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update 24

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This commit is contained in:
Connor Olding 2016-06-01 04:04:46 -07:00
parent 55835b98de
commit 9ea1a3c35e
1 changed files with 2 additions and 2 deletions
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4
lib/nsf.py
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@ -4,7 +4,7 @@ import numpy as np
def LPB(n): def LPB(n):
# via https://github.com/vinniefalco/DSPFilters/blob/master/shared/DSPFilters/source # via https://github.com/vinniefalco/DSPFilters/blob/master/shared/DSPFilters/source
"""n-th degree butterworth low-pass filter cascade """n-th order butterworth low-pass filter cascade
-3 dB at center frequency.""" -3 dB at center frequency."""
series = [] series = []
@ -27,7 +27,7 @@ def LPB(n):
def LPC(n, ripple, type=1): def LPC(n, ripple, type=1):
# via https://github.com/vinniefalco/DSPFilters/blob/master/shared/DSPFilters/source # via https://github.com/vinniefalco/DSPFilters/blob/master/shared/DSPFilters/source
# FIXME: type 2 has wrong center frequency? # FIXME: type 2 has wrong center frequency?
"""n-th degree chebyshev low-pass filter cascade """n-th order chebyshev low-pass filter cascade
0 dB at center frequency for type 1. 0 dB at center frequency for type 1.
-ripple dB at center frequency for type 2. -ripple dB at center frequency for type 2.