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Abstract On Artificial Intelligence

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Abstract :Artificial intelligence(AI) is a science that involves simulation of intelligent behaviours in machineries, like visual perception, decision making, speech recognition and so on. While the rate of progress in AI has been patchy and unpredictable, there have been significant advances. In this paper we discuss about one of the upcoming field in artificial intelligence which is automatic speech recognition from neural signals. Nowadays speech interfaces are becoming more common and popular becoming a part of daily lives. Speech interfaces have the ability to produce intelligible speech in cases where it is not possible for speech production. (ie, in the case of locked in syndrome,Lou Gehrig’s disease patients). For such reasons it is desirable to not speak but to simply envision oneself to say words or sentences. Introduction : Speech driven services like Siri and Google voice search are used by millions of people in their everyday lives. These speech interfaces allow natural interaction with electronic devices and enable faster communication.Brain-computer interface(BCI), also called as mind machine interface (MMI), direct neural interface (DNI) isa collaboration between a brain and an external component or device that facilitates brain signals to manipulate or control some activity of that device. This provides direct communication pathway between the brain and the component to be controlled. BCI’s usage is limited. This is partly due to the unnatural paradigms that are used to give commands and texts to the BCI’s like motion of hands etc. This is slow and unnatural. On the other hand if speech was used as a paradigm then it would be faster and more natural.But only the concept of thought to speech would enable severely disabled persons (i.e., locked-in syndrome, Lou Gehrig’s syndrome) to communicate with the outside world. ASR: Automatic speech recognition involves methods and techniques for speech recognition and translation. It can be based on various inputs like neural signals, text input etc. Brain Imaging Techniques: Potential of neural signals that are used for recognizing speech are decided by using brain imaging techniques. The major techniques are as follows: FMRI: Functional

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