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Full Description
In this book, Geoff Hill demonstrates modern software and hardware being applied to the processes behind loudspeaker design and modelling. Modern computing power has progressed to the point that such analyses are now practical for any interested individual or small company. Loudspeaker Modelling and Design: A Practical Introduction examines the process from initial concept through specifications and theoretical simulations and onto detailed design. It demonstrates the processes of design and specification, by using detailed simulations of a loudspeaker driver; sufficient to give re-assurance that a design is practical and will perform as expected.This book brings together many different strands of modelling from electro-magnetic through to mechanical and acoustic, without getting bogged down in theoretical discussions and arguments. This practice-based book shows the techniques used in designing modern loudspeakers and transducers.
Contents
I INTRODUCTION
What tools do I need to design loudspeakers?
II BASIC THEORY
1 How Does a Loudspeaker Work?
2 Frequency Response
3 Frequency versus Time
4 Resonance & Damping
5 Finite Element Analysis
6 Young's Modulus
III LOUDSPEAKER MODELS
7 Small Signal Model
8 Polynomial Models
9 Thiele-Small Parameters
10 Large Signal Domain and Model
IV THE DESIGN PROCESS
11 There is a Job To Do - But exactly what?
12 Common Questions for Most Loudspeakers
13 Specifying a loudspeaker driver
14 Project Planning and a Bill of Materials
15 Designing a Subwoofer
V WHAT'S REALLY GOING ON INSIDE A LOUDSPEAKER?
16 Driver Design
17 Magnet
18 Voice Coil
19 Bl(x)
20 Le(x)
21 Motor Unit
VI FEA, BEM AND INTEGRATION
22 Material Specifications
23 Mechanical Finite Element Analysis or FEA
24 Cms(x)
25 Suspension
26 Mechanical Simulations
27 PafLS
28 Linkwitz Transform
VII MECHANICAL DESIGN
29 Visual and Mechanical Design
30 Chassis
31 Cabinet
VIII MEASURING A LOUDSPEAKER
32 Acoustical Measurements
33 A Universal Loudspeaker Driver Test System
34 Tetrahedral Test Chamber - White Paper
IX APPENDICES
A Glossary
B References
C ABEC and VACS Tutorial
D FEMM Tutorial
E Fusion 360 Tutorial
F HOLMImpulse Tutorial
G Klippel LPM Tutorial
H Mecway Tutorial
I Microcap Tutorial
J Appendix PafLS
K Appendix Theoretical Bl(x)
L Statistical Analysis of Loudspeakers
M WinISD
