Method for voice recognition
First Claim
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1. A method for voice recognition, comprising:
- providing a database including information for a plurality of streets, the streets being characterized by respective street names and street types;
performing a location-based grammar reduction by eliminating streets remote from a current location of a vehicle;
providing a voice input including a street name information and a street type information;
recognizing, with a voice recognition system, a given street type selected from a given number of different street types by processing the voice input, wherein the step of recognizing a given street type is performed prior to the step of recognizing a street name;
selecting, with the voice recognition system, streets from the database that have the given street type and that have not been eliminated by the location-based grammar reduction as streets remote from the current location of the vehicle, wherein the step of selecting streets having the given street type is performed prior to the step of recognizing a street name; and
subsequently recognizing, with the voice recognition system, a street name of at least one of the streets selected from the database as having the given street type by processing the voice input.
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Abstract
A voice recognition method that is used for finding a street uses a database including information about a plurality of streets. The streets are characterized by respective street names and street types. A user provides a voice input for the street that the user tries to find. The voice input includes a street name and a street type. The street type is recognized by processing the voice input. Streets having the recognized street type are then selected from the database and a street name of at least one of the streets selected from the database is recognized by processing the voice input.
8 Citations
8 Claims
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1. A method for voice recognition, comprising:
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providing a database including information for a plurality of streets, the streets being characterized by respective street names and street types; performing a location-based grammar reduction by eliminating streets remote from a current location of a vehicle; providing a voice input including a street name information and a street type information; recognizing, with a voice recognition system, a given street type selected from a given number of different street types by processing the voice input, wherein the step of recognizing a given street type is performed prior to the step of recognizing a street name; selecting, with the voice recognition system, streets from the database that have the given street type and that have not been eliminated by the location-based grammar reduction as streets remote from the current location of the vehicle, wherein the step of selecting streets having the given street type is performed prior to the step of recognizing a street name; and subsequently recognizing, with the voice recognition system, a street name of at least one of the streets selected from the database as having the given street type by processing the voice input. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for finding information in a database, comprising:
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storing street information in a database, the street information including a street name and a street type for each of a plurality of streets; eliminating streets from the database that are remote from a given location; recognizing, with a voice recognition system, a given street type selected from a given number of different street types by processing a voice input, wherein the step of recognizing a given street type is performed prior to the step of recognizing a street name; eliminating streets from the database that have a street type different from the given street type; and subsequently recognizing, with the voice recognition system, a street name by matching at least one phoneme recognized in the voice input to at least one phoneme characterizing respective streets that have not been eliminated from the database.
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Specification