Recognition dictionary system structure and changeover method of speech recognition system for car navigation
US6112174A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Nov 13, 1997 |
| Grant date | Aug 29, 2000 |
| Priority date | — |
| Expiry date | Nov 13, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L2015/228
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A speech recognition system realizing large-vocabulary speech recognition at a low cost without deteriorating the rate of recognition and a recognition speed performance is provided with a dictionary change-over section for making a change-over between dictionaries to be subjected to speech recognition in accordance with dictionary change-over information, a first memory for storing a plurality of dictionaries, a second memory for storing one dictionary made an object of recognition, and a speech recognition section for performing a speech recognition processing, whereby speech recognition is performed while making a change-over between dictionaries, as required. For example, in a car navigation speech recognition system, the change-over between dictionaries is made for each area in accordance with position information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.