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FIGURE 1-1 Applications of DSP. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Touch-Tone™ telephones Edge detection in images Digital signal and image filtering Seismic analysis Text recognition Speech recognition Magnetic resonance image (MRI) scans Music synthesis Bar code readers Sonar processing Satellite image analysis Digital mapping Cellular telephones Digital cameras Detection of narcotics and explosives Speech synthesis Echo cancellation Cochlear implants Antilock brakes Signal and image compression Noise reduction Companding High definition television (HDTV) Digital audio Encryption Motor control Remote medical monitoring Smart appliances Home security High speed modems
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FIGURE 1-2 Examples of signals. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-2 Examples of signals. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-2 Examples of signals. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-2 Examples of signals. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-2 Examples of signals. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Courtesy Michael Noonan, Ph.D. Canisus College
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FIGURE 1-2 Examples of signals. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-3 Black and white image. © Snap-shot.com. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-4 Four frames from high-speed video sequence. “ Vision Research, Inc., Wayne, NJ., USA. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-4 Four frames from high-speed video sequence. “ Vision Research, Inc., Wayne, NJ., USA. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-4 Four frames from high-speed video sequence. “ Vision Research, Inc., Wayne, NJ., USA. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-4 Four frames from high-speed video sequence. “ Vision Research, Inc., Wayne, NJ., USA. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-5 Analog voltage signal. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-6 Sample-and-hold signal. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-7 Quantization and digitization. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-8 Digital signal. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-9 Zero order hold signal. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-10 Recovered analog signal after smoothing. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-11 A/D and D/A conversion. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-12 Digital speech signal. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-13 Signals and spectra. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-13 Signals and spectra. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-14 A single piano note (middle C) and its time trace. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-15 Spectrum of middle C (200-500 Hz). Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-16 A piano chord (CEG) and its time trace. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-17 Spectrum of CEG chord (200-500 Hz). Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-18 Examples of spectra. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-18 Continued. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-18 Continued. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-18 Continued. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-18 Continued. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-18 Continued. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-19 Bass, tenor, alto, and soprano singing ranges. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-20 Low pass filter to extract bass voices. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-21 High pass filter to extract soprano voices. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-22 Band pass filter to extract alto voices. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-23 Spectrum for CEG chord (250-2500 Hz). Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-24 Low pass filtering a piano chord Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-24 Continued. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-24 Continued. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-25 Wireless communication system. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-26 Sample and hold for Question 1.4. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-27 Applying zero order hold to signal for Question 1.8. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-28 Spectra for Question 1.9. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-28 Spectra for Question 1.9. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-29 Magnitude spectra for Question 1.10. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-30 Three Touch-Tone™ digits. Joyce Van de Vegte Fundamentals of Digital Signal Processing Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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