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Implementation strategy for high-order recursive filters

Implementation strategy for high-order recursive filters

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© The Institution of Electrical Engineers
Published

This paper describes a new method for partitioning a highorder all-pole filter into an interconnection of subsystems. It was found that conventional all-cascade and all-parallel implementations were unsuitable for reasons that are outlined and that the theory of filter implementations could be enhanced by appealing to polynomial theory.

Inspec keywords: poles and zeros; digital filters

Other keywords: high-order recursive filters; polynomial theory; all-pole filter; filter implementations; subsystems; interconnection; partitioning

Subjects: Digital filters; Digital filters

References

    1. 1)
      • Sandler, M.B.: `High precision formant estimation from high order AR models', Proceedings of 5th International Conference on Digital Processing of Signals in Communications, 20–23 September 1988, Loughborough, p. 309–316.
    2. 2)
      • P. Henrici . (1974) Partial fractions, Applied and computational complex analysis.
    3. 3)
      • M.B. Sandler . High order LPC analysis/synthesis of atonal percussion. Proceedings of Institute of Acoustics , 7 , 113 - 120
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