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Back-to-basics audio /
Back to Basics Audio is a thorough, yet approachable handbook on audio electronics theory and equipment. The first part of the book discusses electrical and audio principles. Those principles form a basis for understanding the operation of equipment and systems, covered in the second section. Finall...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
[Place of publication not identified] :
Newnes,
1998.
|
| Temas: | |
| Acceso en línea: | Texto completo (Requiere registro previo con correo institucional) |
Tabla de Contenidos:
- Chapter 1Electrical Principles1
- Audio's Three Parts1
- Electronics and Electricity1
- An Electrical Circuit2
- Electrical Principles3
- Ohm's Law4
- Using Ohm's Law4
- Voltage Drop5
- Introduction to Measurements6
- Inductance, Capacitance, and Impedance7
- Resonance8
- Line Impedance9
- Magnetism and Speaker Drivers10
- Speakers and Electric Motors11
- The Inverse Square Law and Speaker Design12
- Bi-Polarity13
- Direct and Alternating Current13
- Graphical Representation of Waveforms14
- Chapter 2Meters and Electrical Measurements17
- Multimeters17
- Voltage Measurement18
- Current Measurement19
- A Word of Warning about Meter Current Ranges21
- Resistance Measurement21
- Using Analog and Digital Multimeters22
- Accuracy of a Meter22
- Meter Sensitivity25
- Additional Features Available in Multimeters26.
- Oscilloscopes26
- Oscilloscope Experiments28
- Chapter 3Amplifiers and Transmission Lines29
- Power Amplifier Lines and Loads29
- The Input Circuit30
- The Output Circuit31
- Avoidable Failures32
- Speaker Impedance Matching33
- Constant Voltage Lines34
- RMS Voltage and Current36
- Power38
- Amplifier Output Power Measurement39
- DC Offset Voltage41
- Catastrophic Failures43
- Dummy Loads44
- Cascading Power Amplifiers45
- Line Amplifiers46
- Voltage Amplifiers47
- Audio Lines48
- Coaxial Transmission Lines49
- Hearing-Aid Induction Loops50
- DC Coupled Amplifiers51
- Chapter 4Sound Waves and Decibels53
- The Audio and Electromagnetic Spectra53
- The 630 Hz Tool54
- Frequency and Wavelength57
- Propagation57
- Audio Measurements58
- Noise and Distortion Thresholds60
- Decibels and Power63.
- Decibels Further Explained65
- Case Histories68
- Shutting the door after the horse has bolted68
- Hazards of arbitrarily adding an insert point69
- Chapter 5Transfer Characteristic and Networks75
- Transfer Characteristic and Distortion75
- Electro-Mechanical and Acoustic Transfer80
- Preparing for Unavoidable Transfer Errors81
- Networks81
- Attenuators83
- Variable Attenuators84
- Loss Pads85
- Filters and Equalizers86
- Resistances in Series and Parallel92
- When to Use a Fixed Equalizer92
- Cautions Regarding Equalizer Use93
- Recovery Amplifiers94
- Active Crossovers and Speaker Processors95
- Chapter 6Speakers99
- Speaker Power Ratings99
- Estimating the Power to a Speaker101
- IEC Speaker Power Rating101
- Directional Properties and Stereo Image102
- Stereo Surround103
- Poor Man's Surround104.
- Using Speaker Directional Properties105
- Frequency Response of Speakers108
- Response Limits of Speakers109
- Standing Waves111
- Efficient Bass Speaker Placement111
- Speaker Baffles112
- Bass Box Design113
- Intermodulation Distortion115
- Phase Response of Speakers116
- Speaker and Driver Phasing116
- Speaker Efficiency118
- Theater Speaker Evolution119
- Importance of Theater Speaker Dispersion Angle121
- Recent Developments122
- Cinema High-Frequency Roll-Off123
- Auditorium Response Limitations125
- Monitor Speakers126
- Limited Monitors127
- Auditorium and Monitor Calibration127
- Speaker Response Measurements132
- Auditorium and Monitor Levels134
- Why Do Commercials Sound Louder?135
- Headphones136
- Chapter 7Tape Recorders and Monitor Selectors137
- Magnetic Recorders138
- Recorder Features and Types141.
