Now showing items 1-2 of 2

    • Constructing sub-word units for spoken term detection 

      van Heerden, Charl; Karakos, Damianos; Narasimhan, Karthik; Schwartz, Richard; Davel, Marelie H. (Acoustics, Speech and Signal Processing (ICASSP), 2017)
      Spoken term detection, especially of out-of-vocabulary (OOV) keywords, benefits from the use of sub-word systems. We experiment with different language-independent approaches to sub-word unit generation, generating both ...
    • Phone recognition for spoken web search 

      Barnard, Etienne; van Heerden, Charl; Kleynhans, Neil; Bali, Kalika; Davel, Marelie H. (MediaEval Workshop, Pisa, Italy, 2011)
      Aiming at both speaker independence and robustness with respect to recognition errors in the spoken queries, we have implemented a two-pass system for spoken web search. In the first pass, unconstrained phone recognition ...