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Automatic transcription of conversational telephone speech
2005
IEEE Transactions on Speech and Audio Processing
This paper discusses the Cambridge University HTK (CU-HTK) system for the automatic transcription of conversational telephone speech. A detailed discussion of the most important techniques in front-end processing, acoustic modeling and model training, language and pronunciation modeling are presented. These include the use of conversation side based cepstral normalization, vocal tract length normalization, heteroscedastic linear discriminant analysis for feature projection, minimum phone error
doi:10.1109/tsa.2005.852999
fatcat:dph5bdynzfd45pisirckpsvdge