Construction Guide

Treatment Layouts

Per-room acoustic treatment placement plans. Every panel, bass trap, QRD diffuser, and motorized curtain — positioned and justified.

VO Live — B304

8 absorption panels · 4 bass traps · 0 QRD · 1 motorized curtain. The tightest NC target (NC-12) demands maximum absorption coverage.

WallTypeTreatmentQtyPositionNotes
North (W1, STC 65)Concrete + RSICAbsorption panels3Evenly spaced, 120cm AFF centerPrimary absorption wall
North (W1)Concrete + RSICBass traps2NE + NW corners, floor-to-ceiling300mm corner placement
South (W6, STC 53)VO/Control partitionAbsorption panels2Either side of D3 door + OW-1 windowAvoid window/door zones
East (W5, STC 55)Buffer spineAbsorption panels2Evenly spaced, 120cm AFF centerBuffer spine face
East (W5)Buffer spineBass traps2SE corner, floor-to-ceiling300mm corner placement
West (W2, STC 65)NW diagonal concreteAbsorption panel1Center of diagonal faceRSIC-V clips behind

Motorized Curtain

Fabric
450 g/m² acoustic velour, double-layered
Coverage
3.2 m²
Drive
DC motor, silent operation (<20 dBA)
Track
Ceiling-mounted C-rail
Dead position (retracted)
RT60 0.20s
Live position (deployed)
RT60 0.27s

Total: 8 panels, 4 bass traps, 1 motorized curtain

Control Room — B311

2 absorption panels · 4 bass traps · 2 QRD diffusers. First-reflection control for stereo monitoring accuracy. 50mm absorption behind monitors.

WallTypeTreatmentQtyPositionNotes
North (W6, STC 53)VO/Control partitionNone2Observation wall — D3 + OW-1 window
South (W4, STC 50)Rebuilt partitionBass traps2SW + SE corners, floor-to-ceiling300mm corner placement
South (W4)Rebuilt partitionQRD diffusers2Rear wall center, 80×80cm eachRear diffusion for stereo image
East (W5, STC 55)Buffer spineAbsorption panel1First-reflection point, ~120cm AFF, ~75cm from north[AC] Critical for stereo imaging
East (W5)Buffer spineBass trap1South corner onlyD2 door blocks east corner
West (W2, STC 65)NW diagonal concreteAbsorption panel1First-reflection point, mirror of east panel[AC] Critical for stereo imaging
West (W2)NW diagonal concreteBass traps1SW corner, floor-to-ceiling300mm corner placement
Front wallMonitor wall50mm absorptionBehind Genelec 8030C L+R monitorsReduces front-wall reflections

Total: 2 panels, 4 bass traps (east corner suppressed by D2), 2 QRD

Video Studio — B312-1

13 absorption panels · 4 bass traps · 2 QRD diffusers. Coverage ratio: 50% absorption / 20% diffusion / 30% reflective (intentional).

WallTypeTreatmentQtyPositionNotes
North (W1, STC 65)Concrete + RSICAbsorption panels6Camera/production wall, evenly spaced[DEC] Keep 30% reflective zone
South (W7, STC 48)Studio/Editing partitionAbsorption panels6Upper section, above QRDD4 at 10cm from west blocks SW corner
South (W7)Studio/Editing partitionQRD diffusers2Lower center, 800×800mm eachDiffusion for even sound field
East (W3, STC 62)Server wallAbsorption panels2Flanking green screenGreen screen wall — keep clear zone
West (W5, STC 55)Buffer spineAbsorption panel1Center of buffer spine faceMinimal — camera side
North (W1, STC 65)Concrete + RSICBass traps2NW + NE corners, floor-to-ceiling300mm corner placement
South (W7, STC 48)Studio/Editing partitionBass traps2SW + SE corners, floor-to-ceiling300mm corner placement
Note: 4 bass traps restored from the simulation baseline — install in all 4 corners before commissioning.

Total: 13 panels, 4 bass traps, 2 QRD

Editing Suite — B312-2

[AC] 4 panels REQUIRED — without them RT60 = 0.42s, which fails the 0.30–0.50s target range. These panels cannot be deferred.

WallTypeTreatmentQtyPositionNotes
North (W7, STC 48)Studio/Editing partitionAbsorption panel1Center sectionD4 at 10cm from west blocks NW corner
South (W4, STC 50)Rebuilt partitionAbsorption panels2Workstation wall, flanking positionsPrimary absorption for 3 workstations
South (W4, STC 50)Rebuilt partitionBass traps2SW + SE room-end corners, floor-to-ceiling300mm corner placement
East (W3, STC 62)Server wallNone2No treatment required
West (W5, STC 55)Buffer spineAbsorption panel1Center of buffer spine faceCompletes absorption coverage
2 bass traps required — install them at the room-end corners to control low-frequency buildup while preserving the workstation layout.

Total: 4 panels required [AC], 2 bass traps, 0 QRD

Treatment Summary

RoomPanelsBass TrapsQRDCurtain[AC] Required?
VO Live B3048401 motorizedYes — NC-12 target
Control Room B311242Yes — first-reflection
Video Studio B312-11342Yes — RT60 target
Editing Suite B312-24204 [AC]
TOTALS31 + 4 QRD = 351441Order: 38 (10% waste)

[AC] Acoustic Critical — Editing Suite RT60 without panels = 0.42s, failing the 0.36s target. These 4 panels must be installed before commissioning sign-off.

Panel count logic: 27 required (8 VO + 2 CR + 13 ST + 4 ED) + 4 spares = 31 absorption panels + 4 QRD diffusers = 35 total panels. Order 38 (35 + 10% waste buffer).

Mounting Method
French cleat / Z-clip

Must be removable for electrical access behind panels

Panel Core
Rockwool RWA45, 50mm

1200×600mm, NRC 0.90 at 500Hz, Class A fire-rated fabric