Automatic dynamic speech recognition vocabulary based on external sources of information
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United States of America Patent
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Aug 30, 2005
Grant Date -
Jul 4, 2002
app pub date -
Dec 28, 2000
filing date -
Dec 28, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
An interactive voice response system is able to respond to questions from users on general topics by including words related to those topics in the grammar of a speech recognition system. Words that are added for all users are obtained from current news reports obtained from news providers accessible via the Internet, or a similar source. In addition, information is stored in an information database about places or people that may be of interest to users, such as weather reports and forecasts for many cities. The grammar of the speech recognition system is modified for an individual user to enable the system to recognize questions relating to, e.g., the weather in one of the cities, only when the system detects that the user has accessed a file containing a word included in the information database. The file may be a message, calendar or address book.
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