Bomar, B.W. “Finite Wordlength Effects” Digital Signal Processing Handbook Ed. Vijay K. Madisetti and Douglas B. Williams Boca Raton: CRC Press LLC, 1999 c 1999 by CRC Press LLC .3 Finite Wordlength Effects 3.1 3.2 3.3 3.4 3.5 Introduction Number Representation Fixed-Point Quantization Errors Floating-Point Quantization Errors Roundoff Noise Roundoff Noise in FIR Filters • Roundoff Noise in Fixed-Point IIR Filters • Roundoff Noise in Floating-Point IIR Filters Bruce W. Bomar University of Tennes