[nl-uiuc] [Fwd: [aivr] AIVRH Seminar 9/15 - Chilin Shih]
mfleck at cs.uiuc.edu
Mon Sep 12 10:03:12 CDT 2005
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Subject: [aivr] AIVRH Seminar 9/15 - Chilin Shih
Date: Fri, 9 Sep 2005 14:27:35 -0500
From: Kim Osmond <kosmond at cs.uiuc.edu>
To: 'AIVR' <aivr at cs.uiuc.edu>, 'Beckman AI faculty'
<ai-faculty at scollins.ai.uiuc.edu>, 'Beckman AI students'
<ai-students at scollins.ai.uiuc.edu>, 'cs-grads' <cs-grads at cs.uiuc.edu>
CC: 'Erna A Amerman' <erna at ad.uiuc.edu>
*Department of EALC/Linguistics*
Thursday, September 15, 2 p.m.
2405 Siebel Center
Prosody Learning and Generation
Words refer to *what* you say in speech. Prosody refer to *how* you say
it. Prosody is not written in text. Therefore, from the point of view
of building a text-to-speech system, prosody has to be generated from
scratch. This talk addresses one of the acoustic correlates of prosody,
the learning and generation of intonation (f0).
Many channels of information are carried in f0 contours, including
lexical information such as tones and accents, sentence intonation such
as question and statement, discourse functions such as focus and
information structure, as well as emotions such as happiness and anger.
How is all this information carried on a shared channel? How is it encoded?
Conflicts arise when all these pieces of information are represented
simultaneously. We show that speech prosody can be modeled as an
optimization problem, where the speaker attempts to minimize a
communication error term plus a term which behaves like the effort
required to communicate. This approach has yielded realistic models of
intonation in Mandarin, Cantonese, limited domain English dialogue, and
the imitation of distinctive rhetorical styles.
Department of Computer Science
University of Illinois
3316 Siebel Center
201 N. Goodwin Ave.
Urbana, Illinois 61801
"The tragedy of life is not that it ends so soon, but that we wait so
long to begin it."
~ W.M. Lewis ~
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