Paul Boersma is a phonetician who co-created Praat with David Weenink. His work connects acoustic measurements to computational methods, including the estimation of fundamental frequency from sampled speech.[ref]
Praat: doing phonetics by computer by Paul Boersma and David Weenink. Intro, authorship
His 1993 periodicity-analysis paper examines how signal sampling and a finite analysis window affect estimates based on autocorrelation. Repetition produces peaks at nonzero time lags; locating a suitable peak gives a candidate period, while the relative peak height contains information about periodicity. Correcting the influence of the analysis window is important before interpreting those peaks as properties of the original signal.[ref]
Accurate short-term analysis of the fundamental frequency and the harmonics-to-noise ratio of a sampled sound by Paul Boersma. Sections1–3: autocorrelation, windowing and pitch-period estimation
Homepage: www.fon.hum.uva.nl/paul/
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