INTERSPEECH 2009
10th Annual Conference of the International Speech Communication Association

Brighton, United Kingdom
September 6-10, 2009

Hybrid Approach to Grapheme to Phoneme Conversion for Korean

Jinsik Lee (1), Byeongchang Kim (2), Gary Geunbae Lee (1)

(1) POSTECH, Korea
(2) Catholic University of Daegu, Korea

In the grapheme to phoneme conversion problem for Korean, two main approaches have been discussed: knowledge-based and data-driven methods. However, both camps have limitations: the knowledge-based hand-written rules cannot handle some of the pronunciation changes due to the lack of capability of linguistic analyzers and many exceptions; data-driven methods always suffer from data sparseness. To overcome the shortages of both camps, this paper presents a novel combining method which effectively integrates two components: (1) a rule-based converting system based on linguistically motivated hand-written rules and (2) a statistical converting system using a Maximum Entropy model. The experimental results clearly show the effectiveness of our proposed method.

Full Paper

Bibliographic reference.  Lee, Jinsik / Kim, Byeongchang / Lee, Gary Geunbae (2009): "Hybrid approach to grapheme to phoneme conversion for Korean", In INTERSPEECH-2009, 1291-1294.