Dear All,
Although I haven't yet had a response from one of my co-authors, I thought
I'd better circulate this in time for others to read it and make helpful
suggestions (please...). I can easily lose another few words, but am more
concerned that it should make sense before any final tinkering.
Finding dates for an extended meeting is looking very difficult unless
we're prepared for at least one person not to be there! I would still be
available on Nov 6 (Fri), but probably not Nov 7 if I have to get a
Saturday flight for Spain;
Nov 7/8-11 will be taken up with Vigo; I could manage 12-13 Nov, but not 14.
Best,
Jill
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{\author J.House}{\operator J.House}{\creatim\yr1998\mo10\dy12\hr21\min51}{\revtim\yr1998\mo10\dy12\hr21\min53}{\printim\yr1998\mo10\dy12\hr20\min23}{\version2}{\edmins2}{\nofpages1}{\nofwords467}{\nofchars2666}{\*\company Phonetics,UCL}{\vern57443}}
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\b\fs28 Intonation modelling in ProSynth: an integrated prosodic approach to speech synthesis
\par }\pard \widctlpar
\par \pard \widctlpar {\fs20 Central to the ProSynth approach to speech synthesis is a rich linguistic representation in the form of twin, head-driven hierarchical structures: one providing a detail
ed lexical and syntactic parse of the input text, the other a phonological parse into a strictly layered prosodic hierarchy. Linguistic information is stored as attributes at structural nodes, as are acoustic-phonetic values derived from an extensive spo
ken database exemplifying structures of interest. Our implementation in XML allows links to be readily made between the two hierarchies. Phonetic interpretation of the linguistic structure integrates information stored at all levels. Our aim is the gene
ration of natural-sounding, perceptually robust speech.
\par }\pard \widctlpar {\fs20
\par }\pard \widctlpar {\fs20
Intonation modelling in ProSynth involves identifying the relevant properties of the F0 contour and relating them correctly to the units of structure in the prosodic hierarchy. Importantly, there is an element of paradigmatic choice: a \ldblquote
neutral, declarative\rdblquote reading of a text is only one of a range of discourse possibilities. Relevant discoursal information is stored at the top of the prosodic hierarchy at the level of the Intonational Phrase (IP). Th
e IP consists of one or more Accent Groups (AG), whose attributes include the formal pitch accent specifications appropriate to the discoursal information. The AG is in turn made up of Feet, with attributes such as strength and weight allowing differentia
tion into a variety of rhythmic structures. Within Feet we find Syllables and their syllabic constituents, Onsets and Rhymes.
\par }\pard \widctlpar {\fs20
\par }\pard \widctlpar {\fs20 Recent work has demonstrated that both frequency scaling and temporal alignment of F0 contours are sensitive to prosodic structur
e. For example, the alignment of pitch accent peaks and troughs is constrained by proximity to upcoming IP, AG, or Foot boundaries. Further adjustments to both timing and frequency will depend on properties of the syllabic constituents. Word boundari
es may also have relevant timing effects; though excluded from our strictly layered prosodic hierarchy, the relevant information is recovered from the syntactic hierarchy and stored at Syllable level.
\par }\pard \widctlpar {\fs20
\par }\pard \widctlpar {\fs20 The ProSynth database speech files are fully labelled
in terms of our prosodic constituents. F0 modelling uses an even richer segmentation: values are extracted and stored for all boundary positions, then further labels added to coincide with turning points (highs and lows) in a template shape associated w
ith each pitch accent; their timing and frequency values are stored in the node appropriate to the prosodic constituent in which they occur. We can thus model the contribution of different domains (Syllable, Foot, AG) to pitch accent realisation.
\par }\pard \widctlpar {\fs20
\par
\par Authors: \tab \tab Jill House, Jana Dankovi}{\fs20 {\field{\*\fldinst SYMBOL 133 \\f "WP MultinationalA Roman" \\s 10}{\fldrslt\f97\fs20}}}{\fs20 ov}{\fs20 {\field{\*\fldinst SYMBOL 60 \\f "WP MultinationalA Roman" \\s 10}{\fldrslt\f97\fs20}}}{\fs20
, Mark Huckvale
\par Affiliation: \tab \tab University College London, UK
\par Author to contact: \tab Jill House
\par Postal Address: \tab \tab Dept of Phonetics & Linguistics
\par \tab \tab \tab UCL
\par \tab \tab \tab Gower Street \tab
\par }\pard \fi720\li1440\widctlpar {\fs20 London WC1E 6BT, UK
\par }\pard \widctlpar {\fs20 E-mail: \tab \tab \tab jill@phonetics.ucl.ac.uk
\par Telephone:\tab \tab +44 171 419 3167
\par Fax:\tab \tab \tab +44 171 383 4108
\par No.of words in abstract: \tab 403
\par Subject area: \tab \tab Prosody
\par Preferred method of presentation: No preference
\par }\pard \widctlpar
\par
\par }
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