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Adding Wefax demodulation mode inside Audio App (#2539)

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* Adding_new_WFAX_GUI_mode_Audio_App

* Wefax_APT_demodulation_structure

* Solving REC Apt signal.wav from WFAX

* clang format issues

* correcting comments
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Brumi-2021 2025-03-05 04:27:18 +01:00 • committed by GitHub
parent b6e498a6d3
commit 52c3760e90
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19 changed files with 383 additions and 55 deletions
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6
firmware/common/dsp_iir_config.hpp
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@ -55,6 +55,12 @@ constexpr iir_biquad_config_t audio_12k_hpf_300hz_config{
{0.89485861f, -1.78971721f, 0.89485861f},
{1.00000000f, -1.77863178f, 0.80080265f}};
// scipy.signal.butter(2, 1500 / 6000.0, 'low', analog=False)
constexpr iir_biquad_config_t audio_12k_lpf_1500hz_config{
// Added to lpf the audio in wefax mode , before sending to SD card or spk.
{0.09763107f, 0.19526215f, 0.09763107f},
{1.00000000f, -0.94280904f, 0.33333333f}};
// scipy.signal.butter(2, 300 / 4000.0, 'highpass', analog=False)
constexpr iir_biquad_config_t audio_8k_hpf_300hz_config{
{0.84645925f, -1.69291851f, 0.84645925f},