For an overview of recent projects, see this video, a recording of a presentation given at the Center of Acoustics and Vibration annual workshop in October 2020.

Please click on the links below to view SPRAL’s current and past research projects:

Current Projects:

• Assessing new perceptual aspects of concert hall acoustic metrics through third-order Ambisonic auralizations – Fernando del Solar and Michelle Vigeant

• Investigation and improvement of methods for headphone-based spatial audio – Zane Rusk and Michelle Vigeant

• Effects of office noise on task performance and perceived productivity – Zhi Zhou and Michelle Vigeant

• Assessing cognitive effects of transportation noise on office workers with performance tasks and physiological data – Olivia Heui Young Park  and Michelle Vigeant

• Speech perception in different acoustic environments – Bharat Rajagopalan, Navin Viswanathan, and Michelle Vigeant

Past Projects:

• Predicting the Subjective Quality of Concert Halls using Spherical Microphone Array Measurements and 3D Auralization – Matthew Neal and Michelle Vigeant

• Perception of ground signatures generated by Mach-cutoff flight – Nick Ortega, Jonathan Broyles, and Michelle Vigeant

• Understanding the subjective impression of Listener Envelopment: Contributing Factors and an Objective Metric – Dave Dick, Matthew Neal, and Michelle Vigeant

• Measuring Emotional Responses of the Brain to Concert Hall Acoustic Stimuli – Martin Lawless and Michelle Vigeant

• Children’s neural processing of the emotional environment: angry voices – Peter Moriarty and Michelle Vigeant

• The Perception of Warmth in Concert Halls and correlation with existing Metrics – Kristina Sorensen and Michelle Vigeant

• Design and Construction the AUralization and Reproduction of Acoustic Sound fields (AURAS) facility – Matthew Neal, Colton Snell, Dave Dick, and Michelle Vigeant

• Construction of an Omni-directional Sound Source for Concert Hall Acoustic Measurements – Dave Dick, Carol Tadros, Matthew Neal, and Michelle Vigeant

• Influence of Matched HRTFs on Subjective Ratings of Concert Hall Auralizations – Matthew Neal and Michelle Vigeant

• Relating Perceived Room Quality to Reverberance, Listener Envelopment, and Tonal Quality – Acadia Kocher and Michelle Vigeant

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Miscellaneous (Non-Research) Projects:

• PSU AES Student Chapter Headphone Talk (4/11/19) summary – Zane Rusk and Matthew Neal