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In this paper the design and implementation of a truly broad-band beamformer is described. Using only a limited number of microphones a beamformer has been developed with a reasonably homogeneous beampattern over the entire speech bandwidth. The solution is obtained as the result of a lter-and-sum operation. Beams are steered towards diierent(More)
In this paper we describe the rapid prototyping of an adaptive speech beamformer, using the Graphical Rapid Prototyping Environment: GRAPE-II [1]. We used a general purpose, commercially available multi-processor with 4 TMS320C40 DSP-processors. Our work proves the feasibility of real-time prototyping using a multiprocessor and a powerful programming(More)
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