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This paper presents software tools to simulate DSP algorithms on a wide variety of fixed point architectures including microprocessors, DSPs and FPGA devices. Existing solutions for evaluating the signal quality in fixed point algorithms are either unable to deal with non-linear systems, fail to consider the architectural details of the target device or do not produce a real output that can be used in subjective testing. Using example non-linear algorithms it is shown that architectural details must be considered when evaluating numerical performance.
Date of Conference: 18-23 March 2005