Blend OS Projects Library Docs Theme

Blend Acoustics/ Docs

Foundations

How the app thinks
Units, conventions, coordinate system
Uncertainty & tolerances

Room Modal Acoustics

Room modes explained
Modal frequency math
Modal pressure at a point

Subwoofer Optimization

Why multiple subs
Sub placement math (ELC)
Phase, delay, and polarity
Optimizer internals

Isolation & Structure-Borne Sound

Transmission Loss basics (ISO)
Wall, floor & ceiling assemblies
Flanking & leaks

Absorption & RT60

What RT60 actually measures
Absorption coefficients (α)
Treatment recommender logic
Bass traps vs broadband

Reflections & Geometry

Early reflections & ITD gap
Ray tracing vs image source vs FEM/BEM
Diffusion

Perceptual & Metric Layer

Weighting curves (A, C, Z)
Speech & music metrics (C50, C80, D50, STI)
Target curves

Methodology & Trust

Formula registry
Validation & test cases
Glossary

Reflections & Geometry/Phase 3

Early reflections & ITD gap

First-reflection points and the mirror-image method.

Ray tracing vs image source vs FEM/BEM