61. Allied Environmental Consultants Limited Offering acoustics, environmental planning engineering and pollution control services. Located in Hong Kong. http://www.aechk.com/

[News Date: 28-10-2001 The organization Allied Environmental Consultants Limited (AEC) is an independent consultancy engaged in the field of acoustics and environmental engineering. We have established offices in Hong Kong, Xian, London, Kuala Lumpur, Tokyo, Singapore, Wuhan, Perth etc. The company operates as a multi-disciplinary amalgamation of resources and the professional expertise of the organization as a whole is available to work on any particular project irrespective of its location. As a result, AEC enjoys a reputation for quality, innovation and professionalism in all aspects of its work.

62. Welcome To Hodgson & Hodgson: Acoustic Division Independent consultants and design advice in the fields of acoustics, noise and vibration. Includes information on services and projects. http://www.acoustic.co.uk/

Acoustic Design Consultants Professional Acoustic Consultants Incorporating: Ecomax Acoustics Ltd and The Noise Control Centre Architectural, Industrial and Commercial Acoustic Products

63. Cavanaugh Tocci Associates, Inc. consultants in architectural acoustics, noise and vibration control, sound system design. Information on firm, staff, experience, publications. http://www.cavtocci.com/

This page uses frames, but your browser doesn't support them. cavanaugh tocci associates, inc. consultants in acoustics 327 F Boston Post Road, Sudbury, MA 01776 Architectural Acoustics Noise and Vibration Control Sound System Design Environmental Sound Assessment and Control Anniversary Year home about the firm staff featured projects tech topics ... webmaster

64. Kirkegaard Associates Home Page consultants in architectural acoustics, audio/video systems and mechanical noise isolation. Specializing in performing arts spaces, concert halls, churches and universities. http://www.kirkegaard.com/

Sydney Conservatorium of Music Receives UNESCO Asia-Pacific Heritage Award for Cultural Conservation Award of Merit Read More enter website

65. [ DSM & Associates ] Solutions for acoustics, Sound, Audio/Visual Systems and Project Management. Assisting architects, engineers, school systems, Colleges and Universities, churches, recording studios, television and radio stations contractors. http://www.dsmassociates.com

66. Theer & Associates - Acoustic Consulting Services World Wide Acoustic consultants specializing in architectural acoustics with an emphasis on electroacoustics. The firm was established to provide consulting services to architects, owners, and contractors. http://theer.com/

Acoustic Consulting world wide services from Theer and Associates

67. HGC Engineering: Noise Control, Vibration Isolation And Acoustical Consultants consultants specializing in noise control, vibration isolation, acoustics. Deals with architectural acoustics and new product design. http://www.hgcengineering.com/

Noise vibration and acoustics are integral components of the built and the natural environment. Whether it is control measures for building noise and vibration, assistance in designing acoustical buildings, noise testing of new products, the need for vibration control in industry or environmental noise assessments and impact studies, HGC can work with you. We engineer effective solutions based on a solid understanding of acoustical physical principles, thorough analysis, modeling and years of experience. Our specializations include acoustical engineering, environmental noise and vibration, building vibration isolation, industrial noise and vibration control, architectural acoustics and acoustical research and development You will find selected acoustical engineering projects on these pages as a representation of our work. HGC Engineering methods for gathering vibration measurement, noise reduction and acoustical analysis information include an extensive collection of software and measurement equipment. We use advanced vibration analysis software to design effective isolation systems for buildings. Some specific techniques HGC uses to implement both vibration control and noise control measures include modal analysis, fatigue failure, sound intensity, ray tracing and sound power determination. Thank you for visiting us. The following pages will tell you more about us and provide useful information concerning noise control, vibration and acoustics.

68. Engineering Dynamics International - Acoustical.Structural.Mechanical.Theater.Co Missouri consultants in architectural acoustics, noise, HVAC vibration control, sound testing, audio and video systems, and performance lighting. Specializing in churches, schools, offices, theaters and auditoriums. http://www.edi-stl.com/

69. Peter Lloyd And Associates- Consultants In Noise Control And Acoustics Northern Ireland based consultants in noise control, vibration and acoustics. http://www.lloydsound.co.uk/

Phone: 028 9042 8080 Fax: 028 9042 8063 home about us client base architectural ... contact us Peter Lloyd and Associates are consultants in noise control, acoustics and vibration. We are based near Belfast, Northern Ireland and offer a wide range of consultancy services in the following areas:

