Kim E. A. Silverman Mary E. Beckman John F. Pitrelli Mari Ostendorf Colin W. Wightman Patti Price Janet B. Pierrehumbert Julia Hirschberg TOBI: a standard for labeling English prosody. 1992 ICSLP http://www.isca-speech.org/archive/icslp_1992/i92_0867.html conf/interspeech/1992 db/conf/interspeech/icslp1992.html#SilvermanBPOWPPH92