METHOD AND SYSTEM FOR IMPROVING SPEECH RECOGNITION ACCURACY BY USE OF GEOGRAPHIC INFORMATION
First Claim
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1. A method for speech recognition, the method comprising the steps of:
- providing a source of geographical information within a vehicle, the geographical information pertaining to at least one of;
a current location of the vehicle;
a planned travel route of the vehicle; and
a map displayed within the vehicle; and
recognizing words spoken within the vehicle by use of a speech recognition module, the recognizing being dependent upon the geographical information.
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Abstract
A method for speech recognition includes providing a source of geographical information within a vehicle. The geographical information pertains to a current location of the vehicle, a planned travel route of the vehicle, a map displayed within the vehicle, and/or a gesture marked by a user on a map. Words spoken within the vehicle are recognized by use of a speech recognition module. The recognizing is dependent upon the geographical information.
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Citations
20 Claims
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1. A method for speech recognition, the method comprising the steps of:
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providing a source of geographical information within a vehicle, the geographical information pertaining to at least one of; a current location of the vehicle; a planned travel route of the vehicle; and a map displayed within the vehicle; and recognizing words spoken within the vehicle by use of a speech recognition module, the recognizing being dependent upon the geographical information. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for speech recognition, the method comprising the steps of:
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automatically providing a first category of geographical information to a user; deriving a second category of geographical information from inputs provided by the user at least one of orally and manually via a user interface; extracting a plurality of candidate words from the geographical information, first ones of the candidate words being extracted from the first category of geographical information, and second ones of the candidate words being extracted from the second category of geographical information; and recognizing words spoken within the vehicle by use of a speech recognition module, the recognizing including selecting at least one word from the candidate words, the second candidate words being given more weight in the selecting than are the first candidate words. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method for speech recognition, the method comprising the steps of:
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displaying within a vehicle a map of a first geographical area; deriving geographical information from a second geographical area manually defined by a user on a touch screen on which the map is displayed, the second geographical area being a subset of the first geographical area; and recognizing words spoken within the vehicle by use of a speech recognition module, the recognizing being dependent upon the geographical information derived from the second geographical area. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification