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Registered SPEECH RECOGNITION SYSTEM AND METHOD USING INCREMENTAL DEVICE-BASED ACOUSTIC MODEL ADAPTATION
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SPEECH RECOGNITION SYSTEM AND METHOD USING INCREMENTAL DEVICE-BASED ACOUSTIC MODEL ADAPTATION
- Inventors
- Kim Dong Hyun, Sanghun Kim, Minkyu Lee, Kim Youngik, Kim Seung Hi, Choi Mu Yeol
- Application No.
- 14256386 (2014.04.18)
- Publication No.
- 20150081300 (2015.03.19)
- Registration No.
- 9601112 (2017.03.21)
- Country
- UNITED STATES
- Project Code
- 13ZS1100, SW Intelligence Key Technologies Development, Hwang Seung Ku
- Abstract
- An embodiment of the present invention relates to a speech recognition system and method using incremental device-based acoustic model adaptation. The speech recognition system comprises a model selection module selecting an acoustic model of multi-model tree by verifying and categorizing a device key transmitted from a user device; a model management module generating and incrementally adapting multi-model tree by categorizing voice data based on a user device; and a speech recognition module performing speech recognition by receiving the acoustic model selected from the model selection module and transmitting data of which reliability exceeds a predetermined threshold value to the model management module.