Computer Science ›› 2013, Vol. 40 ›› Issue (7): 131-137.

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Research on Technology of Voice Instruction Recognition for Air Traffic Control Communication

LIU Wan-feng,HU Jun and YUAN Wei-wei   

  • Online:2018-11-16 Published:2018-11-16

Abstract: Training of air traffic control(ATC) communication in English is the main content of ATC simulator trai-ning.This paper focused on the voice instruction recognition in ATC simulator training which includes the analysis of the basic characteristics of ATC communication,the grammar description for language model,the recognition processing in special pronunciation of instruction,the processing method after recognition and the way of acoustic model adapting.Based on the excellent speech recognition engine Sphinx-4,we designed and implemented a voice instruction recognition system,AIRS (ATC Instruction Recognition System).The experimental results show that the accuracy rate of voice instruction recognition after the acoustic model adapting can reach the demand for ATC simulator training.

Key words: Speech recognition,ATC instruction recognition,Sphinx-4,Air traffic control communication

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