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US 8,078,467 B2Granted
Device and method for language model switching and adaptation
AssigneeNEC (China) Co., Ltd.
InventorsGenqing Wu, Liqin Xu
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AssigneeNEC (China) Co., Ltd.
InventorsGenqing Wu, Liqin Xu
Estimating the term…
This invention provides a device and method for language model switching and adaptation, wherein the device comprises a notification manager which notifies a language model switching section of the current status information or the request for the language model of an destination application when the status of the destination application is changed; a language model switching section which selects one or more language models to be switched from a language model set according to the received current status information or the request; a LMB engine decodes a user input using the one or more selected language models; and a language model adaptation section which receives the decoded result and modifies the one or more selected language models based on the decoded result. Therefore, the user input is more accurate even if the language model switching section performs different switches among different language models and the performance of the language models are improved by the language model adaptation section.
A device for language model switching and adaptation, comprising:
A method of language model switching and adaptation, comprising:
Dependencies are inferred from the claim text.
From the US filing history. Foreign family members aren’t listed.
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Natural language analysis: language identification
Using natural language modelling: using context dependencies, e.g. language models
Using non-speech characteristics: of application context
Computing and data processing
About 2 years 11 months of term left · ends 5 Oct 2029 (estimated)
1. Field of the Invention
The present invention relates generally to the field of Nature Language Processing. More specifically, the present invention relates to a device and method for language model switching and adaptation.
2. Description of the Prior Art
These and/or other aspects and advantages of the present invention will become apparent and more readily appreciated from the following description of the embodiment, taken in conjunction with the accompany drawings of which:
FIG. 1 is a schematic block diagram of a device for language model switching and adaptation according to an embodiment this invention,
FIG. 2 is a schematic block diagram of the key components of the device performing the switching and adaptation process according to this invention.
FIG. 1 shows the schematic block diagram of the device for language model switching and adaptation according to this invention. The device comprises a CPU 01 which offers computing ability for all applications, an internal bus 02 through which the device exchanges data between a memory 07 and a persistent storage 04 (it can be hard disks or flash memory), common applications 09 and a user interface 03 which is the especially keyboards for key input and microphones for voice input, etc. The persistent storage 04 stores language model set 05 and some other data 08. The device further comprises a destination application 14, a language model adaptation section 12, a language model switching section 11, a notification manager 13 and a language model related (LMB) engine 10.
The LMB engine 10 generally uses language model and offers language-model-related services for applications. The LMB engine 10 is, for example, a text input engine or a speech recognition engine. The destination application 14 is an application that receives language model-related services from the LMB Engine 10, such as the Notepad, Word application, and a mail editor etc.
The language model set 05 manages a set of language models for different situations.