HW5 - University of Central Florida School of Electrical...

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Unformatted text preview: University of Central Florida School of Electrical Engineering and Computer Science EGN-3420 - Engineering Analysis. Fall 2009 - dcm Homework 5 due Thursday week 13 (100 points) Problems 1-10 (10 points each) Solve problems: 11.2 (page 261); 11.10 (page 262); 12.6 (page 279); 12.10 (page 280); 13.3 (page 312); 13.24 (page 314); 14.2 (page 332); 15.10 (page 357); 16.3 (page 386); 16.6 (page 387); Extra credit problem (10 points for boundary grade considerations) 1. Display an audio waveform and its spectrum Audio signals, much like images, can undergo filtering. It is somewhat easier to understand the impact of signal processing on audio, since audio needs not be translated from a spatial to a frequency domain. To load a wave (PCM) audio file, Matlab provides the function wavread . For example: kiki = wavread(’kiki.wav’); To capture the sampling frequency at which the sound was recorded,use: [kiki, f] = wavread(’kiki.wav’); otherwise the speed of playback and results of further processing is not guaranteed to be...
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This note was uploaded on 02/17/2012 for the course EGN 3420 taught by Professor Staff during the Spring '08 term at University of Central Florida.

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HW5 - University of Central Florida School of Electrical...

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