[music-dsp] Vectorising IIR Filters
muller.remy at gmail.com
Tue Oct 11 13:30:36 EDT 2011
These 2 articles discuss Block Recursion and ARMA filter unrolling in depth:
Burrus, C. S. (1971, November). Block Implementation of Digital Filters.
IEEE Transactions on Circuit Theory, CT-18(6), 697–701.
Burrus, C. S. (1972, October). Block Realization of Digital Filters.
IEEE Transactions on Audio and Electroacoustics, AU-20(4), 230–235.
you can also find some explanation in the Block Recursion section of
Unfortunately as others have mentionned this also increase the
complexity of the filter.
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