On 06/02/11 23:12, Hans-Christoph Steiner wrote:
now I'm looking for the algorithms for generating a plot of the frequency response of a given set of biquad coefficents?
See perhaps:
http://www-users.cs.york.ac.uk/~fisher/mkfilter/
In particular:
http://www-users.cs.york.ac.uk/~fisher/software/mkfilter/current/complex.C global complex evaluate(complex topco[], int nz, complex botco[], int np, complex z)
http://www-users.cs.york.ac.uk/~fisher/software/mkfilter/current/genplot.C static void computefr(complex fr[], int nsteps)
Claude