41. OAL : Ocean Acoustics Lab Scientists and engineers in the Ocean acoustics Lab (OAL) at the Woods Hole Oceanographic Institution (WHOI) are conducting research that will lead to a http://www.oal.whoi.edu/

Highlighted projects Tagged whales ASIAEx 2001 Welcome to the Ocean Acoustics Lab at WHOI Scientists and engineers in the Ocean Acoustics Lab (OAL) at the Woods Hole Oceanographic Institution (WHOI) are conducting research that will lead to a better understanding of the mechanisms of sound propagation in the oceans, and, conversely, how acoustic transmissions themselves can be employed to measure the physical properties of the ocean and its boundaries. Low frequency sound energy is used to probe beneath the sea floor and to measure temperatures and currents in the water column. High frequency energy is used to measure temperature microstructure, small scale currents and wind-blown surface roughness. Many of the tools and techniques for ocean acoustics tomography originated in OAL where they are still the focus of active research. Underwater acousticians in OAL are involved in a wide spectrum of research areas including sonar array performance, acoustic imaging, sound scattering from the Arctic ice and from biologics. OAL scientists and engineers work all over the globe. Recent experiments have been conducted in the frigid Norwegian Sea and the tropical Tasman Sea, in the Gulf of Mexico, the Mediterranean, and the Atlantic and Pacific Oceans. To see some of the diverse research we do in our lab, click on

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WELCOME TO ASCEND ACOUSTICS Award-Winning Audiophile Quality Loudspeakers Made Affordable Via Direct Sales Here at Ascend we excel at manufacturing award-winning high performance loudspeakers and providing exceptional support to our customers. Rather than manufacturing a jumble of different loudspeaker models, we focus all of our energy on only a few truly remarkable, great sounding loudspeakers. Our mission is to manufacture high quality loudspeakers that reproduce the source material as accurately as possible, whether music or a soundtrack. This demands the use of low distortion, custom designed components combined with advanced crossover technologies that provide a linear frequency response on- and off-axis. Naturally, these components are expensive. To keep our unique loudspeakers affordable we sell them factory-direct to you, bypassing the markups inherent in the retail distribution chain. New!!! The Sierra-1 Latest News On Sale Now What The Pros Think We are pleased to announce that all of the Sierra-1 reviews are now posted on our site. Thanks for being so patient with us.

43. Welcome To Waterlily Acoustics! Click Above to Enter. Hosted by Grayphics Santa Barbara s printing, large format, vehicle wraps, digital scanning, tradeshow, web, presentation and design http://waterlilyacoustics.com/

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44. Vibro-Acoustics: Manufacturer Of Noise Control Products For Air Handling Systems At Vibroacoustics®, noise and vibration control for air handling systems is our singular focus. Our specialty. From comprehensive product design, http://www.vibro-acoustics.com/

Noise and Vibration Control Products and Systems At Vibro-Acoustics®, noise and vibration control for air handling systems is our singular focus. Our specialty. From comprehensive product design, laboratory testing and integrated manufacturing to product specification and application, Vibro-Acoustics® delivers more than 45 years of unsurpassed industry experience. And by listening to the needs of our customers, we've developed innovative yet practical solutions for some of the most diverse and dynamic projects in the world. Perhaps that's why we're recognized as the noise and vibration control product specialists with an ear for what you need. Noise Control Products: MoldBlock Industrial Fan Silencers Stack Silencers Specialty Air Handling Units Acoustical Panels, Plenums, and Enclosures Vibration Isolation Systems ... Floating Floor Systems Adobe Acrobat Reader is required to view technical documents This site works best viewed at 1024 x 768. Back Home Search Tel: 416-291-7371 Fax: 416-291-8049 info@vibro-acoustics.com

45. Studio Acoustics What I ve said so far might seem to imply you can take care of all acoustic problems by making every surface absorptive, completely deadening the room. http://arts.ucsc.edu/ems/music/tech_background/TE-14/teces_14.html

ACOUSTIC TREATMENT FOR HOME STUDIOS Part 1: Soundproofing Silence is golden, or at least pretty expensive. Commercial recording studios cost hundreds of thousands of dollars to build because they must allow absolutely no sound to enter from a usually noisy urban environment. Double and triple walls, isolated concrete slabs, custom steel doors are all standard but high priced items used in their construction. A studio's sound is its number one asset and most owners will go to any lengths to get it right. Luckily, electronic music does not normally require the extreme isolation needed for recording live ensembles. The use of microphones is infrequent enough that it can be scheduled for predictably quiet times, and close mic techniques, (which are usually appropriate for sampling or vocal lines) don't pick up much noise. Given a reasonably quiet, solidly built house to start with, a decent home studio can be created with modest expense and effort. Some Theory Sound can travel through any medium in fact it passes through solids better than through air. Sound intensity is reduced in the transition from one material to another, as from the air to a wall and back. The amount of reduction (called the transmission loss) is related to the density of the wall as long as it doesn't move in response to the sound. Unfortunately, all walls are somewhat flexible. Any motion caused by sound striking one side of the wall will result in sound radiated by the other side, an effect called coupling. If the sound hits a resonant frequency, the wall will boom like a drum. Most isolation techniques are really ways to reduce coupling and prevent resonances.

