Design Considerations When Accelerating an FPGA-Based Digital Microphone Array for Sound-Source Localization

Table 3

Configuration of the architecture under analysis.

Parameter	Definition	Value
	Sampling frequency	2 MHz
	Minimum frequency	1 kHz
	Maximum frequency	15.625 kHz
	Minimum bandwidth to satisfy Nyquist	31.25 kHz
	Decimation factor	64
	CIC filter decimation factor	16
	Order of the CIC filter	2
	FIR filter decimation factor	4
	Order of the FIR filter	16