An accelerator consisting of a fast digital multiplier and A/D and D/A converters is designed for the BBC microcomputer. The circuit enables ‘hands-on’ experience of digital signal processing to be provided at minimal cost. Examples of implementations of FIR filters and an autocorrelation algorithm are provided.
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References
1.
RabinerL. R. and GoldB., Theory and Application of Digital Signal Processing, ŝ 5.23, Prentice Hall (1975)
2.
McClellanJ. H., ‘A computer program for designing optimum linear phase digital filters’. IEEE Trans. on Audio and Electroacoustics, AU-21, No. 4, pp. 506–526 (Dec., 1973)
