Literature =========================== .. rubric:: References .. [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, .. [Lyons] Richard Lyons, "Understanding Digital Signal Processing", 3rd Ed., Prentice Hall, 2010. .. [Smith99] Steven W. Smith, "The Scientist and Engineer's Guide to Digital Signal Processing", 3rd Ed., 1999, https://www.DSPguide.com