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Acoustic Data Acquisition System
Ronald Hopgood & Jose R. Rodriquez
Advisor: Dr. J. W. Sennott

A PC based acoustic data acquisition system has been designed. The system is used to study room sound reflections and room reverberation time. The hardware for this system consists of an array of ten microphones, a group of filters and pre-amplifiers, and a high speed 10 channel A/D converter interfaced to the PC. In conjunction with the hardware, the software helps visualize the directivity pattern for the array. This directivity pattern is synthesized by assigning weighting factors and delays to the microphone signals. The result of this project can help design an appropriate surround sound system for the room in question.

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