Design of Low-Power Structural FIR Filter Using Data-Driven Clock Gating and Multibit Flip-Flops

Table 4

MSE comparison in speech and random signals.

Filter type	Mean square error (MSE)
	Random input signal		Speech input signal
	50 taps	75 taps	50 taps	75 taps
Proposed work	0.584	0.601	0.492	0.583
Reference [10]	0.623	0.664	0.523	0.612
Reference [27]	0.657	0.687	0.653	0.647
Reference [28]	0.694	0.724	0.946	0.679