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Decode status widget (#1431)

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* Initial cleanup of pocsag beta, using DSP filters

* Better filter params

* Better filter

* Add signal diagnostics widgets

* POCSAG procs sends stats messages

* Only draw 32 bits

* Add AudioNormalizer filter
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Kyle Reed 2023-09-03 21:49:44 -07:00 • committed by GitHub
parent 2435ee780f
commit 4819a2f4e2
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9 changed files with 305 additions and 230 deletions
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6
firmware/common/dsp_iir_config.hpp
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@ -77,12 +77,6 @@ constexpr iir_biquad_config_t audio_24k_deemph_300_6_config{
{0.03780475f, 0.03780475f, 0.00000000f},
{1.00000000f, -0.92439049f, 0.00000000f}};
// scipy.signal.butter(1, 2400 / 12000.0, 'lowpass', analog=False)
// NOTE: Technically, order-1 filter, b[2] = a[2] = 0.
constexpr iir_biquad_config_t audio_24k_lpf_2400hz_config{
{0.03780475f, 0.03780475f, 0.00000000f},
{1.00000000f, -0.92439049f, 0.00000000f}};
// scipy.signal.butter(1, 300 / 8000.0, 'lowpass', analog=False)
// NOTE: Technically, order-1 filter, b[2] = a[2] = 0.
constexpr iir_biquad_config_t audio_16k_deemph_300_6_config{