SVitchboard-II and FiSVer-I: Crafting high quality and low complexity conversational english speech corpora using submodular function optimization

•We introduced a set of conversational English speech corpora with high acoustic quality and limited vocabulary derived from the Switchboard-I and Fisher datasets.•We investigated numerous state-of-the-art submodular function optimization procedures, including SCSC/SCSK, DS and SFM optimization.•We surveyed different submodular function i...More