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Navigator that understands natural speech

26.02.2014

Fujitsu Ten has developed a prototype system that allows the driver to control navigation functions using normal conversational speech, without using special phrases.

The IVRCNU speech recognition system from Fujitsu Ten, manufacturer of Eclipse branded car navigators, is designed for installation in vehicles. A device that understands natural speech is able to provide an intuitive interaction between the driver and the car.

The system is able to understand the driver's intentions based on key phrases or words, even if the exact command has not been given. For example, an intelligent assistant will correctly interpret a person's intentions if they say: "Find me a Chinese restaurant somewhere nearby" or "What will the weather be like tomorrow morning?".

All voice requests received by IVRCNU through the microphone are sent to the server, with which the system establishes communication through a mobile application and an Internet connection. Further, in the remote processing center, the voice command is cleared of noise, after which individual phrases and words are recognized, which are compared with a large vocabulary base. Then the information enters the logical inference system, in which the semantic analysis of the spoken phrase is carried out. Only after that, a voice response is formed for the user, and the data most relevant to the question is displayed on the screen of the multimedia system.

Using the system, the driver can set routes in the navigator, find out weather reports, dial a subscriber's number from the memory of the connected phone, manage multimedia content, etc. A significant part of these functions (for example, typing SMS and sending mail by voice) is already implemented in modern cars, but at the same time, voice control is limited to a set of a limited number of commands in English, which, moreover, may be poorly recognized if the driver’s pronunciation is far away. from the standard.

Fujitsu Ten sees its goal in creating a technology that will allow interpreting a person's natural continuous speech, controlling various functions of the machine (going beyond entertainment, music and social networks), simply talking to him in the most ordinary manner. To date, IVRCNU can only maintain a conversation in English.

Fujitsu Ten clarifies that its development uses speech synthesis and voice recognition technologies from third-party developers, including iNAGO and Nuance Communications. Fujitsu Ten will show a prototype of the system at Mobile World Congress 2014, which will be held in Barcelona at the end of February.

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