Latest Posts
How to understand the output of the FFT
The FFT Algorithm | The Secrets of the FFT | Part 4
The Twiddle Factor | The Secrets of the FFT | Part 3
The Butterfly Diagram | The Secrets of the FFT | Part 2
Divide and Conquer | The Secrets of the FFT | Part 1

Month: December 2022

How FIR filters work | Applying the filter
FIR Filters

How FIR filters work | Applying the filter

Mark Newman

In this post, we discover how to use a filter’s impulse response to filter a signal. Included in the post are snippets of JavaScript code demonstrating how you can write your own FIR filter.

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How FIR filters work | Designing the filter
FIR Filters

How FIR filters work | Designing the filter

Mark Newman

How to use the inverse Fourier Transform to tailor the impulse response of our filter to give us the frequency response we are looking for.

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