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🎬 B312-1

Video/Podcast Studio

Multi-purpose video and podcast production space. 3.6m camera throw with green screen capability. Hard floor for rolling equipment.

Floor Area
11.23 m²
Volume
30.88 m³
NC Target
NC-25
RT60 @ 1kHz
0.25s

Dimensions & Geometry

Room Dimensions

Width4.90 m (490 cm)
Depth2.29 m
Height2.75 m (acoustic ceiling)
Area11.23 m²
Volume30.88 m³ (11.23 × 2.75)
Flooringvinyl

Boundaries

NorthNorth concrete wall (Wall 1, STC 65)
SouthStudio/Editing partition (Wall 7, STC 40) — D4 door 10cm from west edge
EastEast server wall (Wall 3, STC 62)
WestBuffer spine (Wall 5, STC 55)

Door

DoorD4 — Video Studio
Size90 × 220 cm
STC40
SwingN into Video Studio

Room Floor Plan

This room is highlighted on the full zone plan. All positions from SSOT → DXF.

BUFFER STC55 COL-W COL-E D190×220 STC50D290×220 STC45D380×220 STC45D490×220 STC40 W1 80×50 VO Live B304 5.31 m² · NC-20 Control Room B311 5.47 m² · NC-25 Video/Podcast Studio B312-1 11.23 m² · NC-25 Editing Suite B312-2 8.56 m² · NC-35 207152039019723860 cm (north wall inner)229175448 cm (diagonal) D1 STC50 D2 STC45 D3 STC45 D4 STC40 W1 STC50 Column Door swing N

Acoustic Treatment

walls50% absorption, 20% diffusion, 30% reflective
ceilingRockfon Sonar E (NRC 0.90) — 80% coverage in T-grid at 2.75m
ceiling above100mm Rockwool ProRox SL 930 batts on top of tiles
bassTraps4x corner-mounted
floorfloat floor (no carpet - hard surface for rolling equipment)

Studio Infrastructure

Floor Boxes

ST-AFB1Audio floor box — 8× XLR inputs
ST-AFB2Audio floor box — 8× XLR inputs
ST-FBGeneral floor box — power + data

Lighting

Main2× 200W LED panel 2700–3500K tunable
TallyTALLY-02 above D4, controlled from Control Room desk

RT60 Analysis

Target range: 0.25s – 0.4s · Achieved @ 1kHz: 0.25s

FrequencyTargetAchievedDiffStatus
125 Hz0.35s0.38s0.03s✅
250 Hz0.32s0.33s0.01s✅
500 Hz0.30s0.28s-0.02s✅
1000 Hz0.28s0.26s-0.02s✅
2000 Hz0.28s0.25s-0.03s✅
4000 Hz0.28s0.24s-0.04s✅

Modal Analysis

Schroeder frequency: 180 Hz · Dimensions: 4.9 × 2.29 × 2.75 m

ModeLength (4.9m)Width (2.29m)Height (2.75m)
n=1 35.0 Hz 74.9 Hz 62.4 Hz
n=2 70.0 Hz 149.8 Hz 124.7 Hz
n=3 105.0 Hz 224.7 Hz 187.1 Hz
n=4 140.0 Hz 299.6 Hz 249.5 Hz
n=5 175.0 Hz — 311.8 Hz

Noise Criteria Budget

NC TargetNC-25
HVAC MaxNC-18
Transmitted MaxNC-18
Design Margin4 dB

Acceptance Criteria

NC Pass≤ 25
NC Conditional≤ 28
RT60 Range0.2s – 0.45s
Min STC40

SSOT v3.1 · March 2026 · Source: DXF → ezdxf → verified