System and method for enhancing speech recognition accuracy using weighted grammars based on user profile including demographic, account, time and date information
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United States of America Patent
Stats
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Jan 22, 2019
Grant Date -
Jan 25, 2018
app pub date -
Aug 17, 2017
filing date -
Dec 19, 2008
priority date (Note) -
In Force
status (Latency Note)
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US Family Size
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Non-US Coverage
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Abstract
Disclosed herein are systems, computer-implemented methods, and computer-readable media for enhancing speech recognition accuracy. The method includes dividing a system dialog turn into segments based on timing of probable user responses, generating a weighted grammar for each segment, exclusively activating the weighted grammar generated for a current segment of the dialog turn during the current segment of the dialog turn, and recognizing user speech received during the current segment using the activated weighted grammar generated for the current segment. The method can further include assigning probability to the weighted grammar based on historical user responses and activating each weighted grammar is based on the assigned probability. Weighted grammars can be generated based on a user profile. A weighted grammar can be generated for two or more segments. The weighted grammar is weighted based on a user profile which includes of information about a number called from, account information, a time of day, and a date. Exclusively activating each weighted grammar can include a transition period blending the previously activated grammar and the grammar to be activated.
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International Classification(s)
- 2017 Application Filing Year
- G10L Class
- 3736 Applications Filed
- 2832 Patents Issued To-Date
- 75.81 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- G10L Class
- 30.46 % this patent is cited more than
- 6 Age
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