Three-workstation post-production suite. Most relaxed acoustic requirements (NC-35). Functions as both workspace and circulation corridor.
| Width | 4.90 m (490 cm) |
| Depth | 1.75 m |
| Height | 2.75 m (acoustic ceiling) |
| Area | 8.56 m² |
| Volume | 23.54 m³ (8.56 × 2.75) |
| Flooring | carpet |
| North | Studio/Editing partition (Wall 7, STC 40) — D4 door 10cm from west edge |
| South | South exterior wall (Wall 4, STC 50) — D1 entry at 434cm from SW corner |
| East | East server wall (Wall 3, STC 62) — B313 server room 55–65 dBA source |
| West | Buffer spine (Wall 5, STC 55) |
| Door | D1 — Entry |
| Size | 90 × 220 cm |
| STC | 50 |
| Swing | N into Editing |
This room is highlighted on the full zone plan. All positions from SSOT → DXF.
| walls | 30% absorption (minimal - least critical room) |
| ceiling | Armstrong Ultima+ (NRC 0.70) — standard grid at 2.75m |
| ceiling above | 100mm Rockwool ProRox SL 930 batts on top of tiles |
| bassTraps | none needed (NC-35 tolerance) |
| floor | carpet on float floor |
Target range: 0.30s – 0.50s · Achieved @ 1kHz: 0.36s
| Frequency | Target | Achieved | Diff | Status |
|---|---|---|---|---|
| 125 Hz | 0.50s | 0.52s | 0.02s | ✅ |
| 250 Hz | 0.48s | 0.47s | -0.01s | ✅ |
| 500 Hz | 0.45s | 0.41s | -0.04s | ✅ |
| 1000 Hz | 0.42s | 0.38s | -0.04s | ✅ |
| 2000 Hz | 0.38s | 0.37s | -0.01s | ✅ |
| 4000 Hz | 0.37s | 0.36s | -0.01s | ✅ |
Schroeder frequency: 247 Hz · Dimensions: 4.9 × 1.75 × 2.75 m
| Mode | Length (4.9m) | Width (1.75m) | Height (2.75m) |
|---|---|---|---|
| n=1 | 35.0 Hz | 98.0 Hz | 62.4 Hz |
| n=2 | 70.0 Hz | 196.0 Hz | 124.7 Hz |
| n=3 | 105.0 Hz | 294.0 Hz | 187.1 Hz |
| n=4 | 140.0 Hz | — | 249.5 Hz |
| n=5 | 175.0 Hz | — | 311.8 Hz |
| NC Target | NC-35 |
| HVAC Max | NC-25 |
| Transmitted Max | NC-25 |
| Design Margin | 7 dB |
| NC Pass | ≤ 35 |
| NC Conditional | ≤ 38 |
| RT60 Range | 0.3s – 0.55s |
| Min STC | 40 |
SSOT v3.1 · March 2026 · Source: DXF → ezdxf → verified