Research Article
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 | | |
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