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Language identification using a combined articulatory prosody framework | IEEE Conference Publication | IEEE Xplore

Language identification using a combined articulatory prosody framework


Abstract:

This study presents new advancements in our articulatory-based language identification (LID) system. Our LID system automatically identifies language-features (LFs) from ...Show More

Abstract:

This study presents new advancements in our articulatory-based language identification (LID) system. Our LID system automatically identifies language-features (LFs) from a phonological features (PFs) based representation of speech. While our baseline system uses a static PF-representation for extracting LFs, die new system is based on a dynamic PF representation for feature extraction. Interestingly, the new LFs outperform our baseline system by 11.8% absolute in a difficult 5-way classification task of South Indian Languages. Additionally, we incorporate pitch and energy based features in our new system to leverage prosody in classification. In particular, we employ a Legendre polynomial based contour-estimation to capture shape parameters which are used in classification. Additionally, die fusion of PF and prosody-based LFs further improves die overall classification result by 16.5% absolute over die baseline system Finally, die proposed articulatory language ID system is combined with a PPRLM (parallel phone recognition language model) system to obtain an overall classification accuracy of 86.6%.
Date of Conference: 22-27 May 2011
Date Added to IEEE Xplore: 11 July 2011
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ISSN Information:

Conference Location: Prague, Czech Republic

References

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