figure 1-1 applications of dsp. joyce van de vegte fundamentals of digital signal processing...
TRANSCRIPT
FIGURE 1-1 Applications of DSP.
Joyce Van de VegteFundamentals 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
FIGURE 1-2 Examples of signals.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-2 Examples of signals.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-2 Examples of signals.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-2 Examples of signals.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-2 Examples of signals.
Joyce Van de VegteFundamentals 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
FIGURE 1-2 Examples of signals.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-3 Black and white image. ©Snap-shot.com.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-4 Four frames from high-speed video sequence. “ Vision Research, Inc., Wayne, NJ., USA.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-4 Four frames from high-speed video sequence. “ Vision Research, Inc., Wayne, NJ., USA.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-4 Four frames from high-speed video sequence. “ Vision Research, Inc., Wayne, NJ., USA.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-4 Four frames from high-speed video sequence. “ Vision Research, Inc., Wayne, NJ., USA.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-5 Analog voltage signal.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-6 Sample-and-hold signal.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-7 Quantization and digitization.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-8 Digital signal.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-9 Zero order hold signal.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-10 Recovered analog signal after smoothing.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-11 A/D and D/A conversion.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-12 Digital speech signal.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-13 Signals and spectra.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-13 Signals and spectra.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-14 A single piano note (middle C) and its time trace.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-15 Spectrum of middle C (200-500 Hz).
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-16 A piano chord (CEG) and its time trace.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-17 Spectrum of CEG chord (200-500 Hz).
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-18 Examples of spectra.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-18 Continued.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-18 Continued.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-18 Continued.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-18 Continued.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-18 Continued.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-19 Bass, tenor, alto, and soprano singing ranges.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-20 Low pass filter to extract bass voices.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-21 High pass filter to extract soprano voices.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-22 Band pass filter to extract alto voices.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-23 Spectrum for CEG chord (250-2500 Hz).
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-24 Low pass filtering a piano chord
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-24 Continued.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-24 Continued.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-25 Wireless communication system.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-26 Sample and hold for Question 1.4.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-27 Applying zero order hold to signal for Question 1.8.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-28 Spectra for Question 1.9.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-28 Spectra for Question 1.9.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 1-29 Magnitude spectra for Question 1.10.
Joyce Van de VegteFundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.