Digital filtering device

Details Digital filtering device Digital filtering device

1996-03-12

1999-09-21

Grant, William

Boots, shoes, and leggings

36472405, 36472412, 36472413, 395309, 395376, 395401, 395500, 39580001, G06F 1710

Patent

active

059562625

ABSTRACT:
A digital sample filtering device comprising storage device including ROM and RAM memory for storing in an interlaced manner, coefficients of at least two filters along with for each coefficient, data indicating to which of the filters the each coefficient belongs; a multiplier for multiplying at least one of the coefficients by a sample and an accumulator for adding the partial sums of the multiplication results for each of the filters.

REFERENCES:
patent: 4048485 (1977-09-01), Nussbaumer
patent: 4118784 (1978-10-01), Nussbaumer
patent: 4766561 (1988-08-01), Thompson et al.
patent: 5367540 (1994-11-01), Kakuishi et al.
EDN Electrical Design News, vol. 28, No. 7, Mars 1983 Newton, Massachusetts, US pp. 193-193-197, J. Oxaal "DSP Hardware Improves Multiband Filters".

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