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Introduction to Digital Audio - John Watkinson

Introduction to Digital Audio

Hardcover Published: 4th June 2002
ISBN: 9780240516431
Number Of Pages: 432

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Master the basics from first principles: the physics of sound, principles of hearing etc, then progress onward to fundamental digital principles, conversion, compression and coding and then onto transmission, digital audio workstations, DAT and optical disks. Get up to speed with how digital audio is used within DVD, Digital Audio Broadcasting, networked audio and MPEG transport streams.

All of the key technologies are here: compression, DAT, DAB, DVD, SACD, oversampling, noise shaping and error correction theories are treated in a simple yet accurate form.
Thoroughly researched, totally up-to-date and technically accurate this is the only book you need on the subject.
* Expand your knowledge with this thorough treatment of digital audio for a wide range of disciplines
* Clearly explainations require a minimum of math to allow for easy understanding
* Get up to speed with how digital audio is used within DVD, Digital Audio Broadcasting, networked audio and MPEG transport streams

'A comprehensive book in every respect.'
Creative Cow (www.creativecow.net)

Reviews of the previous edition:

'The best book in its category.'
Hi-Fi magazine

'An easy-to-read format with many explanatory line drawings.'
Mobile Radio Technology journal

Preface to the second editionp. xi
Introducing digital audiop. 1
Audio as datap. 1
What is an audio signal?p. 3
Why binary?p. 5
Why digital?p. 9
Some digital audio processes outlinedp. 9
Time compression and expansionp. 11
Error correction and concealmentp. 14
Channel codingp. 18
Audio compressionp. 18
Disk-based recordingp. 19
Rotary-head digital recordersp. 21
Digital audio broadcastingp. 21
Networksp. 22
Referencep. 22
Some audio principlesp. 23
The physics of soundp. 23
Wavelengthp. 24
Periodic and aperiodic signalsp. 25
Sound and the earp. 26
The cochleap. 28
Mental processesp. 29
Level and loudnessp. 31
Frequency discriminationp. 33
Frequency response and linearityp. 36
The sine wavep. 37
Root mean square measurementsp. 39
The deciBelp. 41
Audio level meteringp. 45
Referencesp. 46
Digital principlesp. 47
Binary codesp. 47
Introduction to digital logicp. 52
The computerp. 58
Timebase correctionp. 60
Multiplexingp. 62
Gain controlp. 63
Digital faders and controlsp. 64
A digital mixerp. 68
Filtersp. 71
FIR filtersp. 74
Sampling-rate conversionp. 77
Transforms and dualityp. 81
The Fourier transformp. 83
The discrete cosine transform (DCT)p. 85
Modulo-n arithmeticp. 86
The Galois fieldp. 87
The phase-locked loopp. 89
Referencesp. 90
Conversionp. 92
Introduction to conversionp. 92
Sampling and aliasingp. 94
Reconstructionp. 98
Filter designp. 99
Choice of sampling ratep. 101
Sample and holdp. 103
Sampling clock jitterp. 105
Aperture effectp. 108
Quantizingp. 109
Quantizing errorp. 112
Basic digital-to-analog conversionp. 122
Basic analog-to-digital conversionp. 129
Alternative convertorsp. 134
Oversamplingp. 138
Oversampling without noise shapingp. 143
Noise shapingp. 144
Noise-shaping ADCsp. 148
A one-bit DACp. 151
One-bit noise-shaping ADCsp. 153
Referencesp. 155
Compressionp. 157
Introductionp. 157
Lossless and perceptive codingp. 159
Compression principlesp. 160
Codec level calibrationp. 164
Quality measurementp. 165
The limitsp. 166
Some guidelinesp. 167
Audio compression toolsp. 168
