Cover image for Audio systems technology : handbook for installers and engineers
Title:
Audio systems technology : handbook for installers and engineers
Publication Information:
Indianapolis : Prompt Publications 1998
Physical Description:
Level 2
ISBN:
9780790611631
Added Author:

Available:*

Library
Item Barcode
Call Number
Material Type
Item Category 1
Status
Searching...
30000004767061 TK7881.4 A94 1998 Open Access Book Book
Searching...

On Order

Summary

Summary

An intermediate-level study of audio systems technology as it is practised in the industry. It covers: basic audio calculations; acoustical measurements; microphones, loudspeakers and mixers; trigonometry and geometry; wiring and cabling; business communication; and bench test equipment.


Table of Contents

Matthew MarthTed UzzleIan WolfeMelvin J. WierengaMelvin J. WierengaBill WhitlockKaren E. HuntBob BushnellJames Brawley and Bob BushnellBob Bushnell
Preface
How to Use This Bookp. 1
About the Authorsp. 2
Acknowledgmentsp. 6
Chapter 1 Business Communicationsp. 7
General Communication Strategiesp. 9
Being an Active Listenerp. 11
Writing: Sentences, Paragraphs, Grammar and Spellingp. 15
Sentencesp. 15
Paragraphsp. 16
Common Grammar and Spelling Pitfallsp. 18
Spelling Quizp. 20
Frequently Misspelled and Misused Wordsp. 21
Correspondencep23
Business Lettersp. 23
The Telephone as a Business Toolp. 24
Questionsp. 26
Chapter 2 Math and Measuresp. 29
Introductionp. 32
Unit Prefixesp. 32
Problemsp. 33
Systeme Internationale (S.I.) Base Unitsp. 33
Units of Length or Distancep. 33
Examplesp. 34
Problemsp. 36
Units of Temperaturep. 37
Problemsp. 38
Units of Massp. 39
Problemsp. 39
Volumep. 40
Problemsp. 41
Densityp. 41
Problemsp. 42
Timep. 42
Electrical Currentp. 43
Derived Unitsp. 43
Mathematicsp. 46
A Little Algebrap. 46
Introduction to Lines and Planesp. 48
Analytic Geometryp. 52
Problemsp. 53
Distance and Slope Between Two Pointsp. 53
Problemsp. 55
Intersections of Two Linesp. 55
Problemsp. 60
Trigonometryp. 61
Problemsp. 64
Non-Right Trianglesp. 65
Conic Sectionsp. 67
Vectorsp. 72
Problemsp. 76
Bibliographyp. 76
Chapter 3 Audio and Acousticsp. 79
Basic Audio Calculationsp. 81
Inverse-Square Lawp. 81
Decibelp. 82
Referencesp. 83
Adding Decibelsp. 86
Acoustical Terminologyp. 89
Reflectionp. 89
Absorptionp. 89
Diffractionp. 91
Refractionp. 93
Interferencep. 93
Articulation Loss of Consonants (%Alcons)p. 94
Basic Acoustical Measurementsp. 97
Types of Measuring Equipmentp. 97
A, B and C Weightingp. 103
Common Loudness Levelsp. 105
Velocity and Frequencyp. 105
Questionsp. 108
Chapter 4 Codes, Standards and Safetyp. 113
Why You Need Codes and Standardsp. 116
Nicet Scopep. 117
Identification and Brief Description of Codesp. 117
National Electric Codep. 119
Article 517--Healthcare Facilitiesp. 119
Article 725, Class 1, 2 and 3--Remote Control, Signaling and Power-Limited Systemsp. 120
Article 770--Optical Fiber Cables and Racewaysp. 123
Underwriters Laboratories Inc.p. 124
Intermediate Safetyp. 125
Hazardous Materials--Right-to-Know Lawp. 126
Substance Abuse Characteristicsp. 133
Aerial Lift and Boom Operationp. 134
Types of Self-Propelled Liftsp. 135
Preoperational Checksp. 139
Operational Requirementsp. 141
Hazard Clearancesp. 143
Questionsp. 143
Chapter 5 Intermediate Wiringp. 147
Overviewp. 149
Basic Wiring Definitionsp. 149
National Electric Codep. 154
Conduit Sizing and Fillp. 154
Manufacturer Supportp. 154
General Wiringp. 156
Metallic Cable Pulling Setupp. 158
Vertical Pathwaysp. 162
Backbone Pathwaysp. 163
Firestoppingp. 164
Termination Techniquesp. 166
Data Cablep. 166
Audio Cablep. 169
Connectorsp. 172
Testingp. 179
Questionsp. 180
Chapter 6 AC Circuit Theory, Grounding and Signal Interfacesp. 185
Overviewp. 187
Basic Circuit Theoryp. 187
Frequency, Phase, RMS and Wavelengthp. 189
Inductance, Capacitance, Reactance and Resonancep. 190
Resistive and Reactive Networks, Impedance and Apparent Powerp. 192
Interference and Groundingp. 195
Electronic Systems "Fact of Life" #1: Safety Groundingp. 195
