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| author | Sebastian Koslowski <koslowski@kit.edu> | 2014-01-04 01:53:57 +0100 |
|---|---|---|
| committer | Sebastian Koslowski <koslowski@kit.edu> | 2014-01-04 02:05:29 +0100 |
| commit | 17b2ecf0307bd8365d19508673f9f8cbcaa733d2 (patch) | |
| tree | 0ea4067f8dd677b6fbf3d5c3b90869eed12d80eb | |
| parent | d0d7585af59f22416897534516a1b5b021e6e318 (diff) | |
analog: disable deemph for tau=0.0 in fm_demod
| -rw-r--r-- | gr-analog/python/analog/fm_demod.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gr-analog/python/analog/fm_demod.py b/gr-analog/python/analog/fm_demod.py index cf99b768d1..4e3c01d194 100644 --- a/gr-analog/python/analog/fm_demod.py +++ b/gr-analog/python/analog/fm_demod.py @@ -46,7 +46,7 @@ class fm_demod_cf(gr.hier_block2): audio_pass: audio low pass filter passband frequency (float) audio_stop: audio low pass filter stop frequency (float) gain: gain applied to audio output (default = 1.0) (float) - tau: deemphasis time constant (default = 75e-6), specify 'None' to prevent deemphasis + tau: deemphasis time constant (default = 75e-6), specify tau=0.0 to prevent deemphasis (float) """ def __init__(self, channel_rate, audio_decim, deviation, audio_pass, audio_stop, gain=1.0, tau=75e-6): @@ -67,7 +67,7 @@ class fm_demod_cf(gr.hier_block2): ) LPF = filter.fir_filter_fff(audio_decim, audio_taps) - if tau is not None: + if tau is not None and tau > 0.0: # None should be deprecated someday DEEMPH = fm_deemph(channel_rate, tau) self.connect(self, QUAD, DEEMPH, LPF, self) else: |