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EKT353 DIGITAL SIGNAL PROCESSING Assignment 3 1) Automatic Speech Recognition (ASR) is the technology that allows computer system to recognise human voice or person identity based on speech signal. Analyze a simple process in ASR to extract (5 Marks) important features exist in speech signal. 2) Calculate the 10 filterbanks using Mel-Frequency Filterbank (MFCC) technique where the lower frequency is 300 Hz and upper frequency is 4000 Hz. Sketch the frequency response of this mel- filterbank. (5 Marks) oe
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