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Fixed incorrect normalized cutoff frequency computation in butterworth. #21

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merged 2 commits into from May 27, 2014

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moorepants commented May 27, 2014

The nomarlized cutoff frequency for Butterworth filters should be:

Wn = cutoff / (0.5 * samplerate)

But I was using:

Wn = cutoff / 2.0 / samplerate

moorepants added some commits May 27, 2014

Fixed incorrect normalized cutoff frequency computation in butterworth.
The nomarlized cutoff frequency for Butterworth filters should be:

Wn = cutoff / (0.5 * samplerate)

But I was using:

Wn = cutoff / 2.0 / samplerate

@moorepants moorepants added the bug label May 27, 2014

moorepants added a commit that referenced this pull request May 27, 2014

Merge pull request #21 from moorepants/issue-20
Fixed incorrect normalized cutoff frequency computation in butterworth.

@moorepants moorepants merged commit 1d98176 into master May 27, 2014

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@moorepants moorepants deleted the issue-20 branch May 27, 2014

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