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Aiming at solving the data acquisition and storage problem frequently met in array signal processing system, a large-scale sonar signal acquisition and storage system is proposed in this paper. System hardware and software designs are realized. Data is collected through a serial-output Analog Digital Converter (ADC) array which allows a large number of channel signals to be sampled simultaneously...
In this paper, we introduce a practical real-time speech enhancement system based on the TI TMS320VC5509A digital signal processor (DSP). A stereo audio codec is used as the analog input/output (I/O). The algorithm for noise reduction is an improved and optimized spectral-subtraction method. The detailed design of the hardware and software is described and the experiments show an improved performance...
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