Fundamentals of speech recognition
Fundamentals of speech recognition
Discrete Time Processing of Speech Signals
Discrete Time Processing of Speech Signals
IEEE Pervasive Computing
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In this paper, an embedded isolated word recognition system, which is designed for command and control applications, is presented. The hardware is designed by using a 32 bit general purpose ARM7TDMI cored microcontroller and required peripherals. Vector Quantization (VQ) and Discrete Hidden Markov Model (HMM) based speech recognition algorithms are implemented on the embedded system. The system is tested on a data set containing fifty four Turkish words taken from forty speakers. Using this data set, the VQ classifier obtained 99% and HMM classifier obtained about 97% average recognition rates in simulations.