Equalizer, audioplayer, GUI by Maxim Vedenyov

Possible to change equalizer during playing (dsp, eq, equalizer)

[b a]=get_high_shelving_filter(g,Q,f,Fs)

[b a]=get_low_shelving_filter(g,Q,f,Fs)

[b a]=get_peak_filter(g,Q,f,Fs)