Literature
===========================

.. rubric:: References

.. [dsp_stackexchange_2021] "Estimating reverberant time (T60) of an IIR filter", 30.8. 2021, 
    https://dsp.stackexchange.com/questions/77005/estimating-reverberant-time-t60-of-an-iir-filter

.. [dsp_stackexchange_2022] "IIR filter relaxation time computation", 30.6.2022
    https://dsp.stackexchange.com/questions/68023/iir-filter-relaxation-time-computation

.. [Endolith_5828333] Endolith,"designtools.py", Github Gist https://gist.github.com/endolith/5828333

.. [JOS] Julius O. Smith III, "Numerical Computation of Group Delay" in
    "Introduction to Digital Filters with Audio Applications",
    Center for Computer Research in Music and Acoustics (CCRMA), Stanford University,
    http://ccrma.stanford.edu/~jos/filters/Numerical_Computation_Group_Delay.html,
    referenced 2014-04-02 or
    https://www.dsprelated.com/freebooks/filters/Numerical_Computation_Group_Delay.html

.. [JOS_time_constant] Julius O. Smith III, "Time Constant of One Pole", from "Introduction to
    digital filters",
    https://ccrma.stanford.edu/~jos/fp/Time_Constant_One_Pole.html

.. [Lyons] Richard Lyons, "Understanding Digital Signal Processing", 3rd Ed.,
    Prentice Hall, 2010.

.. [Lyons08] Richard Lyons, "Computing the Group Delay of a Filter", DSPrelated.com,
    19. Nov. 2008, https://www.dsprelated.com/showarticle/69.php

.. [Scipy_1175] Scipy issue #1175 "Additional functions for scipy.signal",
    25. Apr. 2013, https://github.com/scipy/scipy/issues/1175

.. [Scipy_9310] Scipy issue #9310 "signal.group_delay fails for narrow band filters",
    26. Sep. 2018, https://github.com/scipy/scipy/issues/9310

.. [Smith99] Steven W. Smith, "The Scientist and Engineer's Guide to
       Digital Signal Processing", 3rd Ed., 1999, https://www.DSPguide.com

.. [SPA] https://github.com/spatialaudio/group-delay-of-filters

.. [Yates_2020] Randy Yates, "Fixed-Point Arithmetic: An Introduction",
    15. Sep. 2020, http://www.digitalsignallabs.com/fp.pdf