endolith endolith

View tmpprefs.txt
1 2 3 4 5 6 7 8 9 10
tabmixplus
browser.link.open_newwindow=3
browser.link.open_newwindow.override.external=-1
browser.link.open_newwindow.restriction=0
extensions.tabmix.linkTarget=true
extensions.tabmix.enablefiletype=true
extensions.tabmix.opentabforLinks=0
extensions.tabmix.singleWindow=false
extensions.tabmix.loadOnNewTab.type=4
browser.newtab.url=about:blank
View derivation.md

The transformations are described in https://en.wikipedia.org/wiki/Prototype_filter and in Proakis&Manolakis, Table 8.12, though with different variables:

Type Wikipedia Proakis
lp2lp (scaling) $$i ω \to \left( \frac{ω_c'}{ω_c}\right) i ω$$ $$s → {Ω_p \over Ω_p'} s$$
lp2hp $$ \frac{iω}{ω_c'} \to \frac {ω_c}{iω}$$ $$s→{Ω_p Ω_p' \over s}$$
lp2bp $$\frac{iω}{ω_c'} \to Q \left(\frac{iω}{ω_0}+\frac {ω_0}{iω} \right)$$ $$s→Ω_p {s^2 + Ω_l Ω_u \over s(Ω_u - Ω_l)}$$
lp2bs $$\frac{ω_c'}{iω} \to Q \left(\frac{iω}{ω_0}+\dfrac {ω_0}{iω} \right)$$ $$s→Ω_p {s(Ω_u - Ω_l) \over s^2 + Ω_u Ω_l}$$
View designtools.py
1 2 3 4 5 6 7 8 9 10
from numpy import asarray, array, arange, append, angle, complex128, float64, floor
from numpy import nonzero, sign, mat, sin, cos, exp, zeros, log10, unique, fix, ceil
from numpy import ones, prod, pi, NaN, zeros_like, ravel, any, linspace, diff
from numpy.fft import fft, ifft
from scipy.signal import convolve, freqz, roots, zpk2tf, tf2zpk, remez, get_window
from scipy.interpolate import interp1d
from scipy.linalg import toeplitz, hankel
 
def find(condition):
"""
View biquad_cookbook.py
1 2 3 4 5 6 7 8 9 10
# -*- coding: utf-8 -*-
"""
Created on Thu Mar 28 18:51:00 2013
 
UNFINISHED AND BUGGY
 
Python/SciPy implementation of the filters described in
"Cookbook formulae for audio EQ biquad filter coefficients"
by Robert Bristow-Johnson
http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt
View color_scale.py
1 2 3 4 5 6 7 8 9
# -*- coding: utf-8 -*-
"""
Created on Thu Feb 28 14:28:50 2013
 
Produces colormaps by curving through Lch color space, inspired by
http://www.mathworks.co.uk/matlabcentral/fileexchange/11037-lab-color-scale
 
This is similar to the 'hsv' map, but isoluminant:
color_scale(theta=30, angle_offset=-360, lum=75, r=39)
View lab_map.py
1 2 3 4 5 6 7 8 9 10
# -*- coding: utf-8 -*-
"""
Created on Thu Mar 14 21:24:01 2013
 
All possible (integer 0-255) colors from the walls of the RGB cube (so maxed-out chroma?) sorted by lightness (0 to 100) and hue (-pi to pi), using colorpy or colormath
"""
 
from __future__ import division
from numpy import arange, empty_like, angle, concatenate
from colorpy.colormodels import lab_from_xyz, xyz_from_rgb, rgb_from_irgb
View All values.txt
1 2 3 4 5 6 7 8 9 10
Q for N =
1: --------------
2: 0.57735026919
3: -------------- 0.691046625825
4: 0.805538281842 0.521934581669
5: -------------- 0.916477373948 0.563535620851
6: 1.02331395383 0.611194546878 0.510317824749
7: -------------- 1.12625754198 0.660821389297 0.5323556979
8: 1.22566942541 0.710852074442 0.559609164796 0.505991069397
9: -------------- 1.32191158474 0.76061100441 0.589406099688 0.519708624045
View definition list.rst
term 1
Definition 1.
term 2

Definition 2, paragraph 1.

Definition 2, paragraph 2.

term 3 : classifier
Definition 3.
Something went wrong with that request. Please try again.