diff --git a/firmware/baseband/dsp_iir_config.hpp b/firmware/baseband/dsp_iir_config.hpp index 8ddee3b69..096acd995 100644 --- a/firmware/baseband/dsp_iir_config.hpp +++ b/firmware/baseband/dsp_iir_config.hpp @@ -40,6 +40,7 @@ constexpr iir_biquad_config_t audio_hpf_300hz_config { constexpr iir_biquad_config_t non_audio_hpf_config { { 0.51891061f, -0.95714180f, 0.51891061f }, { 1.0f , -0.79878302f, 0.43960231f } +}; // scipy.signal.butter(1, 300 / 24000.0, 'lowpass', analog=False) // NOTE: Technically, order-1 filter, b[2] = a[2] = 0.