Hulan-2014-02-21

ASR

ASR Kernel development

[ASR group weekly report]

Patent

• N-best based speech QA method & system

• Writing background
• 1st draft will be ready in 2 days

TTS

• Voice quality improvement

• Pronunciation lexicon check
• 50k Tencent lexicon is under check, by comparing google's result
• Incorrect entries reach to about 10%
• 1/5 pronunciations completed

• Child voice

• 2 utterances were obtained
• ready to adaptation

Dialog system

• Xiaoxi optimized the search speed by caching segments
• 80M increase in memory due to the cache
• Fuzzy match with tf-idf weight will be available next week
• FST-based match is under investigation

System design

• Lucent search is done, 40 candidates can be output
• Pattern matching integration done
• Code refinement ready