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Acoustic Engineering Workflow

In this video, I demonstrate one of several design workflows that an acoustic engineer may use for product design. All the showcased software is either free or open source: OpenSCAD: https://openscad.org/ FreeCAD: https://www.freecad.org/ (Calc) Libre Office: https://www.libreoffice.org/ REW: https://www.roomeqwizard.com/ DesignSpark Mechanical: https://www.rs-online.com/ Blender: https://www.blender.org/ Car Audio Subwoofer Enclosure Design: https://adcaraudio.com/store/enclosur... Home Audio & Advanced Systems Design: https://hexibase.com/contact/ 00:00 - Preface 00:12 - Enclosure Design Request 00:46 - Listening Space Profiles 01:40 - Input 02:00 - Output(s) 02:29 - The Driver 02:54 - Enclosure Models 03:20 - Analysis: Sealed Model 04:01 - Boundary-Specific Transform Functions 04:27 - Equal Loudness Target 05:25 - Analysis: Transmission Line Model 05:56 - Exercising the Constraints 07:13 - Analysis: Bass-Reflex, Quasi-Cylindrical Model 08:29 - The "One Note Wonder" Scenario 09:09 - Analysis: Ducted Reflex Model 09:54 - Analysis: Dual-Stage Bass-Reflex Model 10:31 - "What's It Tuned To?" 11:32 - Practical Fb Scenario 12:38 - Analysis: 3rd Order Bandpass Model 13:00 - Analysis: 4rd Order Bandpass Model 13:17 - Let The Driver's Behavior Decide 13:44 - Analysis: 5th Order Series-Tuned Bandpass Model 13:50 - Analysis: 5th Order Parallel-Tuned Bandpass Model 14:11 - Analysis: 6th Order Parallel-Tuned Bandpass Model 14:25 - Upper Acoustic Order Threshold 14:46 - Air Flow Analysis 15:34 - Fabrication Strategies & Effects 16:31 - FEM: When to Brace or Double-Stack 17:11 - Final Design 17:27 - "Will It Scale?" 18:09 - Wrong Sub 18:22 - Wrong Car 18:53 - In Closing