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1 pole lowpass filter
Posted: Fri Jul 17, 2015 12:21 pm
by borodadada
Hello guys, i want create simple filter use site
http://www.micromodeler.com/dsp/, but i dont understand how work parametr start freq 0 - 0.5
http://rghost.ru/7zqvqbL2L/image.png
Re: 1 pole lowpass filter
Posted: Sat Jul 18, 2015 2:54 am
by martinvicanek
I have an article on filters at
http://flowstone.guru/blog/digital-filt ... mechanics/ which you may find useful. You can also download a set of 1 pole filters here:
http://flowstone.guru/downloads/first-o ... e-filters/ .
Re: 1 pole lowpass filter
Posted: Sat Jul 18, 2015 9:02 am
by borodadada
In 1 pole LP filter.
Code: Select all
stage(0)
{
abs = 3.4e38|0.999999|0.1;
}
which means this line ?
and this
1e-11 ?
Re: 1 pole lowpass filter
Posted: Sat Jul 18, 2015 12:08 pm
by martinvicanek
That is a way to prevent denormals, see
viewtopic.php?f=4&t=2808#p14876
