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

Table 1

Relevant parameters involved in proposed architecture.

Parameter	Definition
	Sampling frequency
	Minimum frequency of the target sound source
	Maximum frequency of the target sound source
	Minimum bandwidth to satisfy Nyquist
	Decimation factor
	CIC filter decimation factor
	Order of the CIC filter
	FIR filter decimation factor
	Order of the FIR filter