| Description |
1 online resource (922 p.) |
| Contents |
Cover -- Half Title -- Title Page -- Copyright Page -- Dedication -- Contents -- Preface to the First Edition -- Preface to the Fourth Edition -- Preface to the Fifth Edition -- Preface to the Sixth Edition -- Acknowledgements -- 1. Fundamentals and Basic Terminology -- 1.1. Introduction -- 1.2. Noise-Control Strategies -- 1.2.1. Sound Source Modification -- 1.2.2. Control of the Transmission Path -- 1.2.3. Modification of the Receiver -- 1.2.4. Existing Facilities -- 1.2.5. Facilities in the Design Stage -- 1.2.6. Airborne versus Structure-Borne Noise |
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1.3. Acoustical Standards and Software -- 1.4. Acoustic Field Variables -- 1.4.1. Variables -- 1.4.2. Acoustic Field -- 1.4.3. Magnitudes -- 1.4.4. Speed of Sound -- 1.4.5. Dispersion -- 1.4.6. Acoustic Potential Function -- 1.4.7. Wave Equation -- 1.4.8. Complex Number Formulations -- 1.5. Plane, Cylindrical and Spherical Waves -- 1.5.1. Plane Wave Propagation -- 1.5.2. Cylindrical Wave Propagation -- 1.5.3. Spherical Wave Propagation -- 1.5.4. Wave Summation -- 1.5.5. Plane Standing Waves -- 1.5.6. Spherical Standing Waves -- 1.6. Mean Square Quantities -- 1.7. Energy Density |
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1.8. Sound Intensity -- 1.8.1. Definitions -- 1.8.2. Plane Wave and Far-Field Intensity -- 1.8.3. Spherical Wave Intensity -- 1.9. Sound Power -- 1.10. Decibels -- 1.11. Combining Sound Pressures -- 1.11.1. Coherent and Incoherent Sounds -- 1.11.2. Addition of Coherent Sound Pressures -- 1.11.3. Addition of Incoherent Sounds (Logarithmic Addition) -- 1.11.4. Logarithmic versus Arithmetic Addition and Averaging -- 1.11.5. Subtraction of Sound Pressure Levels -- 1.11.6. Combining Level Reductions -- 1.12. Beating -- 1.13. Amplitude Modulation and Amplitude Variation |
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1.14. Basic Frequency Analysis -- 1.14.1. Frequency Bands -- 1.15. Doppler Shift -- 1.16. Impedance -- 1.16.1. Mechanical Impedance, ZM -- 1.16.2. Specific Acoustic Impedance, Zs -- 1.16.3. Acoustic Impedance, ZA -- 1.17. Flow Resistance -- 2. Human Hearing and Noise Criteria -- 2.1. Brief Description of the Ear -- 2.1.1. External Ear -- 2.1.2. Middle Ear -- 2.1.3. Inner Ear -- 2.1.4. Cochlear Duct or Partition -- 2.1.5. Hair Cells -- 2.1.6. Neural Encoding -- 2.1.7. Linear Array of Uncoupled Oscillators -- 2.1.8. Mechanical Properties of the Central Partition |
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2.1.8.1. Basilar Membrane Travelling Wave -- 2.1.8.2. Energy Transport and Group Speed -- 2.1.8.3. Undamping -- 2.1.8.4. The Half-Octave Shift -- 2.1.8.5. Frequency Response -- 2.1.8.6. Critical Frequency Band -- 2.1.8.7. Frequency Resolution -- 2.2. Subjective Response to Sound Pressure Level -- 2.2.1. Masking -- 2.2.2. Loudness -- 2.2.3. Comparative Loudness and the Phon -- 2.2.4. Low-Frequency Loudness -- 2.2.5. Relative Loudness and the Sone -- 2.2.6. Pitch -- 2.3. Weighting Networks -- 2.4. Noise Measures -- 2.4.1. Equivalent Continuous Sound Pressure Level, Leq |
| Summary |
This sets out the principles of noise control technology with detailed applications, and now with more on sound propagation; subjective response to noise; resonator mufflers; and porous absorbers. Plus microphones and sensors; free-field simulation; and wind turbines. Further problems are available on www.causalsystems.com |
| Notes |
Description based upon print version of record |
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2.4.2. A-Weighted Equivalent Continuous Sound Pressure Level, LAeq |
| Subject |
Noise control.
|
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Machinery -- Noise.
|
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noise control.
|
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Machinery -- Noise
|
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Noise control
|
| Form |
Electronic book
|
| Author |
Hansen, Colin H
|
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Howard, Carl Q
|
|
Hansen, Kristy L
|
| ISBN |
9781000908824 |
|
1000908828 |
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