Acoustic Physics Calculators
Interactive previews of the physics behind the product — standing waves, boundary dips, early reflections, and treatment estimates. Fast in the browser; full solvers live in the 3D room builder.
SBIR & Wall Dip Visualizer
Drag a speaker on the floor plan. Plot quarter-wave cancellation dips from front, side, and rear walls — then hear the null.
- • Quarter-wave nulls
- • FR dip plot
- • Hear the dip
- • Drag-to-place speaker
First-Reflection Mirror Auralizer
Locate specular mirror points, see early-reflection comb filtering, and toggle a virtual panel to flatten the highs.
- • Mirror coordinates
- • Comb-filter plot
- • Virtual panel toggle
- • Audio A/B
3D Room Mode Explorer
Browse axial, tangential, and oblique modes to 250 Hz with a pressure heatmap. Drop a desk and check for bass nulls.
- • 3D pressure heatmap
- • Desk null warning
- • Mode table to 250 Hz
- • Seat auralization
How Many Panels Do I Need?
30-second quiz: room size, use case, construction → RT60 estimate and a bass-trap / reflection / cloud breakdown.
- • Sabine RT60 estimate
- • Role-based breakdown
- • Studio / theater / hi-fi
- • Construction materials
Room Mode Calculator
Calculate axial, tangential, and oblique standing wave frequencies for rectangular rooms. Includes Schroeder crossover analysis and modal spacing.
- • Axial, tangential & oblique modes
- • Schroeder crossover frequency
- • Bolt ratio validation
- • Bonello mode spacing
Speaker Placement Calculator
Find optimal studio monitor and listening position locations using the 38% rule, equilateral triangle geometry, and boundary interference (SBIR) reduction.
- • 38% rule listening spot
- • Equilateral triangle geometry
- • SBIR distance optimization
- • Toe-in angle calculation
Acoustic Panel Calculator
Determine how many acoustic panels and bass traps your room requires based on total surface area, target absorption coverage, and reflection points.
- • Surface area calculation
- • 15%, 25%, 35% coverage tiers
- • Bass trap corner counts
- • First reflection panel counts
First Reflection Point Calculator
Locate exact mirror reflection points on side walls, front wall, rear wall, and ceiling to eliminate destructive early acoustic reflections.
- • Mirror point coordinates
- • Side wall & ceiling cloud geometry
- • Step-by-step mirror test
- • Panel placement guidance
Porous Absorber Calculator
Model an absorption-coefficient-vs-frequency curve from flow resistivity, thickness, and air gap using the Delany-Bazley-Miki model.
- • Delany-Bazley-Miki model
- • Flow resistivity presets
- • Air gap tuning
- • Normal & random incidence NRC
Solve your room in 3D
Combine these calculations into a full 3D interactive room model with eigenmode heatmaps and sound stage analysis.