Title:
DIGITAL FILTER UNIT
Document Type and Number:
Japanese Patent JPS5966214
Kind Code:
A
Abstract:
A sample of an output signal is calculated by forming the sum of the products of a set of samples of an input signal and a set of filter coefficients. …To provide a more accurate encoding of the filter coefficients without great consequences for the hardware, the filter coefficients are encoded by combination of the form:… K1.2 + K2.2,… wherein n and m are integers and it holds that for at least one coefficient:… 1 < | K1 | < 2 and | K2 | = 0 or 1 or : 1 < | K1 | < 2 and 1 < | K2 | < 2 and means are present for combinatorially multiplying (3) a signal sample by the factor | K1 | , | K2 | which is located between 1 and 2.
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Inventors:
DANIERU YOHANNESU GERARUDASU Y
Application Number:
JP16533483A
Publication Date:
April 14, 1984
Filing Date:
September 09, 1983
Export Citation:
Assignee:
PHILIPS NV
International Classes:
H03H17/06; (IPC1-7): H03H17/04
Attorney, Agent or Firm:
Akihide Sugimura