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Development of a Voice Controlled UHF Radio

Lars Bengtsson (Institutionen för data- och informationsteknik, Datorteknik (Chalmers)) ; Daniel Tielas
2012. - 7 s.
[Rapport]

More and more devices attempt to improve user interaction, including the use of speech recognition. The project aim was to develop an efficient system for voice control of an operative UHF radio in sporting environments. The objective was to perform a theoretical study and analysis of state of the art in voice control algorithms. In a second phase, the work was focused on developing and testing a demonstrator device with the concepts and conclusions reached in the theory study. An Android device recognizes specific voice commands and sends the orders to the UHF radio by a combination of serial and TCP/IP communications. For control with maximum accuracy and minimum power consumption, Hidden Markov Models (HMMs) and Dynamic Time Warping (DTW) algorithms for voice recognition have been studied, optimized and implemented through several applications in Java.



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Denna post skapades 2012-12-21.
CPL Pubid: 168527