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@INPROCEEDINGS{Rasipuram_ICASSP_2015,
         author = {Rasipuram, Ramya and Razavi, Marzieh and Magimai.-Doss, Mathew},
       projects = {Idiap},
          month = apr,
          title = {Integrated Pronunciation Learning for Automatic Speech Recognition Using Probabilistic Lexical Modeling},
      booktitle = {International Conference on Acoustics, Speech and Signal Processing},
           year = {2015},
          pages = {5176-5180},
       location = {South Brisbane, QLD},
            doi = {10.1109/ICASSP.2015.7178958},
       abstract = {Standard automatic speech recognition (ASR) systems use phoneme-based pronunciation lexicon prepared by linguistic experts. When the hand crafted pronunciations fail to cover the vocabulary of a new domain, a grapheme-to-phoneme (G2P) converter is used to extract pronunciations for new words and then a phoneme-
based ASR system is trained. G2P converters are typically trained only on the existing lexicons. In this paper, we propose a grapheme-based ASR approach in the framework of probabilistic lexical modeling that  integrates pronunciation learning as a stage in ASR system training, and exploits both acoustic and lexical resources (not necessarily from the domain or language of interest). The proposed approach is evaluated on four lexical resource constrained ASR tasks and compared with the conventional two stage approach where G2P
training is followed by ASR system development.},
            pdf = {https://publications.idiap.ch/attachments/papers/2015/Rasipuram_ICASSP_2015.pdf}
}