NAE National Academy of Engineering

NASA National Aeronautics and Space Administration

NAW Noise Action Week

NCAC National Council of Acoustical Consultants

NCEJ Noise Control Engineering Journal

NCHRP National Cooperative Highway Research Program

NCSI National Center for Standards Certification Information

NDI noise depreciation index

NDSI noise depreciation sensitivity index

NEF noise exposure forecast

NIH National Institutes of Health

NIHL noise-induced hearing loss

NIOSH National Institute for Occupational Safety and Health

NIPTS noise-induced permanent threshold shift

NIST National Institute of Standards and Technology

NNI noise and number index

NNI Noise/News International

NOISE-CON National Conference on Noise Control Engineering

NPS National Park Service

NRR noise reduction rating

NVLAP National Voluntary Laboratory Accreditation Program

OECD Organisation for Economic Co-operation and Development

OGAC open-grade asphalt concrete

OMB Office of Management and Budget

ONAC Office of Noise Abatement and Control

ONCC O’Hare Noise Compatibility Commission

OSHA Occupational Safety and Health Administration

OSHRC Occupational Safety and Health Review Commission

OSTP Office of Science and Technology Policy

PARTNER Partnership for Air Transportation Noise and Emissions Reduction

PCC Portland cement concrete

PEL permitted exposure level

PIRG Public Information Research Group

PnDB unit of perceived noise level

PNL perceived noise level

PPE personal protective equipment

QPPP Quiet Pavement Pilot Program

QTD Quiet Technology Demonstrator Program

R&D research and development

RRT rapid rail transit

SAE Society of Automotive Engineers (SAE International)

SAX-40 Silent Aircraft Initiative

SBAC Society of British Aerospace Companies (through a merger, now ADS)

SEL sound exposure level

SILENCE Aircraft Noise Reduction Project (European Union)

SILVIA based on silenda via (the road must be silent)

SMA stone matrix asphalt

SME Society of Mechanical Engineers

STAIRRS Strategies and Tools to Assess and Implement Noise-Reducing Measures for Railway Systems

STC sound transmission class

TC43/SC1 (ISO) Technical Committee 43 Subcommittee 1 (Noise)

TGV train à grande vitesse (France)

TNM Traffic Noise Model

TPNRC Tire-Pavement Noise Research Consortium

TRB Transportation Research Board

TTS temporary threshold shift

TÜV Technischer Überwachungs-Verein (Germany)

TWA time-weighted average

TWINS track-wheel interaction noise system

UHBR ultra high bypass ratio

UL Underwriters Laboratories

UNECE United Nations Economic Commission for Europe

USAF U.S. Air Force

USC U.S. Code

USCB U.S. Census Bureau

USD U.S. dollar

USTR U.S. Trade Representative

VCA Vehicle Certification Agency (United Kingdom)


WG1 Working Group on Noise Indicators

WG2 Working Group on Socio-Economic Aspects of Noise

WHO World Health Organization

WTA willingness to accept

WTP willingness to pay

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