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fix for #422 #423

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merged 2 commits into from
Jan 22, 2020
Merged

fix for #422 #423

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ce2fa92
fix for #422
Gamnn Jan 21, 2020
6e00acf
update help for ntsc wibbleremover
Gamnn Jan 22, 2020
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2 changes: 1 addition & 1 deletion ld-decode
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ parser.add_argument('--ignoreleadout', dest='ignoreleadout', action='store_true'
parser.add_argument('--verboseVITS', dest='verboseVITS', action='store_true', default=False, help='Enable additional JSON fields')

parser.add_argument('--lowband', dest='lowband', action='store_true', default=False, help='Use more restricted RF settings for noisier disks')
parser.add_argument('--WibbleRemover', dest='WibbleRemover', action='store_true', default=False, help='PAL/digital sound: (try to) remove spurious ~8.5mhz signal')
parser.add_argument('--WibbleRemover', dest='WibbleRemover', action='store_true', default=False, help='PAL/digital sound: (try to) remove spurious ~8.5mhz signal. Mitigate interference from analog audio in reds on NTSC')

parser.add_argument('-t', '--threads', metavar='threads', type=int, default=5, help='number of CPU threads to use')

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2 changes: 1 addition & 1 deletion lddecode/core.py
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Expand Up @@ -441,7 +441,7 @@ def computevideofilters(self):
SF['Fvideo_lpf'] = filtfft(video_lpf, self.blocklen)

if self.system == 'NTSC' and self.WibbleRemover:
video_notch = sps.butter(3, [DP['video_lpf_freq']/self.freq_half, 5.0/self.freq_half], 'bandstop')
video_notch = sps.butter(3, [DP['video_lpf_freq']/1000000/self.freq_half, 5.0/self.freq_half], 'bandstop')
SF['Fvideo_lpf'] *= filtfft(video_notch, self.blocklen)

video_hpf = sps.butter(DP['video_hpf_order'], DP['video_hpf_freq']/self.freq_hz_half, 'high')
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