Hulan-2013-10-18

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ASR

ASR Kernel development

[ASR group weekly report]

TTS

  • CD lab files done. Refining the script.
  • Training toolkit is cleaned up. Now no alignment is required. Parallel training is done.
  • Tried syllable based system instead of phones.
  • Collected an online-novel reading.

Next week:

  • Refine the script
  • Clean up the online reading.

Dialog system

  • The search system migrated to the custom domain, with significant performance reduction
 Customs:

n TF TFIDF 1 0.496 0.485 2 0.619 0.615 3 0.676 0.673 4 0.713 0.715 5 0.740 0.738

Agriculture: n TF TFIDF 1 0.75 0.8 2 0.85 0.883 3 0.867 0.917 4 0.867 0.95 5 0.95 0.967

  • Two problems:
  1. short of semantic cluster.
  2. limited training data for idf.
  • Next week
  1. Analyse the QA database, to extract useful domain dependent data
  2. Analyse the data to expand the key words & phrases
  3. Analyse the data to attain better IDF.