Abstract
In the field of acoustic signal processing, one of the most popular areas of research is that of microphone arrays. As a small research project in this field, a microphone array system with adjustable polar response will be developed. It is worth noting that this submission is more a research proposal than an abstract. This research will take part as a means of combining coursework and research for courses in engineering acoustics and real-time digital signal processing at the University of Miami. Before any arrays are physically constructed or any code written on a DSP, simulations will be performed in Matlab to determine optimum array configurations and to analyze various DSP algorithms for adjusting polar responses. Then, using a Texas Instruments TMS320C6713 DSP on a DSK audio target board, and writing code in C, Assembly, and Matlab, physical tests will be conducted to analyze performance of design. A MEMS microphone model will likely be used for its small size and low cost. From there, results will be analyzed and further research in the area proposed.
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