Edgar Berdahl's Web Page

PhD Candidate in Electrical Engineering at Stanford University
Thesis readers:
Julius O. Smith III at CCRMA

Gunter Niemeyer at the Telerobotics Laboratory

Projects

Haptic drumstick (2007)

RealSimple musical acoustics laboratory exercises (overview slides) (2006-7)

Active control of a vibrating string (2006)

Inducing unusual dynamics in acoustic musical instruments (2006)

Active damping of a vibrating string (2006)

Some physical audio effects (2006)

Machine learning of microtiming (2005)

Acoustic feedback cancellation for public address systems (2005)

Measuring impulse responses using adaptive filters (2004)

Digital image steganography of encrypted text (2003)

Sound recognition using lower-level descriptors from MPEG-7 (CSG) (2002-3)

Vowel recognition of .AU files using feed-forward neural networks (2002)

Pitch detection of musical signals (2002)

Calbot project for EE40 with pitch detection (2001)

Dodecahedral speaker array (2000-2001)

Vacuum tube amplifier (1999)

Publications:

E. Berdahl, B. Verplank, J. O. Smith III, and G. Niemeyer
A Physically-Intuitive Haptic Drumstick,
International Computer Music Conference, slides,
August 27-31, 2007 - Copenhagen, Denmark.

E. Berdahl, J. O. Smith III
Inducing Unusual Dynamics in Acoustic Musical Instruments,
2007 IEEE Conference on Control Applications,
October 1-3, 2007 - Singapore.

E. Berdahl, N. Lee, R. Cassidy, and J. O. Smith III
REALSIMPLE: Combining physical REALity with SIMulations in Pedagogical Laboratory Experiments,
153rd Meeting of the Acoustical Society of America,
June 4-7, 2007 - Salt Lake City, Utah.

E. Berdahl, J. O. Smith III
PID Control of a Vibrating String,
153rd Meeting of the Acoustical Society of America,
June 4-7, 2007 - Salt Lake City, Utah.

E. Berdahl, J. O. Smith III
Estimating the State of a One-Dimensional Waveguide,
153rd Meeting of the Acoustical Society of America,
June 4-7, 2007 - Salt Lake City, Utah.

E. Berdahl, J. O. Smith III, Adrian Freed
Active Damping of a Vibrating String,
6th International Symposium on Active Noise and Vibration Control,
September 18-20, 2006 - Adelaide, Australia.

E. Berdahl, J. O. Smith III
Some Physical Audio Effects,
9th International Conference on Digital Audio Effects,
September 18-20, 2006 - Montreal, Canada.

M. Wright, E. Berdahl
Toward Machine Learning of Expressive Microtiming in Brazilian Drumming,
International Computer Music Conference.
November 6-11, 2006 - New Orleans, Louisiana, USA.

E. Berdahl, S. Backer, J.O. Smith III
If I Had A Hammer: Design and Theory of an Electromagnetically-Prepared Piano,
International Computer Music Conference.
September 5-9, 2005 - Barcelona, Spain.

H.-G. Kim, E. Berdahl, T. Sikora
Study of MPEG-7 Sound Classification and Retrieval,
5th International ITG Conference on Source and Channel Coding.
January 14-16, 2004 - Erlangen, Germany.

H.-G. Kim, E. Berdahl, N. Moreau, T. Sikora
Speaker Recognition Using MPEG-7 Descriptors,
Eurospeech, September 1-4, 2003 - Geneva, Switzerland.

Music that I've made.

My personal page.

Courses At Stanford:

ME 326: Telerobotics and Human-Robot Interactions
Music 250a: Physical Interaction Design For Music
Music 424: Signal Processing Techniques for Digital Audio Effects
EE 376B: Information Theory
EE 363: Linear Dynamical Systems
Music 321: Advanced Musical Acoustics
CS 229: Machine Learning
E 205: Introduction to Control Design Techniques
EE 141: Engineering Electromagnetics
STAT 217: Random Processes
STAT 218: Random Processes
EE 364: Convex Optimization
EE 367B: Applications of the Fast Fourier Transform
EE 373B: Neural Information Processing
EE 367A: Signal Processing Methods in Musical Acoustics
EE 373A: Adaptive Filtering
EE 376A: Information Theory
EE 263: Introduction to Linear Dynamical Systems
EE 278: Introduction to Statistical Signal Processing
Music 220a: Foundations of Computer-Generated Sound

Edgar is a recipient of the Stanford Graduate Fellowship.