butter
Python implementation of the digital butterworth IIR filter
Dependencies
numpy – used for its math modules and fast array calculations
numba – used to increase calculation speed
Basic Usage
Importing the Butter module:
from butterworth import Butter
Creating the Butter instance for a lowpass butterworth filter with cutoff frequency 1000Hz and rolloff frequency 48Hz for data taken with sampling frequency 44100:
filter_ = Butter(btype="Lowpass", cutoff=1000, rolloff=48, sampling=44100)
Sending sample data into filter and retrieving the filtered data:
data=[1.0, -2.0, 3.0, . . . .] filtered_data = filter_.send(data)
Retrieving forward-backward filtered data for the accumulated data:
data1=[1.0, -2.0, 3.0, . . . .] filtered_data = filter_.send(data1) data2=[-1.0, 2.0, -3.0, . . . .] more_filtered_data = filter_.send(data2) forward_backwards_filtered_data = filter_.filtfilt()
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Release files for butterworth 0.0.3
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| butterworth-0.0.3.tar.gz | 13.0 kB | Details |
Release files / butterworth-0.0.3.tar.gz
| Download URL | butterworth-0.0.3.tar.gz |
|---|---|
| Size | 13.0 kB |
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