Calculator cluster

Speaker placement & acoustics

Stereo triangle, Atmos ceiling angles, first reflections, room modes and panel coverage.

• Speaker placement & acoustics

  Acoustic Panel Coverage Estimator

  Estimate how many panels you need from room size, target wall coverage and panel area. Cinema rooms often want 20–40%.

• Speaker placement & acoustics

  Dolby Atmos Ceiling Speaker Angle Calculator

  Convert ceiling height and elevation angles into front and rear overhead offsets from the main seat.

• Speaker placement & acoustics

  First Reflection Point (Mirror Trick) Finder

  Estimate side-wall and ceiling first-reflection locations from speaker, seat and room geometry — the calculator version of the mirror trick.

• Speaker placement & acoustics

  Room Modes / Standing Wave Calculator

  Map the first axial modes from length, width and height. Speed of sound 343 m/s. Then plan subs and treatment.

• Speaker placement & acoustics

  Home Theater Seating Riser Height Calculator

  Estimate second-row riser height so the rear seat sees over the front row, from row distances and head clearance.

• Speaker placement & acoustics

  Stereo Speaker Equilateral Triangle Setup

  Turn listening distance into speaker separation for an equilateral stereo triangle, plus a 30° toe-in starting angle.

• Speaker placement & acoustics

  Subwoofer Room Gain Estimator

  Rough in-room bass lift from room volume and how many boundaries the sub sees. Add it to an anechoic SPL.