In a real environment, acoustic and language features often vary depending on the
speakers, speaking styles and topic changes. This paper focuses on changes in the
language environment, and applies a topic tracking model to language model adaptation for
speech recognition and topic word extraction for meeting analysis. The topic tracking model
can adaptively track changes in topics based on current text information and previously
estimated topic models in an online manner. The effectiveness of the proposed method is …

Application of topic tracking language model to language model adaptation and meeting
analysis | CiNii Research … Application of topic tracking language model to language
model adaptation and meeting analysis … IEEE Workshop on Spoken Language
Technology (SLT) 366-371, 2010 …