Private attic home cinema in 9.4.6 in HTM: acoustic wall with a solid screen, two subwoofers housed in the partition and two at the rear, rear-wall projector with its beam, diffusers on the rear side walls, ceiling speakers along the slope, two rows of three seats, 3D view

The vocabulary behind HTM.

HTM handles a lot of technical notions, which is what gives it its depth. This glossary explains them by category, following the app's phases: room acoustics (Phase 2), measurement (Phase 3), video calibration (Phase 4) and the immersive formats that shape placement (Phase 1). Filter by category or type to search.

HTM puts these notions to work.

Every term in this glossary matches something HTM predicts, measures or checks: RT60 per band, modes in 3D, Atmos / DTS:X / Auro-3D conformity, your picture's ΔE… The glossary gives the vocabulary. The app does the maths and delivers the verdicts.

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