Up-sampling half-band reconstruction filtering

Details Up-sampling half-band reconstruction filtering Up-sampling half-band reconstruction filtering

2008-07-29

2008-07-29

Mai, Tan V. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

07406493

ABSTRACT:
An up-sampled half band reconstruction filter has a seagull architecture in the form of a pair of parallel infinite impulse response (IIR) filters, one receiving as an input an input signal delayed by one sample time and the other receiving as an input a reverse version of the input signal delayed by one sample time. The outputs from the pair of parallel IIR filters are combined with the input signal to produce a reconstruction filter output in response to the input signal.

REFERENCES:
patent: 3370292 (1968-02-01), Deerfield
patent: 4791390 (1988-12-01), Harris et al.
patent: 5014232 (1991-05-01), Andre
patent: 5557560 (1996-09-01), Dix et al.

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