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Analysis and Prediction of Prosodic Phrage Boundary
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운율구 경계현상 분석 및 텍스트에서의 운율구 추출

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Type
Academic journal
Author
Kim, Sang-Hun (한국전자통신연구소 음성언어연구실) Seong, Cheol-Jae (한국전자통신연구소 음성언어연구실) Lee, Jung-Chul (한국전자통신연구소 음성언어연구실)
Journal
The Acoustical Society Of Korea 한국음향학회지 한국음향학회지 제16권 제1호 KCI Accredited Journals
Published
1997.1
Pages
24 - 32 (9page)

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Analysis and Prediction of Prosodic Phrage Boundary
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This study aims to describe, at one aspect, the relativity between syntactic structure and prosodic phrasing, and at the other, to establish a suitable phrasing pattern to produce more natural synthetic speech. To get meaningful results, all the word boundaries in the prosodic database were statistically analyzed, and assigned by the proper boundary type. The resulting 10 types of prosodic boundaries were classified into 3 types according to the strength of the breaks, which are zero, minor, and major break respectively. We have found out that the durational information was a main cue to determine the major prosodic boundary. Using the bigram and trigram of syntactic information, we predicted major and minor classification of boundary types. With brigram model, we obtained the correct major break prediction rates of 4.60%, 38.2%, the insertion error rates of 22.8%, 8.4% on each Test-I and Test-II text database respectively. With trigram mode, we also obtained the correct major break prediction rates of 58.3%, 42.8%, the insertion error rates of 30.8%, 42.8%, the insertion error rates of 30.8%, 11.8% on Test-I and Test-II text database respectively.

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