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1 pole lowpass filter
4 posts
• Page 1 of 1
1 pole lowpass filter
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
http://rghost.ru/7zqvqbL2L/image.png
- borodadada
- Posts: 47
- Joined: Sun Jun 02, 2013 5:58 pm
Re: 1 pole lowpass filter
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/ .
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martinvicanek - Posts: 1328
- Joined: Sat Jun 22, 2013 8:28 pm
Re: 1 pole lowpass filter
In 1 pole LP filter.
which means this line ?
and this
1e-11 ?
- Code: Select all
stage(0)
{
abs = 3.4e38|0.999999|0.1;
}
which means this line ?
- Code: Select all
out = ((out&abs) > 1e-11)&out;
and this
1e-11 ?
- borodadada
- Posts: 47
- Joined: Sun Jun 02, 2013 5:58 pm
Re: 1 pole lowpass filter
That is a way to prevent denormals, see viewtopic.php?f=4&t=2808#p14876
-
martinvicanek - Posts: 1328
- Joined: Sat Jun 22, 2013 8:28 pm
4 posts
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