This archive consists of a set of pitch period and voicing estimates for utterances found in the Aurora 2 corpus using the algorithm described in . Currently, pitch estimates are available for test sets A and B, as well as the clean training data.  H. G. Hirsch and D. Pearce, "The AURORA experimental framework for the performance evaluations of speech recognition systems under noisy condidions", in ISCA ITRW ASR2000 "Automatic Speech Recognition: Challenges for the Next Millennium", Paris, France, September 2000.  J. Droppo and A. Acero. Maximum a Posteriori Pitch Tracking, in Proc. of the Int. Conf. on Spoken Language Processing. Sydney, Australia. Dec 1998.
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