Sub-band codingp. 172
Transform codingp. 175
Compression formatsp. 176
MPEG Layer Ip. 177
MPEG Layer IIp. 181
MPEG Layer IIIp. 183
MPEG-2 AACp. 185
Referencesp. 191
Digital coding principlesp. 193
Introductionp. 193
Types of transmission channelp. 194
Transmission linesp. 195
Types of recording mediump. 197
Magnetic recordingp. 197
Azimuth recording and rotary headsp. 203
Optical and magneto-optical disksp. 204
Equalization and data separationp. 206
Slicing and jitter rejectionp. 208
Channel codingp. 213
Simple codesp. 215
Group codesp. 218
Randomizing and encryptionp. 220
Synchronizingp. 221
Basic error correctionp. 222
Concealment by interpolationp. 225
Parityp. 225
Block and convolutional codesp. 228
Cyclic codesp. 230
Introduction to the Reed-Solomon codesp. 235
Correction by erasurep. 243
Interleavingp. 244
Product codesp. 245
Calculation of Reed-Solomon generator polynomialsp. 247
Referencesp. 249
Transmissionp. 250
Introductionp. 250
The AES/EBU interfacep. 250
Channel statusp. 255
User bitsp. 259
MADI - Multi-channel audio digital interfacep. 259
Fibre-optic interfacingp. 263
Synchronizingp. 263
Asynchronous operationp. 265
Routing and networksp. 266
Networksp. 268
FireWirep. 274
Broadband networks and ATMp. 276
Introduction to NICAM 728p. 282
Audio in digital television broadcastingp. 287
Packets and time stampsp. 289
MPEG transport streamsp. 290
Clock referencesp. 291
Program Specific Information (PSI)p. 292
Introduction to DABp. 294
Referencesp. 297
Digital audio tape recordersp. 299
Rotary versus stationary headsp. 299
PCM adaptorsp. 299
Introduction to DATp. 300
DAT specificationp. 306
DAT block diagramp. 307
Track following in DATp. 309
DAT data channelp. 311
Multi-channel rotary-head recordersp. 314
Stationary-head recordersp. 316
DASH formatp. 318
DCC--Digital Compact Cassettep. 320
Referencesp. 324
Magnetic disk drivesp. 325
Types of disk drivep. 325
Structure of diskp. 327
Principle of flying headp. 327
Reading and writingp. 328
Moving the headsp. 331
Rotationp. 333
Servo-surface disksp. 333
Soft sectoringp. 333
Winchester technologyp. 334
Rotary positionersp. 335
The disk controllerp. 337
Defect handlingp. 339
Digital audio disk systemp. 342
Arranging the audio data on diskp. 343
Spooling filesp. 344
Broadcast applicationsp. 344
Sampling rate and playing timep. 345
Referencesp. 345
Digital audio editingp. 347
Introductionp. 347
Editing with random access mediap. 347
Editing on recording mediap. 348
The structure of an editorp. 349
Timecodep. 350
Locating the edit pointp. 350
Editing with disk drivesp. 354
Editing in DATp. 356
Editing in open-reel digital recordersp. 357
Jump editingp. 357
Referencesp. 360
Optical disks in digital audiop. 361
Types of optical diskp. 361
CD and MD contrastedp. 364
CD and MD--disk constructionp. 365
Rejecting surface contaminationp. 366
Playing optical disksp. 369
Focus and tracking systemsp. 372
Typical pickupsp. 376
CD readout in detailp. 379
How optical disks are madep. 383
How recordable MiniDiscs are madep. 385
Channel code of CD and MiniDiscp. 386
Error-correction strategyp. 393
Track layout of MDp. 397
Player structurep. 398
Referencesp. 405
Glossaryp. 406
Indexp. 409
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9780240516431
ISBN-10: 0240516435
Audience: Tertiary; University or College
Format: Hardcover
Language: English
Number Of Pages: 432
Published: 4th June 2002
Publisher: FOCAL PR
Country of Publication: GB
Dimensions (cm): 24.3 x 21.6  x 3.4
Weight (kg): 0.81
Edition Number: 2
Edition Type: New edition