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Room acoustics is currently achieved more based on acoustic expertise than on engineering design. Among the reasons for this situation are the limitations due to acoustic measurements system design and the unsolved difficulties in solving inverse acoustic room problem given acoustic requirements. This paper investigates means for improving room acoustic measurement system design and for validating...
An iterative algorithm for nonlinear mapping of high-dimensional data is developed. The step size of the descent algorithm is chosen to assure convergence. Steepest descent and Coordinate descent are treated. The algorithm is applied to artificial and real data to demonstrate its excellent convergence properties.
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