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
Preface | |
How to Use This Book | p. 1 |
About the Authors | p. 2 |
Acknowledgments | p. 6 |
Chapter 1 Business Communications | p. 7 |
General Communication Strategies | p. 9 |
Being an Active Listener | p. 11 |
Writing: Sentences, Paragraphs, Grammar and Spelling | p. 15 |
Sentences | p. 15 |
Paragraphs | p. 16 |
Common Grammar and Spelling Pitfalls | p. 18 |
Spelling Quiz | p. 20 |
Frequently Misspelled and Misused Words | p. 21 |
Correspondence | p23 |
Business Letters | p. 23 |
The Telephone as a Business Tool | p. 24 |
Questions | p. 26 |
Chapter 2 Math and Measures | p. 29 |
Introduction | p. 32 |
Unit Prefixes | p. 32 |
Problems | p. 33 |
Systeme Internationale (S.I.) Base Units | p. 33 |
Units of Length or Distance | p. 33 |
Examples | p. 34 |
Problems | p. 36 |
Units of Temperature | p. 37 |
Problems | p. 38 |
Units of Mass | p. 39 |
Problems | p. 39 |
Volume | p. 40 |
Problems | p. 41 |
Density | p. 41 |
Problems | p. 42 |
Time | p. 42 |
Electrical Current | p. 43 |
Derived Units | p. 43 |
Mathematics | p. 46 |
A Little Algebra | p. 46 |
Introduction to Lines and Planes | p. 48 |
Analytic Geometry | p. 52 |
Problems | p. 53 |
Distance and Slope Between Two Points | p. 53 |
Problems | p. 55 |
Intersections of Two Lines | p. 55 |
Problems | p. 60 |
Trigonometry | p. 61 |
Problems | p. 64 |
Non-Right Triangles | p. 65 |
Conic Sections | p. 67 |
Vectors | p. 72 |
Problems | p. 76 |
Bibliography | p. 76 |
Chapter 3 Audio and Acoustics | p. 79 |
Basic Audio Calculations | p. 81 |
Inverse-Square Law | p. 81 |
Decibel | p. 82 |
References | p. 83 |
Adding Decibels | p. 86 |
Acoustical Terminology | p. 89 |
Reflection | p. 89 |
Absorption | p. 89 |
Diffraction | p. 91 |
Refraction | p. 93 |
Interference | p. 93 |
Articulation Loss of Consonants (%Alcons) | p. 94 |
Basic Acoustical Measurements | p. 97 |
Types of Measuring Equipment | p. 97 |
A, B and C Weighting | p. 103 |
Common Loudness Levels | p. 105 |
Velocity and Frequency | p. 105 |
Questions | p. 108 |
Chapter 4 Codes, Standards and Safety | p. 113 |
Why You Need Codes and Standards | p. 116 |
Nicet Scope | p. 117 |
Identification and Brief Description of Codes | p. 117 |
National Electric Code | p. 119 |
Article 517--Healthcare Facilities | p. 119 |
Article 725, Class 1, 2 and 3--Remote Control, Signaling and Power-Limited Systems | p. 120 |
Article 770--Optical Fiber Cables and Raceways | p. 123 |
Underwriters Laboratories Inc. | p. 124 |
Intermediate Safety | p. 125 |
Hazardous Materials--Right-to-Know Law | p. 126 |
Substance Abuse Characteristics | p. 133 |
Aerial Lift and Boom Operation | p. 134 |
Types of Self-Propelled Lifts | p. 135 |
Preoperational Checks | p. 139 |
Operational Requirements | p. 141 |
Hazard Clearances | p. 143 |
Questions | p. 143 |
Chapter 5 Intermediate Wiring | p. 147 |
Overview | p. 149 |
Basic Wiring Definitions | p. 149 |
National Electric Code | p. 154 |
Conduit Sizing and Fill | p. 154 |
Manufacturer Support | p. 154 |
General Wiring | p. 156 |
Metallic Cable Pulling Setup | p. 158 |
Vertical Pathways | p. 162 |
Backbone Pathways | p. 163 |
Firestopping | p. 164 |
Termination Techniques | p. 166 |
Data Cable | p. 166 |
Audio Cable | p. 169 |
Connectors | p. 172 |
Testing | p. 179 |
Questions | p. 180 |
Chapter 6 AC Circuit Theory, Grounding and Signal Interfaces | p. 185 |
Overview | p. 187 |
Basic Circuit Theory | p. 187 |
Frequency, Phase, RMS and Wavelength | p. 189 |
Inductance, Capacitance, Reactance and Resonance | p. 190 |
Resistive and Reactive Networks, Impedance and Apparent Power | p. 192 |
Interference and Grounding | p. 195 |
Electronic Systems "Fact of Life" #1: Safety Grounding | p. 195 |
Electronic Systems "Fact of Life" #2: Electromagnetic Interference | p. 200 |
System Dynamic Range, Noise and Interference | p. 201 |
Power Line Ground Noise and Other Interference Sources | p. 202 |
Interface Basics, Impedances and Transmission Lines | p. 205 |
Unbalanced Interfaces | p. 208 |
Balanced Interfaces | p. 211 |
Questions | p. 215 |
Bibliography | p. 215 |
Chapter 7 Intermediate Plans and Specifications | p. 217 |
Introduction | p. 219 |
Basics: Plans and Specifications | p. 219 |
