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This paper presents a real-time sound source localization system based on FPGA (field programmable gate array). The system employs three microphones with different locations and calculates the direction of the sound source using TDOA (time-delay of arrivals). All the functions for the sound source localization are implemented with the use of a dedicated parallel architecture, including acoustic signal...
In this paper, we present an FPGA-based real-time voice signal preprocessing system that can compute the cross-correlation of the voice signals from number of microphones. Each cross-correlation is calculated using voice signals captured within 200 ms which has 10 ms shifting window. The sampling frequency of the proposed system is 48 KHz and the resolution of each sample is 16 bits. The entire algorithm...
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