Articles tagged “RT60 calculation”
6 articles covering RT60 calculation in acoustic engineering and building design.
Free Absorption Calculation Spreadsheet — Sabine + Eyring RT60 (Excel)
Download a free RT60 calculation spreadsheet using both Sabine and Eyring equations. Includes octave-band columns, material library, worked example, and instant compliance check.
How to Calculate RT60 for an Open-Plan Office — Full Worked Example
Step-by-step Sabine RT60 calculation for a 300 m² open-plan office. Every surface area, absorption coefficient, and octave-band sum shown — from bare slab to treated space.
Restaurant Acoustic Treatment Calculation — From 2.1 s RT60 to Comfortable Dining
250 m² restaurant with 4 m ceilings and RT60 = 2.1 s. Calculate the absorption deficit and design a treatment scheme to reach 0.8 s — with full octave-band before/after comparison.
Sabine vs Eyring Equation — When Sabine Fails Above α 0.4 | Free Calculator | AcousPlan
Sabine's equation overestimates RT60 by 47% when average absorption exceeds 0.4. Full error table and decision tree for choosing the right formula.
AcousPlan vs Excel Spreadsheets: Why 70% of Acoustic Calculations Still Use Excel
Why acoustic consultants still use Excel for RT60 calculations — and when purpose-built software like AcousPlan changes the equation. Honest comparison of both approaches.
Architectural Acoustic Design: The Student Guide (With Free Calculation Tools)
Written for architecture and engineering students, this guide covers sound behaviour, absorption, reflection, diffusion, the Sabine and Eyring equations derived from first principles, common assignment types, and a fully worked lecture theatre design example using free tools.