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Now, lets look at Part 2, the Signal Processing Pipeline. We use a robust four-stage process to ensure data quality. First, DC Removal to fix any baseline drift from the sensors. Second, Band-pass Filtering, specifically from 0.3 to 8 kHz, to isolate the relevant impact sound. Third, Impact Alignment to synchronize the peak energy of every hit. And finally, RMS Scaling to normalize strike force variations. This standardization is vital, as it ensures that every signal is comparable for consistent feature extraction. |
IEEE/ICACT20260214 Slide.12
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