Understanding Digital Transmission and Recording (IEEE Press Understanding Science & Technology Series)
With the advent of the PC, the Internet, modems, the compact disc and digital TV broadcasting, the analog world is being slowly replaced by the new digital world. Everyone knows about this trend, but few understand it. Much of what is happening with the technology is counterintuitive -- even to an engineer. UNDERSTANDING DIGITAL TRANSMISSION AND RECORDING explains the essence of digital communication and recording for working engineers, students and other professionals working across industries. Even the communications engineer who is steeped in the mathematics of the field will find this book helpful in understanding the larger picture.
Why Read This Book
You will gain a clear, system-level understanding of how analog signals are turned into digital streams and stored/transmitted in real products (CDs, modems, digital TV). The book favors intuitive explanations and practical examples, so you can quickly connect theory (sampling, quantization, modulation) to implementation and design trade-offs.
Who Will Benefit
Practicing engineers, audio/systems engineers, and engineering students who need a practical grounding in digital transmission and recording rather than deep mathematical proofs.
Level: Intermediate — Prerequisites: Basic signals and systems, elementary probability/noise concepts, and undergraduate calculus; familiarity with basic electronics or circuits is helpful.
Key Takeaways
- Explain sampling, quantization, and the sources of distortion in digital conversion
- Design and analyze basic PCM chains and simple source coding schemes
- Compare common digital modulation methods and their noise/error trade-offs
- Assess SNR, bit-rate, and perceptual trade-offs for digital recording systems
- Apply basic error-control concepts to improve reliability of digital links
- Relate real-world formats (CD, digital broadcast, modems) to underlying theory
Topics Covered
- 1. Introduction: Why Digital?
- 2. Analog vs. Digital Signals — Concepts and Tradeoffs
- 3. Sampling Theory and Discrete-Time Representation
- 4. Quantization and Error — SNR and Perceptual Issues
- 5. Pulse Code Modulation and Basic Source Coding
- 6. Channel Models and Noise Characteristics
- 7. Digital Modulation Techniques (ASK, PSK, QAM)
- 8. Error Detection and Forward Error Correction Basics
- 9. Digital Recording Systems (CD, DAT, consumer formats)
- 10. Digital Television and Broadcasting Overview
- 11. Modems, Data Links and Practical Implementation Issues
- 12. System Design Tradeoffs and Future Directions
How It Compares
Less mathematically deep than Proakis' Digital Communications but more applied and broader in recording/format coverage; complements DSP texts like Lyons' Understanding Digital Signal Processing by focusing on transmission and storage systems rather than algorithmic DSP.
