2021-09-13 14:58:02 +00:00
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from csdr.chain.demodulator import BaseDemodulatorChain, FixedIfSampleRateChain, FixedAudioRateChain
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2021-09-20 13:32:26 +00:00
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from csdr.module.freedv import FreeDVModule
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2021-09-13 14:58:02 +00:00
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from pycsdr.modules import RealPart, Agc, Convert
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from pycsdr.types import Format
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class FreeDV(BaseDemodulatorChain, FixedIfSampleRateChain, FixedAudioRateChain):
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def __init__(self):
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agc = Agc(Format.SHORT)
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agc.setMaxGain(30)
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agc.setInitialGain(3)
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workers = [
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RealPart(),
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Agc(Format.FLOAT),
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Convert(Format.FLOAT, Format.SHORT),
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FreeDVModule(),
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agc,
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]
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super().__init__(workers)
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def getFixedIfSampleRate(self) -> int:
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return 8000
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def getFixedAudioRate(self) -> int:
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return 8000
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def supportsSquelch(self) -> bool:
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return False
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