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Richard K. Thomas
Pao Hall for the Visual and Performing Arts
Overlapping Research and Development Foci:
• Professor of Visual and
Performing Arts, Theatre
Division
• Head of Design and
Technology Programs in
Theatre
• Theatre Sound Designer
and Composer
• Room acoustics and modeling: designing high quality
sound reinforcement systems for a variety of public
spaces
• Measurements: testing and calibration of sound
reinforcement loudspeaker systems
• Sound Localization: Measurement and testing of human
response to sound localization; development of new
loudspeaker playback systems to enhance sound
imaging in live performance environments
• [email protected]
College of Liberal Arts
College of Liberal Arts
Example Research Projects
Investigation of a Forgotten Approach to Large Room Stereo Sound
Delivery (Graduate Research by Tom Falgien)
• Testing and verification of W.B. Snow’s 1938 theory to use multiple
loudspeakers to create better stereo imaging over a wider audience
space
• Potential uses include stereo playback of sound in live theatre
Selected reference: Brown, Jim.
“Systems for Stereophonic
Sound Reinforcement:
Performance Criteria,
Design Techniques, and
Practical Examples.”
Audio Engineering Society
Convention Paper NY: NY,
2003.
Ideal Listening Position
Front of Audience
Line
Listening
Test
Positions
Example Research Projects (cont.)
Comparison of Acoustic Modeling Programs and Acoustic Measurement Systems (Graduate
Research by Kyle Ridenour)
•
Development of a system to compare data generated by acoustic modeling programs such
as EASE and CATT Acoustic with real world measurements by program including SMAART
and MAPP
•
Potential uses include Sound System Design and Calibration
2
1
3
C
Loeb Theatre
Main Floor
Plan
Area of No
Correction
43: Line of
Corrected
Equal
Amplitude and
Time Arrival
College of Liberal Arts
Selected reference:
Seidel, F., and Staffeldt, H.. “Frequency and
Angular Resolution for Measuring,
Presenting, and Predicting Loudspeaker
Polar Data.” Journal of the Audio
Engineering Society 44 (1996) : 555-568.
College of Liberal Arts
Some Current Research Efforts
• Effective Envelopment and Surround sound system
design with a limited number of transducers
• Abe Jacob: The Godfather of Live Sound; biography
of legendary Broadway Sound Designer who
developed most of the technologies still in use today
on the Broadway stage;
• Design As Performance: an interactive performance
using acoustic and electronic sensors that trigger
sound and visual sequences; actor controlled sound
and visual designs
College of Liberal Arts
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