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

Table 12

Comparison of the time performance and the reported power consumption of the microphone array and the FPGA.

References	Year	Device	Microphone		Time (ms)	Time/mic (ms/mic)	Power (mW)	Power/mic (mW/mic)
[20]	2015	IGLOO2	STMicroelectronics MP34DT01	8	—	—	30.44	3.80
[21]	2016	Spartan-6	STMicroelectronics MP32DB01	16	18.85	1.18	78.99	4.94
[42]	2016	EFM32	InvenSense INMP504	4	249	62.25	7.20	1.80
[10]	2017	Zynq 7020	Analog Devices ADMP521	52	2	0.04	343.92	6.61
[8]	2018	SmartFusion2 M2S050	InvenSense ICS-41350	52	141.66	2.724	33.78	0.65
Power-efficient architecture	2019	SmartFusion2 M2S025	InvenSense ICS-41350	52	23.68	0.45	63.98	1.23