به قسمتى كه قرمز كردم توجه كنين خصوصيت در اتاق آكوستيك يا اتاق ساكت واسه شنوايى سنجى. سربى هم در كار نيست!!!! متاسفم كه به هيچ كتابى نمى شه اعتماد كرد، عقل و منطق خودمون بهتره!
http://www.iac-acoustics.com/cms/documents/Audiometric_Rooms.pdf
اين لينكم ببينين عكس و پلان و ايناش هست.
Advantages of Noise Barriers' Audiometric Exam Rooms
- Custom designed to meet your requirements
- Designed to provide excellent in-to-out/out-to-in noise reduction
- Exceptional interior room acoustics
- Unlimited size and shape
- Can be disassembled & relocated
- Adjustable LED lighting gives off no heat, the room remains cooler than with incandescent lighting
- Adjustable air flow, low profile, roof mounted silenced ventilation system
- Significant tax advantages
- No construction mess
Construction
Preassembled, partially assembled or shipped modular for on-site installation
Base
Cellular steel insulated or open bottom (Either design can be fork-liftable or equipped with lifting lugs)
Floor
Optional Vibration Isolated Floor
Insulated Panel Construction
4” thick with removable wall sections available
Doors
Single-leaf, double-leaf or pocket sliding... with or without windows
Ceiling
22 gauge perforated metal or lay-in grid system
Windows
Double-glazed safety glass, wire glass, polycarbonate, or bulletresistant glass may be straight or sloped
Electrical Options
Recessed lighting, convenience outlets, distribution panel and concealed electric conduit options. Pre-wired jack panel consisting of eight (8) ¼” mono connectors, two (2) ¼” stereo connectors and two (2) USB ports.
HVAC System
Water-cooled or air-cooled wall-mounted or ceiling-mounted air conditioners and floor-, wall-, or ceiling-mounted heaters
Surface Finish
Interior Fabric Wrapped panel finish is standard in your choice of 48 colors
Weatherproofing
Available as required
Acoustic Performance
STC 40-56, higher if necessary