Design Exploration and Performance Strategies towards Power-Efficient FPGA-Based Architectures for Sound Source Localization

Table 8

Definition of the architecture’s parameter involved in the time analysis. is the number of output samples and is the number of active microphones.

Parameter	Definition	Equation	Value (cc/MHz)
	II of the CIC filter
	II of the remove DC
	II of the FIR filter
	II of the delay memories at
	II of the cascaded sums
	Sensing time
	II of the filter stage
	II of the beamforming stage
	II of the SRP	2
	Sum of ’s
	Time to obtain a complete P-SRP