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Digital Audio Technology
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Digital Audio Technology
by Marc Vercammen, Jan Maes
Digital Audio Technology, 4th Edition
Cover Page
Title Page
Copyright Page
Contents
Preface
A short history of audio technology
Part One: Principles of Digital Signal Processing
1 Introduction
2 Principles of sampling
The Nyquist theorem
Sampling frequency
Sample-hold circuits
Aperture control
Characteristics and terminology of sample-hold circuits
3 Principles of quantization
Quantization error
Calculation of theoretical signal-to-noise ratio
Masking of quantization noise 51 Conversion codes
4 Overview of A/D conversion systems
Linear (or uniform) quantization
Companding systems
Floating-point conversion
Block floating-point conversion
Differential PCM and delta modulation
Super bit mapping (SBM)
Direct stream digital (DSD)
5 Operation of A/D–D/A converters
A/D converters
High-density linear A/D converter
D/A conversion in digital audio equipment
6 Codes for digital magnetic recording
Non-return to zero (NRZ)
Bi-phase
Modified frequency modulation (MFM)
Three-position modulation (3PM)
High-density modulation-1 (HDM-1)
Eight-to-fourteen modulation (EFM)
EFM+
7 Principles of error correction
Types of code errors
Error compensation
Error detection
Error correction
Error concealment
Interleaving
Part Two: The Compact Disc
8 Overview of the compact disc medium
Main parameters
Optical discs
Recording and read-out system on a CD
Signal parameters
Audio signal
Additional information on the CD
Compact disc production
9 Compact disc encoding
CIRC encoding
The control word
The Q subcode and its usage
EFM encoding
The sync word
Final bit rate
10 Opto-electronics and the optical block
The optical spectrum
Interaction of optical waves with matter
Optical components
The injection laser diode (ILD)
TOP: T-type optical pick-up
FOP: flat-type optical pick-up
11 The servo circuits in CD players
Summary of the servo circuits in a CD player
The focus servo circuit
The tracking servo circuit
The sled servo motor
The disc motor servo circuit
Digital servo
12 Signal processing
RF amplification
Signal decoding
D/A converter
High-accuracy D/A conversion
Part Three: Digital Audio Recording Systems
13 Outline
14 Video PCM formats
Video 8 PCM format
A/D–D/A conversion
Description of the format
DV-PCM format
15 Digital audio tape (DAT) format
R-DAT
Automatic track following
Error correction
Subcode
Tape duplication
Cassette
16 Non-tracking digital audio tape (NT-DAT)
NT playback
Double density scan
NT read-out
NT stamp-size DAT
17 MiniDisc
The rainbow book
Block diagram
Physical format
Physical track layout
Recording on MD
Read-out of the disc
The MiniDisc optical block unit
The Wollaston principle
The detector block
Psychoacoustics
ATRAC
Data format
Anti-shock operation
Part Four: Advanced Digital Audio Technologies
18 Super Audio CD (SACD)
Introduction
Technical specifications and dimensions
Disc types
Watermarking
Encoding and sector format
Disc structure
Direct stream transfer
Conclusion
19 DVD-Audio
Introduction
Basic concept
DVD versus CD
Compression
Disc structure
Optical read-out system
Options
20 Audio compression
Introduction
MPEG
Compression for other applications
Multi-channel compression
Appendix 1: Error correction
Appendix 2: Sampling theorem
Appendix 3: Serial copy management system (SCMS)
Appendix 4: Digital audio interface format (S/PDIF-IEC958)
Index
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