3 ms·
> But the explanation for how to construct filters in software is pathetic. Pick your favorite FIR filter, set up a ring buffer, input samples go in, at each s
by bigbillheck 3y ago
> But the explanation for how to construct filters in software is pathetic.
Pick your favorite FIR filter, set up a ring buffer, input samples go in, at each step you multiply the buffer elements by your filter coefficients, sum, and output the result.
- ahartmetz 3y agoThe hard part is calculating the coefficients.
- bigbillheck 3y agoNot really, there's plenty of online tools to do it for you such as http://t-filter.engineerjs.com http://t-filter.engineerjs.com , and more offline ones: https://docs.scipy.org/doc/scipy/reference/signal.html#filter-design https://docs.scipy.org/doc/scipy/reference/signal.html#filte...