I need to get coefficients for my FIR filter. I know my pass band lets say between 350 - 400 Hz And my stop band(s) lets say 200 - 250 and 500 - 500 Hz, The other regions in the spectrum I simply don't care. I want the Filter to be relaxed in this regions so be more effective in pass and stop bands.
I am looking for a library with a simple interface that I will just give passband and stop bands and number of taps. Than I will get my coefficients.
What I found is aquila example, but I couldn't see how can I define relaxed regions.
Can you please advise me a C/C++ library with relaxed, pass, stop bands and easy to use even for a computer scientist?