Richard A. Stein, N.R. Bartley, L.T. Bruton
Abstract
The design of continuously variable lowpass and highpass recursive digital filters using linear interpolation of the coefficients is described. Sufficiently long interpolation intervals can be used to make the method computationally efficient.
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The design of continuously variable lowpass and highpass recursive digital filters using linear interpolation of the coefficients is described. Sufficiently long interpolation intervals can be used to make the method computationally efficient.
Key concepts: Interpolation (computer graphics), Linear interpolation, Digital filter, Mathematics, Variable (mathematics), Linear filter, High-pass filter, Low-pass filter