Ph.D. General Examination

12/18/98

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Table of Contents

Ph.D. General Examination 

Outline

Introduction: Why are we interested in violins? 

How it all started …

Mimic Synthesis

A digital violin from observation 

Sensor Violin and Bow

Modeling the statistics of the violin

Modeling Sequence - Training

Modeling Sequence - Synthesis

Predicted Spectral Data

Off-line Sound Examples

On-line Synthesis

Graphical Models

Where they come from...

Some advantages of the graphical description:

Qualitative Specifications

Quantitative Specifications

Quantitative Specifications

Expert Systems

Cluster-Weighted Modeling

Mixture models, e.g. cluster-weighted modeling

Hierarchical mixtures of experts - M.Jordan 1994 

Hidden Markov Models (1) - M.Jordan,1997 

A tree like architecture

A tree like architecture (2)

Internal states and external representation for input-output synthesis 

A synthesis model that provides a framework for special techniques to be plugged in

The physics of the violin

Helmholz, 1877 - Helmholz motion

Raman, 1918

Raman, 1918

Correction Waves (Cremer, Woodhouse 1994)

B02901 - vibrato b, constant bowing

t500s_2n - too much pressure

The history of violin making and playing 1600 - present

Early 16th century origins (1)

Early 16th century origins (2)

Early 16th century origins (3)

The Lira and related instruments

The early 17th century

Antonio Stradivarius (1), 1644?-1737

Antonio Stradivarius (2)

PPT Slide

20th century violins (1) The Mill’s Violano-Virtuoso

20th century violins (2)

20th century violins (3) : a new family of violins by Caroll Hutchins, Montclair NJ

20th century violins (3)

PPT Slide

Author: Bernd Schoner 

Email: schoner@media.mit.edu

Home Page: http://www.media.mit.edu