Acoustics Calculators
Room mode analysis, resonance identification and acoustic treatment calculators for studios and listening rooms.
1 free calculators in Acoustics
Room Acoustics and Mode Analysis
Every enclosed space has resonant frequencies determined by its dimensions. These room modes cause peaks and nulls in the low-frequency response that can make mixing and critical listening unreliable. Understanding your room's modal behaviour is the first step toward effective acoustic treatment.
The room mode calculator identifies axial, tangential and oblique modes from your room dimensions and highlights problematic frequency clusters where multiple modes overlap. This information guides decisions about bass trap placement and room dimension ratios.
Axial modes are the strongest and most problematic, occurring between two parallel surfaces. Tangential modes involve four surfaces and are typically 3 dB weaker, while oblique modes involve all six surfaces and are 6 dB weaker. Effective treatment prioritises the axial modes first.