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Computer-project-04

Course: EE 8373, Fall 2009
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8373 EE - Digital Speech Processing Spring 2004 Computer Project #4 Due: Apr 12, 2004 (Distance Students: Apr 16, 2004) In this laboratory exercise, you are to compare the smoothed spectra obtained with linear prediction with that obtained by short-time Fourier analysis. Use the autocorrelation method of linear prediction to compute the coecients of the prediction polynomial for the four speech les. Apply a...

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8373 EE - Digital Speech Processing Spring 2004 Computer Project #4 Due: Apr 12, 2004 (Distance Students: Apr 16, 2004) In this laboratory exercise, you are to compare the smoothed spectra obtained with linear prediction with that obtained by short-time Fourier analysis. Use the autocorrelation method of linear prediction to compute the coecients of the prediction polynomial for the four speech les. Apply a Hanning window of duration 51.2 msec to the data prior to the computation of the correlation Evaluate function. these coecients for orders 4 (too low), 6 (exactly right for your data) and 14 (too large). Compute the log magnitude spectral envelopes for each case. Compare the eects of pitch and order on the spectral envelopes. Measure formant frequencies and bandwidths from the linear pr...

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