Irvine L Hetherington, 5915 Evergreen Rd, Acton, MA 01720
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55 School St, Acton, MA 01720 978-2660146
15 Evergreen Rd, Acton, MA 01720
Belmont, MA
Mattoon, IL
55 School St, Acton, MA 01720
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Us Patents
Concatenative Speech Synthesis Using A Finite-State Transducer
US Patent:
7165030, Jan 16, 2007
Filed:
Sep 17, 2001
Appl. No.:
09/954979
Inventors:
Jon Rong-Wei Yi - Cambridge MA, US
James Robert Glass - Cambridge MA, US
Irvine Lee Hetherington - Acton MA, US
James Robert Glass - Cambridge MA, US
Irvine Lee Hetherington - Acton MA, US
Assignee:
Massachusetts Institute of Technology - Cambridge MA
International Classification:
G10L 15/08
US Classification:
704238, 704258, 704260
Abstract:
A method for concatenative speech synthesis includes a processing stage that selects segments based on their symbolic labeling in an efficient graph-based search, which uses a finite-state transducer formalism. This graph-based search uses a representation of concatenation constraints and costs that does not necessarily grow with the size of the source corpus thereby limiting the increase in computation required for the search as the size of the source corpus increases. In one application of this method, multiple alternative segment sequences are generated and a best segment sequence is then be selected using characteristics that depend on specific signal characteristics of the segments.
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