Electronic Systems "Fact of Life" #2: Electromagnetic Interferencep. 200
System Dynamic Range, Noise and Interferencep. 201
Power Line Ground Noise and Other Interference Sourcesp. 202
Interface Basics, Impedances and Transmission Linesp. 205
Unbalanced Interfacesp. 208
Balanced Interfacesp. 211
Questionsp. 215
Bibliographyp. 215
Chapter 7 Intermediate Plans and Specificationsp. 217
Introductionp. 219
Basics: Plans and Specificationsp. 219
Symbols and Scalesp. 219
Plan Layoutsp. 223
Divisions 11 and 16p. 224
Verification of System Drawingsp. 225
Floor Plansp. 225
Building Sectionsp. 227
A/V System One-Line Diagramsp. 232
A/V System Detailsp. 233
Specificationsp. 234
Specification Divisionsp. 235
A/V Specsp. 236
Submittalsp. 237
Red-Line Drawingsp. 238
Final Documentationp. 238
Questionsp. 238
Chapter 8 Intermediate Componentsp. 241
Microphone Specificationsp. 244
Standardsp. 244
Polar Patternp. 245
Sensitivityp. 251
Frequency Responsep. 253
Impedancep. 254
Transient Responsep. 254
Proximity Effectp. 254
Microphone Power Sources and Installationp. 255
Microphone Typesp. 258
Basic Audio Mixersp. 260
Types of Mixersp. 261
Physical Characteristicsp. 262
Operational Characteristicsp. 263
Inputsp. 264
Outputsp. 266
Use and Setup of Meteringp. 270
Use and Setup of Limitersp. 271
Intermediate Assemblyp. 275
Introductionp. 275
Connectorizationp. 281
Loudspeakerp. 284
Intermediate Switches and Connectorsp. 289
Device Polarityp. 289
Voltage and Current Considerationsp. 289
Switches and Relaysp. 292
Connection Techniquesp. 293
Basic Priority Switching Systemsp. 294
Reading Schematicsp. 294
Switching Circuit Interactionp. 297
Calculating Voltage and Current for Relay Operationp. 298
Questionsp. 299
Chapter 9 Loudspeaker Systemsp. 303
Determining Low Impedance and Constant Voltage for Loudspeaker Systemsp. 305
Architecture of Constant Voltage Systemsp. 306
Selecting Transformers and Wiringp. 308
Loudspeaker Suspensionp. 316
Using Drawings to Identify the Mounting Positionp. 316
Mounting Techniquesp. 319
OSHA Considerationsp. 320
Liability Issuesp. 321
Fixed Structural Frameworkp. 321
Fixed Specialty Mountsp. 322
Flying Manufactured Hardwarep. 322
Flying an Array Constructed on Sitep. 322
Use of Cablep. 323
Use of Chainp. 323
Time Alignment Techniquesp. 324
Physical Appearance Alignment Techniquesp. 325
Loudspeaker Suspension Hardwarep. 326
Loudspeaker Load Distributionp. 327
Questionsp. 331
Chapter 10 Test and Maintenancep. 335
Using the Oscilloscopep. 337
Vomp. 338
Function Generatorp. 339
Since Wave Generatorp. 340
Total Harmonic Distortion Analyzerp. 340
Logic Probep. 341
System One-Line Diagramsp. 341
Analyzing a Service Problemp. 346
Signal Tracing Techniquesp. 347
Questionsp. 349
Appendix A Special Work Elementsp. 353
Analog Nurse-Call Systems, Nicet Work Element #14044p. 353
Master Antenna Plant Installation, Nicet Work Element #14013p. 353
Closed Circuit TV Installation, Nicet Work Element #14014p. 353
Analog Intercom Systems, NICET Work Element #14009p. 354
Microprocessor-Based Intercom Systems, NICET Work Element #14010p. 354
Clock Systems, NICET Work Element #14012p. 354
Appendix B Answers to Chapter Questions and Problemsp. 355
Chapter 1 Frequency Misspelled and Misused Wordsp. 355
Questionsp. 356
Chapter 2 Unit Prefixesp. 356
Units of Length or Distancep. 356
Units of Temperaturep. 357
Units of Massp. 357
Volumep. 357
Densityp. 357
Analytic Geometryp. 357
Distance and Slope Between Two Pointsp. 358
Intersection of Two Linesp. 358
Trigonometryp. 358
Vectorsp. 359
Chapter 3p. 359
Chapter 4p. 361
Chapter 5p. 362
Chapter 6p. 362
Chapter 7p. 363
Chapter 8p. 364
Chapter 9p. 364
Chapter 10p. 365
Appendix C The NICET Audio Certification Programp. 367
Levels, Work Elements and Requirementsp. 367
Applying and Preparing for Testingp. 369
A Personal Study/Review Programp. 369
Test-Taking Strategiesp. 372
Moving Up: Strategies for Subsequent Testsp. 373
Costs of Certificationp. 373
Recertificationp. 374
Being Certified: Promote Itp. 374
Appendix D Selected Resources for Further Studyp. 377
Indexp. 380