V select · G move · R rotate · S resize · Ctrl+D duplicate · Del delete. Treatment rotation is in the host-surface plane.
Local treatments — treatment patches are scene objects. Place ceiling, floor or wall treatments from the object palette above; edit material, size and in-plane rotation in the shared inspector.
No audio file? “Play in room” excites the current RIR with a short synthetic click.
Ready-made office, speech, education, industrial, polygon and benchmark cases. Loading a preset replaces the current model and can be undone.
A: empty · B: empty
Measurement reference
Columns: source, receiver, band and any of EDT, T20, T30, C50, C80, D50, Ts. Imported rows are compared with the current model without changing it.
PTB Room Acoustics Absorption Coefficient Database contains more than 2000 datasets and scattering coefficients where available. The browser below is designed to remain usable after importing a large selection.
Starter values are editable. Use measured project-specific absorption/scattering data for engineering decisions.
CSV/TSV columns: name, category, source, note, 125…8000, scattering. Header aliases such as alpha125/a125 are accepted. JSON may contain an array of the same records.