A guide to segmenting speech using acoustic features (i.e., spectrograms)
Turk, Alice, Nakai, Satsuki and Sugahara, Mariko. “Acoustic Segment Durations in Prosodic Research: A Practical Guide”. Methods in Empirical Prosody Research, edited by Stefan Sudhoff, Denisa Lenertova, Roland Meyer, Sandra Pappert, Petra Augurzky, Ina Mleinek, Nicole Richter and Johannes Schließer, Berlin, Boston: De Gruyter, 2006, pp. 1-28.
https://doi.org/10.1515/9783110914641.1 (Available online through the University of Edinburgh library)