s here are experimentally determined.
      let biquadTestConfigs = [
        {
          filterType: 'lowpass',
          snrThreshold: 91.221,
          errorThreshold: {relativeThreshold: 4.9834e-5}
        },
        {
          filterType: 'highpass',
          snrThreshold: 105.4590,
          errorThreshold: {absoluteThreshold: 2.9e-6, relativeThreshold: 3e-5}
        },
        {
          filterType: 'bandpass',
          snrThreshold: 104.060,
          errorThreshold: {absoluteThreshold: 2e-7, re