70. Power Acoustics, Inc. Power Industry Acoustical Consultants Acoustical consultants specializing in the power industry. Designed noise control for hundreds of Category Business Energy and Environment consultants......Power acoustics, Inc. consultants provide quality professional acoustical consultingservices including computerized plant noise modeling, environmental http://www.poweracoustics.com/

Acoustical Consultants Specializing in the Power Industry Power Acoustics, Inc. consultants provide quality professional acoustical consulting services including: computerized plant noise modeling, environmental impact assessments, noise control design services, ambient sound surveys, acoustic compliance measurements and analysis for all industrial applications. Power Acoustics' principal consultant, Dave Parzych , has designed noise control for hundreds of simple cycle combustion turbine (gas turbine), cogeneration and steam power plants and is committed to working closely with the power industry on turbomachinery and similar industrial noise problems. We are sensitive to our customer's need for noise abatement at reduced costs in increasingly competitive markets. Our computerized design capability assures optimum noise control designs. Also available is Version 2 of , a low cost environmental sound propagation model based on the ISO 9613 standard provides calculations of specific field points and predictions of A and C-weighted sound level contours as well. 4x2 Combined Cycle Project Viewed from backyard of nearby neighbor M ember ANSI and ISO Gas Turbine Noise Standards Committees Power Acoustics, Inc.

71. Noise And Vibration Consultants vibration, acoustics, sound, noise consultants, noise consultancy, noise and vibrationconsultants, vibration and noise consultants, acoustics, acoustic, sound http://www.environmental.co.uk/pages/noise and vibration consultants.html

CIVIL ENGINEERING DYNAMICS Ltd ACOUSTICS - AIR QUALITY - ENVIRONMENTAL ASSESSMENTS - NOISE - STRUCTURAL DYNAMICS - VIBRATION CONSULTANTS and ENVIRONMENTAL INSTRUMENT HIRE 8 - 11 Oak Walk, BedZED Centre, Hackbridge, Surrey, SM6 7DE. T: 020 8647 1908 F: 020 8395 1556 E: enquiries@environmental.co.uk The Civil Engineering Dynamics logo represents the 3-dimensional orbital path of a particle under vibration

72. Acoustics, Noise Consultants PDA Ltd - Experts In Sound! Acoustic and noise consultants covering architectural, mechanical and environmental noise areas and Category Business Energy and Environment Noise and Vibration Control......acoustics and Noise consultants PDA Ltd - Experts in Sound - Providersof Expert Evidence! Welcome to the PDA Ltd web site. Philip http://www.pdaltd.com/

Acoustics and Noise consultants - PDA Ltd - Experts in Sound - Providers of Expert Evidence! Welcome to the PDA Ltd web site. Philip Dunbavin Acoustics Ltd was formed in 1988 as an independent acoustic consultancy, providing expert analysis, advice and design in all areas of acoustics, noise and vibration. PDA's consulting engineers have considerable experience in all aspects of acoustics and are therefore able to offer a comprehensive service, including analysis, initial design work, problem solving and troubleshooting. If you need an acoustic consultant or would like to know more about what we do please visit our site map. Philip Dunbavin Acoustics Ltd. 212 Manchester Road, Warrington, Tel : 01925 418188 Fax : 01925 577116 e-mail : mail@pdaltd.com Aiming to become the centre of excellence for acoustics on the World Wide Web All content (c) PDA Ltd 2003. Last updated: 22nd February 2003. PDA's WebCounter says you are visitor number Web site promotion by Makemetop.

73. McSquared System Design Group, Inc. - Consultants In Sound/Video/Acoustics Consulting firm providing sound system design, audio/video presentation system design and acoustical Category Business Construction and Maintenance Design Acousticians...... amazonlogo.gif - 1678 Bytes Visit our reference book page for a list of recommendedreading on acoustics, sound systems, speakers, studio technique and http://www.mcsquared.com/