- Simplifying Complicated Concepts142
- General Purpose Monitor Selectors144
- Introduction to Studio Monitor Selectors148
- Monitor Selectors for Studio Mixers149
- Drop-Edits and Insert Recorders151
- Zero Level and Line Level152
- Recorder Line-Up Tone153
- Tape Recorder Alignment153
- Chapter 8Mixers157
- Introduction to Mixers157
- The Difference between Speech and Dialog160
- Dialog Processing161
- Dialog Equalizer/Compressor Combination163
- Where Not to Use Dialog Processing166
- Background Suppression167
- Bandpass Filters168
- Dip Filters172
- Points to Consider when Mixing172
- The Effects Channels173
- Digital Sound Processing and Equipment175
- Unlocking the Noise Gate176
- Chapter 9Acoustics179
- Rooms and Acoustics179
- Reverberation and the Absorption Spectrum179
- Sound Isolation and Acoustics180.
- Equalizing the Absorption Frequency Response181
- Acoustic Control by Diffusers and Resonators181
- Sound Isolation Construction186
- Overcoming Building Noises190
- Planning and Supervising a Building Project193
- Silencing a Generator194
- Chapter 10Audio Cabling197
- Balanced and Unbalanced Lines197
- Short Run Audio Wiring200
- Long Balanced and Unbalanced Lines200
- Reducing Noise Interference at Source204
- Safety205
- Connections to Various Types of Equipment206
- Cable Segregation and Rack Termination208
- There-and-Back Cable Termination208
- Pre-Measured Cable Runs and Junction Boxes210
- Prefabricated Cable Looms210
- Keeping RF Out of Systems and Cables211
- Chapter 11Transformers and Power Supplies215
- Transformers215
- Auto-Transformers220
- Making Auto-Transformers to Order221
- Transformer Frequency Response221.
- The Electricity Supply Mains222
- Rectifiers and Power Supplies223
- Regulators226
- Voltage and Current Regulation227
- Zener Diodes228
- Regulator Noise228
- Switch-Mode Power Supplies229
- Three Dollar Tester229
- Power Supply Faults230
- Batteries and Chargers231
- Lead-Acid Batteries232
- Precautions with Acid Batteries233
- Nickel-Cadmium Batteries234
- Choice of Battery235
- Chapter 12Control Systems237
- Basic Control Groups237
- Relays238
- Relay Timer Circuits241
- Motor Reversing242
- Solid State Control Devises243
- Relays Versus Electronic Control245
- Chapter 13Solder and Assembly Methods247
- Soldering247
- Tools247
- Soldering Techniques248
- Using Additional Flux252
- Troubleshooting, Inspection, and Re-Soldering253
- When Not to Re-Solder254
- Choosing and Fitting Connectors254.
- Solderless and Crimp Connectors257
- Wire Wrap258
- Chapter 14Installation Planning259
- Diagrams259
- How Far to Go with Drawing Detail264
- Drawing a System Block Diagram264
- Patchbay Layout and Wiring268
- Racks and Panels270
- Examples of Standard and Special Racks276
- Communicating Ideas276
- Front Opening Racks282
- Panel Design282
- Control Grouping284
- Laying Out a Panel287
- Lettering, Styling, and Engraving287
- Scales for Potentiometers and Switches288
- Before Starting Work on a Panel289
- Materials and Panel Thickness290
- Panels for Membrane Switches291
- Brackets and Shelf Units for Mobile Equipment292
- Drilling Precision Holes in Metal and Plastic294
- Chapter 15Home Theater Sound297
- Real Theater Sound at Home299
- Surround Speaker Position300
- Equalizing the Center Channel301
- Case History302.
- Bass and treble OK, but sound is bad302
- Adding a Sub-Bass304
- Bass Distortion and Power Loss306
- Maintaining Program Dynamic Range307
- AppendixA Working with Formulae
- Practical Examples of Common Calculations309
- Calculating Voltage Drop Resistance309
- Calculating Amplifier Output Power310
- Calculating LED Resistor Values310
- Calculating AC Transformer Secondary Voltage for a Given DC Rectifier Output311
- Appendix BDiagram Symbols313
- Appendix CA Mechanical Design Exercise321
- Making a High Gain Video Projection Screen321
- Consequential Design Steps324
- Appendix DEstimating Power to Speakers327
- How Much Power is Going to the Speakers?328
- Field Assessment of Power to a Speaker328.