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Downloads – DIY Diffuser Designs & Resources

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Diffuser Optimization Thesis

The Lean Optimization of Acoustic Diffusers: Design by Artificial Evolution & Time Domain Simulation

 

Diffuser Blueprints

Leanfuser™ (Stepped Diffuser A1-LF) Fabrication Drawings
* Live in North America? Click here for notes on how to use 1/2″ stock material.

Stepfractal™ (Fractal Diffuser B2-Frac) Fabrication Specs

 

Diffusion Coefficients & Performance Reports

Optimized Stepped Diffuser A1-LF Performance Reports:

  • Module A1-LF Performance Report (0 Degree Incidence vs. Diffuse)
  • Module A1-LF Performance Report (25 Degree Incidence vs. Diffuse)
  • Module A1-LF Performance Report (45 Degree Incidence vs. Diffuse)
  • Array A1-LF Performance Report (0 Degree Incidence vs. Diffuse)
  • Array A1-LF Performance Report (25 Degree Incidence vs. Diffuse)
  • Array A1-LF Performance Report (45 Degree Incidence vs. Diffuse)
  • Modulated Array A1-LF Performance Report (0 Degree Incidence vs. Diffuse)
  • Modulated Array A1-LF Performance Report (45 Degree Incidence vs. Diffuse)

Optimized Stepped Diffuser B2-LF Performance Reports:

  • Module B2-LF Performance Report (0 Degree Incidence vs. Diffuse)
  • Module B2-LF Performance Report (25 Degree Incidence vs. Diffuse)
  • Module B2-LF Performance Report (45 Degree Incidence vs. Diffuse)
  • Array B2-LF Performance Report (0 Degree Incidence vs. Diffuse)
  • Array B2-LF Performance Report (25 Degree Incidence vs. Diffuse)
  • Array B2-LF Performance Report (45 Degree Incidence vs. Diffuse)

Fractal Diffuser B2-Frac Performance Reports (Coming Soon):


Reference Diffuser 1: A 15+ cm Deep, N = 7 Optimized Stepped Diffuser [Diffuser designed by Trevor J. Cox, “The Optimization of Profiled Diffusers”, 1994]:

  • 1 Period of Deep N = 7 Stepped Diffuser Performance (0 Degree Incidence vs. Diffuse)
  • 1 Period of Deep N = 7 Stepped Diffuser Performance (25 Degree Incidence vs. Diffuse)
  • 1 Period of Deep N = 7 Stepped Diffuser Performance (45 Degree Incidence vs. Diffuse)
  • 5 Periods of Deep N = 7 Stepped Diffuser Performance (0 Degree Incidence vs. Diffuse)
  • 5 Periods of Deep N = 7 Stepped Diffuser Performance (25 Degree Incidence vs. Diffuse)
  • 5 Periods of Deep N = 7 Stepped Diffuser Performance (45 Degree Incidence vs. Diffuse)

Reference Diffuser 2: A 20+ cm Deep, N = 36 Optimized Stepped Diffuser [Diffuser designed by Trevor J. Cox, “The Optimization of Profiled Diffusers”, 1994]:

  • Optimized N = 36 Stepped Diffuser Performance (0 Degree Incidence vs. Diffuse)
  • Optimized N = 36 Stepped Diffuser Performance (25 Degree Incidence vs. Diffuse)
  • Optimized N = 36 Stepped Diffuser Performance (45 Degree Incidence vs. Diffuse)
 

More Acoustics Research & Design Documents

Click Here for More Acoustics and Studio Design Downloads

ACOUSTICS PROJECTS

  • > Acoustic Diffuser Optimization
  • > Eco Recording Studio Design
  • > Spatial Acoustic Measurement
  • > Hybrid Convolution Reverb Model

TUTORIALS & DIY RESOURCES

  • > Free DIY Sound Diffuser Blueprints
  • > Room & Speaker Setup Tutorial
  •    > Speaker-Wall Distance
  •    > Surround Sound Setup
  •    > Acoustic Treatment 101
  • > Bass Traps 101: Placement Guide

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DESIGN & CONSULTING

Tim Perry is Arqen’s acoustical designer. He also offers room treatment consulting and recording studio design services. Tim studied acoustics and audio production at the University of Victoria, while majoring in electrical engineering. He has worked with brilliant musicians including
  • JUNO-winning pianist Hilario Duran
  • Michael Nicolella
  • Charanga Danzón & Andrew Schloss
  • Alcan & Lafayette String Quartets
  • Bruce More & Victoria Prima Choir
  • János Sándor & UVic Symphonic Orchestra
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