2013.iwslt-evaluation.15@ACL

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#1 The RWTH Aachen German and English LVCSR systems for IWSLT-2013 [PDF] [Copy] [Kimi1] [REL]

Authors: M. Ali Basha Shaik, Zoltan Tüske, Simon Wiesler, Markus Nußbaum-Thom, Stephan Peitz, Ralf Schlüter, Hermann Ney

In this paper, German and English large vocabulary continuous speech recognition (LVCSR) systems developed by the RWTH Aachen University for the IWSLT-2013 evaluation campaign are presented. Good improvements are obtained with state-of-the-art monolingual and multilingual bottleneck features. In addition, an open vocabulary approach using morphemic sub-lexical units is investigated along with the language model adaptation for the German LVCSR. For both the languages, competitive WERs are achieved using system combination.

Subject: IWSLT.2013 - Evaluation Campaign