Symbols and Scales | p. 219 |
Plan Layouts | p. 223 |
Divisions 11 and 16 | p. 224 |
Verification of System Drawings | p. 225 |
Floor Plans | p. 225 |
Building Sections | p. 227 |
A/V System One-Line Diagrams | p. 232 |
A/V System Details | p. 233 |
Specifications | p. 234 |
Specification Divisions | p. 235 |
A/V Specs | p. 236 |
Submittals | p. 237 |
Red-Line Drawings | p. 238 |
Final Documentation | p. 238 |
Questions | p. 238 |
Chapter 8 Intermediate Components | p. 241 |
Microphone Specifications | p. 244 |
Standards | p. 244 |
Polar Pattern | p. 245 |
Sensitivity | p. 251 |
Frequency Response | p. 253 |
Impedance | p. 254 |
Transient Response | p. 254 |
Proximity Effect | p. 254 |
Microphone Power Sources and Installation | p. 255 |
Microphone Types | p. 258 |
Basic Audio Mixers | p. 260 |
Types of Mixers | p. 261 |
Physical Characteristics | p. 262 |
Operational Characteristics | p. 263 |
Inputs | p. 264 |
Outputs | p. 266 |
Use and Setup of Metering | p. 270 |
Use and Setup of Limiters | p. 271 |
Intermediate Assembly | p. 275 |
Introduction | p. 275 |
Connectorization | p. 281 |
Loudspeaker | p. 284 |
Intermediate Switches and Connectors | p. 289 |
Device Polarity | p. 289 |
Voltage and Current Considerations | p. 289 |
Switches and Relays | p. 292 |
Connection Techniques | p. 293 |
Basic Priority Switching Systems | p. 294 |
Reading Schematics | p. 294 |
Switching Circuit Interaction | p. 297 |
Calculating Voltage and Current for Relay Operation | p. 298 |
Questions | p. 299 |
Chapter 9 Loudspeaker Systems | p. 303 |
Determining Low Impedance and Constant Voltage for Loudspeaker Systems | p. 305 |
Architecture of Constant Voltage Systems | p. 306 |
Selecting Transformers and Wiring | p. 308 |
Loudspeaker Suspension | p. 316 |
Using Drawings to Identify the Mounting Position | p. 316 |
Mounting Techniques | p. 319 |
OSHA Considerations | p. 320 |
Liability Issues | p. 321 |
Fixed Structural Framework | p. 321 |
Fixed Specialty Mounts | p. 322 |
Flying Manufactured Hardware | p. 322 |
Flying an Array Constructed on Site | p. 322 |
Use of Cable | p. 323 |
Use of Chain | p. 323 |
Time Alignment Techniques | p. 324 |
Physical Appearance Alignment Techniques | p. 325 |
Loudspeaker Suspension Hardware | p. 326 |
Loudspeaker Load Distribution | p. 327 |
Questions | p. 331 |
Chapter 10 Test and Maintenance | p. 335 |
Using the Oscilloscope | p. 337 |
Vom | p. 338 |
Function Generator | p. 339 |
Since Wave Generator | p. 340 |
Total Harmonic Distortion Analyzer | p. 340 |
Logic Probe | p. 341 |
System One-Line Diagrams | p. 341 |
Analyzing a Service Problem | p. 346 |
Signal Tracing Techniques | p. 347 |
Questions | p. 349 |
Appendix A Special Work Elements | p. 353 |
Analog Nurse-Call Systems, Nicet Work Element #14044 | p. 353 |
Master Antenna Plant Installation, Nicet Work Element #14013 | p. 353 |
Closed Circuit TV Installation, Nicet Work Element #14014 | p. 353 |
Analog Intercom Systems, NICET Work Element #14009 | p. 354 |
Microprocessor-Based Intercom Systems, NICET Work Element #14010 | p. 354 |
Clock Systems, NICET Work Element #14012 | p. 354 |
Appendix B Answers to Chapter Questions and Problems | p. 355 |
Chapter 1 Frequency Misspelled and Misused Words | p. 355 |
Questions | p. 356 |
Chapter 2 Unit Prefixes | p. 356 |
Units of Length or Distance | p. 356 |
Units of Temperature | p. 357 |
Units of Mass | p. 357 |
Volume | p. 357 |
Density | p. 357 |
Analytic Geometry | p. 357 |
Distance and Slope Between Two Points | p. 358 |
Intersection of Two Lines | p. 358 |
Trigonometry | p. 358 |
Vectors | p. 359 |
Chapter 3 | p. 359 |
Chapter 4 | p. 361 |
Chapter 5 | p. 362 |
Chapter 6 | p. 362 |
Chapter 7 | p. 363 |
Chapter 8 | p. 364 |
Chapter 9 | p. 364 |
Chapter 10 | p. 365 |
Appendix C The NICET Audio Certification Program | p. 367 |
Levels, Work Elements and Requirements | p. 367 |
Applying and Preparing for Testing | p. 369 |
A Personal Study/Review Program | p. 369 |
Test-Taking Strategies | p. 372 |
Moving Up: Strategies for Subsequent Tests | p. 373 |
Costs of Certification | p. 373 |
Recertification | p. 374 |
Being Certified: Promote It | p. 374 |
Appendix D Selected Resources for Further Study | p. 377 |
Index | p. 380 |