FastFind Index About M c Squared ... Contact Us Feature Pages Audio Demos Useful Calculators Reference Books All over the map ... Employment McSquared Website Search powered by Memberships Member of the International Communications Industries Association Member of the National Systems Contracting Association Audio Engineering Society Members M c Squared System Design Group, Inc. is an independent consulting firm providing sound system design, audio/video presentation system design and acoustical design services throughout the world from our North Vancouver office. We are not associated with any sales firm and do not sell any products or systems, our only business is consulting. We are focused on designing the most effective technical solution for the users' needs and then successfully integrating that solution into the architectural environment. Sound and video systems are used in lecture theatres, videoconference suites, city council chambers, corporate or government training facilities, as well as retail or museum multimedia displays... any place where people need to be entertained, educated, or must communicate more effectively. All this technology must be integrated into the architectural and acoustical environment to work effectively. This is our role, to assist the design team in bringing the technology and the environment together into a functional whole, while maintaining the architectural vision of the designer. An independent consultant represents good value when a significant capital investment is required in sound or video systems. Because we have no vested interest in particular brands of equipment or systems, we are able to recommend and specify the products that offer the best performance for the cost. We also provide objective sign-off criteria for system performance and installation so that the client can be satisfied that the equipment performs as required before final payment is made.

74. Acentech - Noise Control, Acoustics, Audiovisual Systems consultants in architectural acoustics, noise and vibration control, and audiovisual and sound system design. http://www.acentech.com/

Acentech - Noise Control, Acoustics, Audiovisual Systems

75. Campanella Associates - Acoustics FAQ An informal file of typical questions and answers on acoustical topics.Category Science Technology acoustics, Ultrasound and Vibration......acoustics FAQ. This enhanced version of the Acoustical FAQ file is provided by Campanellaacoustics.com,acoustical consultants, as a public service to foster http://www.point-and-click.com/Campanella_Acoustics/faq/faq.htm

Acoustics FAQ An informal file of typical questions and answers on acoustical topics. For global compatibility, only ASCII symbols are used. Aims: To make acoustics accessible to a wider public. To encourage cooperation within the acoustics community. Table of Contents (Key Word Index is found in Section 7.) 0] Credits (see 10]) 1] Resource Pointers 1.1 What acoustics related news groups and FAQs are there? 1.2 What World Wide Web sites are there? ... 4.5 How do I improve the noise insulation of my house/dwelling? 5] Reserved 6] Miscellaneous Questions 6.1 What is active noise control? 6.2 What causes a sonic boom? 6.3 Can you focus sound? ... 10] Composers 1] Resource Pointers *** 1.1 What acoustic related news groups and FAQs are there? news groups news:alt.sci.physics.acoustics - started by Angelo Campanella - now the principal group for discussion of acoustics topics. Ang's CV is at URL http://www.Point-and-Click.com/Campanella_Acoustics/angelo.htm news:sci.physics - general physics but occasionally acoustics related questions are posted. news:rec.audio.tech

76. Campanella Associates - ACCULAB Reference Sound Source Click Here to Return to Home Page ACCULAB REFERENCE SOUND SOURCE INSTRUCTIONMANUAL FOR REFERENCE SOUND SOURCE RSS101, 300, 400, 500 http://www.point-and-click.com/campanella_acoustics/rssman.htm

ACCULAB REFERENCE SOUND SOURCE INSTRUCTION MANUAL FOR REFERENCE SOUND SOURCE RSS-101, RSS 400 As Used for Laboratory and Field Noise Measurement Applications CONTENTS OF REFERENCE SOUND SOURCE MANUAL Specifications Unpacking / Acoustical Application Hemianechoic Calibration Data Packing / Shipping / Parts List ... Prices NOTE 1: DUT.PWL = DUT.SPL - RSS.SPL + RSS.CAL dB re one Picowatt. [one Picowatt = 10^(-12 watts)] Thus, sound power can be measured at all audio frequencies, typically in 1/3 octave bands separately. The Hemianechoic Calibration following shows such RSS.CAL information for a typical ACCULAB RSS 101. (The RSS101 is for use on 60 Hz alternating current common in North America. A 50 Hz unit, the ACCULAB RSS 300 is also available. 110vac and 220vac arrangements are also available) NOTE 2: In recent years, sound power measurement with the INTENSITY method has become increasingly important. ISO 9614, parts 1 and 2 now address this measuremnt. Ostensibly, it should be immune to background noise to an extent and also eliminate the need for a reference sound source. But in reality, the intensity method requires a special probe having two identical microphones, an accurate analog/digital signal processor, software algorithms that are in themselves complex and also operators not yet widely experienced in handling all of these parameters. In addition, microphone spacing must be changed at least once to measure sound power over a wide frequency range.

