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IEICE TRANSACTIONS on Information

Phonetically Balanced Text Corpus Design Using a Similarity Measure for a Stereo Super-Wideband Speech Database

Yoo Rhee OH, Yong Guk KIM, Mina KIM, Hong Kook KIM, Mi Suk LEE, Hyun Joo BAE

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Summary :

In this paper, we propose a text corpus design method for a Korean stereo super-wideband speech database. Since a small-sized text corpus for speech coding is generally required for speech coding, the corpus should be designed to comply with the pronunciation behavior of natural conversation in order to ensure efficient speech quality tests. To this end, the proposed design method utilizes a similarity measure between the phoneme distribution occurring from natural conversation and that from the designed text corpus. In order to achieve this goal, we first collect and refine text data from textbooks and websites. Next, a corpus is designed from the refined text data based on the similarity measure to compare phoneme distributions. We then construct a Korean stereo super-wideband speech (K-SW) database using the designed text corpus, where the recording environment is set to meet the conditions defined by ITU-T. Finally, the subjective quality of the K-SW database is evaluated using an ITU-T super-wideband codec in order to demonstrate that the K-SW database is useful for developing and evaluating super-wideband codecs.

Publication
IEICE TRANSACTIONS on Information Vol.E94-D No.7 pp.1459-1466
Publication Date
2011/07/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E94.D.1459
Type of Manuscript
PAPER
Category
Speech and Hearing

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