About Filters – Speed vs Accuracy If you look at the filter graphs in your training software, compare an IIR filter, like an Elliptic, and an FIR filter. You’ll see that the IIR filter tends to focus on producing a stable response across the whole frequency band of the filter, but the time response changes throughout the filter band. FIR Magnitude & Delay Look at an FIR filter, and you’ll see that the delay graph is a straight line at […]
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