. "filtering algorithms" . "comparison of analog and digital filtering" . . . "advantages" . "digital filter" . "digitally filtered" . . . . "Digital filter" . "Digital_filter#Comparison_of_analog_and_digital_filters" . . "digital domain" . . "direct-form" . "digital" . "filtering" . "filter" . . . . "filters" . . . "Digital filter" . "Digital filter design" . "Direct Form I" . "Digital" . "Direct form I" .