77. Industrial Noise Control Is The Specialty Of ATCO Noise Management Canadian acoustics consultants and engineering company providing services for industrial noise reduction, noise management assemblies, acoustic enclosures and a range of silencing products. Includes services, projects, and contacts. http://www.atconoise.com/

ATCO Noise Management is very good at doing one "not so simple" thing - noise reduction. Not so long ago, noise wasn't even considered as a source of pollution. Nowadays, however, noise control is a mandatory requirement for just about every type of industrial initiative. With industry under the ever-watchful eye of public interest groups and government legislators, plant owners and operators are requiring the guaranteed compliance to noise level targets that ATCO Noise Management's team of acoustical engineers and acoustical consultants deliver. Offering a comprehensive portfolio of specialized acoustic assemblies and a complete range of silencing products and solutions, ATCO Noise Management ensures that industrial facilities and other sources of noise comply with current and anticipated future noise regulations. Our project installations range from the very simple to the very complex, with no two projects having exactly the same specifications or scope. However, one thing that remains the same for each acoustical project, is that ATCO Noise Management guarantees you will meet your noise reduction target Announcements: ATCO awarded major UK contract from Bechtel Acoustical Consulting by ATCO Noise Management - learn what makes us unique....

78. ACOUSTICAL CONSULTANTS Environmental and Industrial Acoustic Associates Noise and Vibration AcousticControl Laboratories Acoustic Design consultants - acoustics, Noise, and http://www.acoustics.org/consultants.html

Home Acoustical ... News Technical Fields Organizations Books ... Z A AcenTech - Architectural, Noise and Vibration, Audiovisual, Environmental and Industrial Acoustic Associates - Noise and Vibration Acoustic Control Laboratories Acoustic Design Consultants - Acoustics, Noise, and Vibration Acoustic Design Services Ltd - Acoustics, Noise, and Vibration Acoustical Design Group Inc - Acoustics, Sound and Video Systems Acoustic Dimensions - Acoustics and Performing Technologies Acoustic Spaces - Studio and Technical Facility Design Acoustilog - Acosutic measurement, consultation, design, and troubleshooting Activ Acoustic - Noise and Vibration Control Adrian James Acoustics - Buildings for the Arts and Education Aercoustics Engineering Limited - Acoustics, Vibration, and Noise Control Akustiks - serving performing arts organizations, cultural and entertainment facilities, and educational institutions Alactronics Anthony Best Dynamics Limited ANV - Acoustics, Nosie and Vibration Applied Acoustic Design APT Acoustics - Acoustics, Noise and Vibration Control Arpeggio, LLC

79. Soundproofing - Euronoisecontrol - GEIE - Best Soundproofing European consortium of noise control product vendors and consultants addressing industrial and environmental acoustics. Includes brief description and links to member firms. http://www.euronoisecontrol.com

Euronoisecontrol - G.E.I.E. is a organization that readily responds to its clients needs.We have the tools, experience, and know-how required to provide the optimal solution to all types of acoustic problems. Our capabilities include detail design of noise control treatments, testing, and monitoring in the following areas: Auditoriums, Recording studios, Cinemas, Gyms, Heavy industry,Business offices, Chain production lines, Bottling plants,Engine rooms, Power generators exhausts, Roads, Tunnels and airports. On the industrial front, Euronoisecontrol - GEIE has investigated several sites affected by industrial noise to determine their potential impact on the neighborhood. We have provided predictions and noise abatement guidance for roof top air conditioner units, gas turbines, chain lines, and exhaust hoods for laboratories. Euronoisecontrol - GEIE has also participated in "quiet" product development programs. Room acoustic characteristics have been improved in road tunnels and bridges, offices and at industrial sites. Here some related words and arguments, to follow to learn more...soundproofing,industrial silencers,noise control,noise reduction,acoustic,acoustic door,acoustic silencers,acoustic panel,soundproofing panels,sound absorbent,sound absorbing,sound proof booths,acoustic window,noise control,acoustic systems,industrial sound-proofing,anti-noise,acoustic pollution,decibel,acoustic protection,noise reduction,noise,panel,sound absorbing panel,sound absorbent panels,isolation,insulation ,soundproofing,baffles,schallstop,road noise,traffic noise, noise-insulated containers

80. RMP Building Acoustics & Noise Control Consultants UK firm specialising in acoustic design, building services noise, sound insulation, planning and research Category Business Construction and Maintenance Design Acousticians......Robin Mackenzie Partnership offers its services as acoustical consultants for any acoustical project. Specialist areas are room acoustic design, building http://www.rmp.org.uk/

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