Telecommunications Science ›› 2018, Vol. 34 ›› Issue (2): 1-11.doi: 10.11959/j.issn.1000-0801.2018095

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Research development and forecast of automatic speech recognition technologies

Haikun WANG,Jia PAN,Cong LIU   

  1. AI Research Institute of IFLYTEK Co.,Ltd.,Hefei 230088,China
  • Revised:2018-01-31 Online:2018-02-01 Published:2018-02-13

Abstract:

The purpose of automatic speech recognition (ASR) is to make the machine to be able to “understand” the human speech and transform it to readable text information.ASR is one of the key technologies of human machine interaction and also a hot research domain for a long time.In recent years,due to the application of deep neural networks,the use of big data and the popularity of cloud computing,ASR has made great progress and break through the threshold of application in many industries.More and more products with ASR have entered people’s daily life,such as Apple’s Siri,Amazon’s Alexa,IFLYTEK speech input method and Dingdong intelligent speaker and so on.The development status and key breakthrough technologies in recent years were introduced.Also,a forecast of ASR technologies’ trend of development was given.

Key words: automatic speech recognition, deep neural network, acoustic model, language model

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