Speech Technology Center
Speech Technology Center : voice recording,digital voice recorders,audio analisys,noise cancellation, noise reduction, DSP board, embedded solutions, voice identification, audio restoration
http://www.speechpro.com

German Federal Organization Against Aircraft/Airport Noise
Bundesvereinigung gegen Fluglärm e.V.
http://www.fluglaerm.de/bvf/

Environmental Protection UK
UK association of environmental protection specialists. Works on environmental protection and management issues including air quality and noise.
http://www.environmental-protection.org.uk/

Noise Management Institute
The Noise Management Institute works to improve community understanding of noise management issues and to promote effective problem solving using new media technology.
http://www.noisemanagement.org/

Computer Noise Insulation Case
Beschreibung des Computer-Schallschluckgehäuses
http://www.carsten-buschmann.de/noise-protection/

Fulcrum Voice Technologies
Fulcrum Voice Technologies ‚ leading Noise Cancellation / Voice Enhancement in Europe, Specialists in extracting coherent voice in High Noise / Voice Critical environments. In-house design teams in Acoustics, Signal Processing and Electronics ‚ Consultancy, Design & Manufacture
http://www.fulcrum-group.co.uk/voicetech/

Industrial Noise Control Inc.
Industrial Noise Control manufactures high performing industrial noise reduction and soundproofing products and structures used to solve the most common to complex noise control applications
http://www.industrialnoisecontrol.com/

RTA Technology Pty Ltd
- Consultants in acoustics, vibrations & structural dynamics - Loggers & ENM Environmental Noise Model software - Engineering Simulation Products -
http://www.rtagroup.com.au/

Marshall Day Acoustics
Acoustics and noise engineering consulting firm that provides acoustical, environmental noise, and noise control design services, including concert hall and auditorium design, environmental noise assessments, and building services and industrial noise control.
http://www.marshallday.com/

Gear Noise Short Courses
GearLab - Gear Dynamics and Gear Noise Research Laboratory
http://www.gearlab.org