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Introduction

Introduction

Introduction. Basic concepts Terminology. Ubiquitous Computing. Computers everywhere. Also means ubiquitous communication Users connected anywhere/anytime. PC (laptop, palmtop) equivalent to cell phone. Networking computers together is critical!. Computer Network.

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5.83k views • 560 slides
Lecture 5: Signal Processing II

Lecture 5: Signal Processing II

Lecture 5: Signal Processing II. EEN 112: Introduction to Electrical and Computer Engineering. Professor Eric Rozier, 2/20/13. SOME DEFINITIONS. Decibels. Logarithmic unit that indicates the ratio of a physical quantity relative to a specified level.

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632 views • 52 slides
Chapter 4 Fundamentals of Digital Audio

Chapter 4 Fundamentals of Digital Audio

Chapter 4 Fundamentals of Digital Audio. Sound. A wave that is generated by vibrating objects in a medium such as air Examples of vibrating objects: vocal cords of a person guitar strings tuning fork. Frequency of Sound Wave.

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518 views • 44 slides
Physical Layer

Physical Layer

Physical Layer. Nelson Fonseca. Principle in Action: Nyquist Theorem vs. Shannon Theorem. Nyquist Theorem: Nyquist sampling theorem f s ? 2 x f max Maximum data rate for noiseless channel 2 B log 2 L (B: bandwidth, L: # states to represent a symbol) 2 x 3k x log 2 2 = 6 kbps

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440 views • 35 slides
CS1315: Introduction to Media Computation

CS1315: Introduction to Media Computation

CS1315: Introduction to Media Computation. Sound Encoding and Manipulation. How sound works: Acoustics, the physics of sound. Sounds are waves of air pressure Sound comes in cycles The frequency of a wave is the number of cycles per second (cps), or Hertz

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258 views • 17 slides
Basics of Digital Audio

Basics of Digital Audio

Basics of Digital Audio. Instructor: L. J. Wang, Dept. of Information Technology, National Pingtung Institue of Commerce Reference: Mark S. Drew, Simon Fraser University, Canada. (http://www.sfu.ca/)

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159 views • 14 slides
Communications Systems ASU Course EEE455/591

Communications Systems ASU Course EEE455/591

Communications Systems ASU Course EEE455/591. Instructor : Joseph Hui Monarch Institute of Engineering. Textbook and Labs. Primary: Communications System Engineering, 2 nd Edition Author: John Proakis , Prentice Hall, 2001 The textbook contains more details than necessary for undergrads.

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244 views • 12 slides
mod.pm.scr16 Multiple Choice

mod.pm.scr16 Multiple Choice

MOD LO8. --. mod.pm.scr05 Multiple Choice. mod.pm.scr01 Course Introduction. NEXT. KC. F. mod.pm.scr14 Advantages, Disadvantages, and Applications of PAM. mod.pm.scr09 Reconstructing the original signal. mod.pm.scr08 Staircase Waveform. mod.pm.scr02 Welcome and Objectives.

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167 views • 2 slides

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