Yegnanarayana, B Ananthapadmanabha, T. V. On improving the reliabilty [i.e., reliability] of cepstral pitch estimation Computer Science Department Computational linguistics.;Speech processing systems.;Information theory. 2010-02-01
    https://kilthub.cmu.edu/articles/journal_contribution/On_improving_the_reliabilty_i_e_reliability_of_cepstral_pitch_estimation/6607856
10.1184/R1/6607856.v1