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@@ -22,7 +22,11 @@ class fm_radio(gnuradio.gr.top_block):
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) * audio_sample_rate_hertz
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rtlsdr_source = osmosdr.source()
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- rtlsdr_source.set_sample_rate(2560000) # Hz
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+ # `rtlsdr_source.get_sample_rates().values()`:
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+ # > TypeError: Unregistered type : std::vector<double, std::allocator<double> >
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+ # minimum for raspberry pi 1B:
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+ rtlsdr_source.set_sample_rate(rtlsdr_source.get_sample_rates().start())
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+ print(f"RTL-SDR sampling rate: {rtlsdr_source.get_sample_rate():.0f} Hz")
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rtlsdr_source.set_center_freq((98.3 * 1e6), 0)
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resampler = gnuradio.filter.rational_resampler_ccf(
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