvent Type:DSP Seminar
Come one, come all, to the 2nd of a 3-part tutorial series on everyone's favorite lumped system discretization formalism: Wave Digital Filters (WDFs). WDFs can be used to simulate acoustic systems (e.g., piano hammer, clarinet reed) and classic audio circuitry (e.g., effects pedals, guitar amps). Though powerful, WDFs can be confusing. In Part I of this tutorial, Ph.D. candidate Kurt James Werner explained the basics of WDFs. In Part II, we'll discuss how to handle nonlinearities in WDFs (e.g. the Tube Screamer distortion pedal [3]).Wave Digital Filters are an active research area at CCRMA.Open to the PublicWave Digital Filter Tutorial—Part I
Date:Mon, 01/11/2016 - 7:00pm - 8:30pmLocation:CCRMA ClassroomEvent Type:DSP SeminarCome one, come all, to the first of a three-part tutorial series on everyone's favorite lumped system discretization formalism: Wave Digital Filters (WDFs)! Alfred Fettweis originated WDFs as a filter design technique in 1970; since the early 2000s researchers have extended his approach to simulate lumped acoustic systems (e.g., piano hammers, clarinet reed) and classic audio circuitry (e.g. effect pedals, guitar amps). Though powerful, WDFs can be confusing. In this tutorial, Ph.D. candidate Kurt James Werner will start from scratch, telling you everything you need to know about the sometimes puzzling and notoriously self-contained WDF literature.
Open to the PublicMaking Source Code Dance: Visualizing Algorithms in Live Coding Performance
Date:Thu, 01/07/2016 - 5:00pm - 6:00pmLocation:CCRMA ClassroomEvent Type:DSP SeminarAbstract: In most canonical live coding performances, programmers code music and/or art while projecting source code, as it is written, for audience consumption. Although the live coding community actively debates both the meaning and necessity of this projection, I propose that visual annotations to source code can playfully help communicate algorithmic development to both performers and audiences. In this talk I will briefly outline the history of live coding, describe prior work in the live coding community using visual annotations to illuminate source code, and show my work with the live coding environment Gibber to make source code (and maybe even audiences) dance. I will conclude with a short performance demonstrating these ideas.
FREEOpen to the PublicNew music technology for the keyboardist
Date:Thu, 11/12/2015 - 5:30pm - 7:00pmLocation:CCRMA Classroom [Knoll 217]Event Type:DSP SeminarAbstract: Through words and music, Jordan Rudess will present his recent work on a number of cutting-edge new instruments. We will check out apps for the multitouch screen, transform gestures on a vibrating surface into sound, and discuss and explore the evolution of the keyboard instrument. Jordan will present how technology is fueling tactile musical expression and creating a new generation of organic musical possibilities. Included in the presentation will be Roli’s new Seaboard Rise, Wizdom Music’s upcoming Geo Shred physical modeled app, and Mogees vibrating sensor technology.
FREEOpen to the PublicAudio signal processing and GPUs
Date:Tue, 09/29/2015 - 5:15pm - 7:00pmLocation:CCRMA Classroom [Knoll 217]Event Type:DSP SeminarABSTRACT: Modern graphics processing units (GPUs) are massively parallel computation engines, and they fit very well to certain types of computational tasks including also some audio-related processing. This presentation gives a general understanding on the capabilities of GPUs, how the parallel computation is performed on a GPU, and what kind of problems are suitable for parallelization. Convolution and additive synthesis are such examples that are covered in this presentation.
FREEOpen to the PublicAcoustic Source Localization in Wireless Sensor Networks: Model and Numerical Algorithm
Date:Thu, 04/30/2015 - 5:15pm - 7:00pmLocation:CCRMA Classroom [Knoll 217]Event Type:DSP Seminar
Acoustic Source Localization in Wireless Sensor Networks: Model and Numerical Algorithm
Abstract: Jianhua Yuan will present a series of techniques, based upon the energy based acoustic features, to locate a sound source given measurements of the sound field. For wireless ad hoc sensor network applications, energy based acoustic features is an appropriate choice since the acoustic power emitted by targets, such as moving vehicles usually varies slowly with respect to time. In this approach, mathematical models and new numerical methods may be used to yield higher accuracy in terms of source location estimates compared to the earlier method.
FREEOpen to the PublicRecent progress in efficient physics-based synthesis of string instrument sound
Date:Thu, 04/23/2015 - 5:15pm - 7:00pmLocation:CCRMA Classroom [Knoll 217]Event Type:DSP Seminar
ABSTRACT
Applications combining digital waveguides, modal synthesis, and finite-difference time-domain modeling will be presented in the context of efficient simulation of string instruments.
The first part of this talk will introduce a technique for modeling bridge admittances and body radiativity profiles from frequency response measurements on guitars and bowed string instruments. The formulation, relying on modal analysis, is then used to construct reflectance and radiativity models enabling efficient simulation of string plucks via digital waveguides.FREEOpen to the PublicAn interactive interface for predominant pitch extraction, and its applications in singing evaluation, source separation and cover-version generation.
Date:Tue, 01/27/2015 - 5:30pm - 6:30pmLocation:CCRMA Seminar Room [Knoll 315]Event Type:DSP Seminar
Dr. Vishweshwara Rao,
SensiBol Audio TechnologiesFREEOpen to the Public
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