46. Velodyne Rep Sales Center. © 2006 Velodyne acoustics, Inc. Unauthorized Dealers Terms of Use Privacy Statement. http://www.velodyne.com/

Newsletter Signup New! Extended Product Warranty Velodyne now offers a high definition lidar scanner. Check out our close-out on vintage Velodyne speakers. With every order we offer FREE shipping and a FREE Velodyne t-shirt. Newsletter Signup New! Extended Product Warranty Velodyne now offers a high definition lidar scanner. Check out our close-out on vintage Velodyne speakers. With every order we offer FREE shipping and a FREE Velodyne t-shirt. ... Privacy Statement

47. Acoustics Periodic motion, Day 19 Mar 11 Microphones and loudspeakers, Day 20 Mar 13 Auditorium acoustics Auditorium acoustics, Day 22 Mar 20 Auditorium acoustics http://hyperphysics.phy-astr.gsu.edu/hbase/sound/p2030.html

Physics 2030K: Physics of Music and Speech The links in the active calendar below will take you material related to the day's agenda. Day 1 Jan 8 Basic concepts Day 2 Jan 10 Physical quantities Day 17 Mar 4 Spring Break Day 18 Mar 6 Spring Break Day 3 Jan 15 Periodic Motion Day 4 Jan 17 Periodic motion Day 19 Mar 11 Microphones and loudspeakers Day 20 Mar 13 Auditorium acoustics Day 5 Jan 22 Basic wave phenomena Day 6 Jan 24 Wave phenomena, resonance Day 21 Mar 18 Auditorium acoustics Day 22 Mar 20 Auditorium acoustics Day 7 Jan 29 Resonance Day 8 Jan 31 Quiz 1 Day 23 Mar 25 Sound reinforcement systems Day 24 Mar 27 Musical scales and temperament Day 9 Feb 5 Intro to ear and hearing Day 10 Feb 7 Characterizing sound Day 25 Apr 1 Musical scales and temperament Day 26 Apr 3 Musical scales and temperament Day 11 Feb 12 Sound measurement Day 12 Feb 14 Sound measurement Day 27 Apr 8 Quiz 3 Day 28 Apr 10 Acoustics of woodwind instruments Day 13 Feb 19 Sound quality or timbre Day 14 Feb 21 Analysis of sound Day 29 Apr 15 Acoustics of brass instruments Day 30 Apr 17 Acoustics of strings, voice

48. Symposium Acoustics Enter here http://www.symposiumusa.com/

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49. Classroom Acoustics A resource providing information and guidelines in anticipation of new standards for the acoustical design of classrooms. http://www.classroomacoustics.com/

Revised for 2000 CE WebCounter visits this century: Home Page of Classroom Acoustics Issues Resources Suggestions List your Service Are you concerned about the quality of your child's education? Join a growing movement to provide better acoustical environments in school classrooms. This subject has received attention following the publication of a Petition for Rulemaking in the Federal Register in June 1998. This document addressed guidelines for acoustical conditions in classrooms that were being considered by the Access Board for regulation under the Americans with Disabilities Act of 1990. This web site is a resource for those concerned with meeting new standards for the acoustics of classrooms. It will be updated frequently with current events and information of interest to parents, educators, school planners, architects, school boards and others. Watch this space....! Mike Nixon 1937 - 2007 NEWS FLASH click here for reports Mike Nixon Essay What's Wrong with our Classrooms? Childhood is a time of intensive, continuous learning. Both inside and outside the classroom, children practice and develop their social, intellectual and communication skills in a variety of situations. The classroom experience is an opportunity to focus on these critical skills in a controlled environment and provide the stimuli needed to help a child realize his or her full potential. One of the corner stones of a child's early education is the development of language skills. An instinctive grasp of phonetic structure and grammatical rules comes about only through repeated exposure to clear, unambiguous auditory interaction with parents, teachers and peers. Too often such interaction is corrupted or inhibited by the acoustical environment in which it takes place.

50. Architectural Acoustics Consultant Acoustical consultants specializing in architectural acoustics including noise and vibration control for auditoriums, churches, synagogues, http://www.orpheus-acoustics.com/

dqmcodebase = "" //script folder location Enter your email below for a free, informative article on acoustics. Email: Your contact information will NEVER be rented, traded or sold - never, ever! Period. ORPHEUS ASCENDS The pursuit of my passion, excellent acoustics, has inspired an audacious change at Orpheus Acoustics. After eleven years of working alone, I have joined the superb architectural acoustics firm Acoustic Dimensions , with offices in New Rochelle New York, Coventry England, and in Dallas Texas. I still maintain my Lancaster, Pennsylvania office, and thus retain proximity to my Pennsylvania (Maryland, New Jersey, and Virginia) clients. You can still reach me at my direct number: 717-291-9123. All of my new work is done through Acoustic Dimensions. I will be directly involved with new projects that involve my old clients. This frees me up to focus on what I love to do and do best: architectural acoustics design. Working with the creative, knowledgeable and experienced acousticians, sound system designers and support staff at Acoustic Dimensions will constantly improve the quality of my work for you. In addition to their deep expertise in room acoustics design and noise control, the Acoustic Dimensions team includes some of the world's foremost sound system designers. Principals David Kahn and Nick Edwards developed many of the seminal ideas behind the Myerson Symphony Hall in Dallas (the first great modern concert hall and still one of the best in the world. Ron Eligator has over 20 years practical, hands-on experience in projects ranging from critical broadcast and recording environments to large performance and entertainment spaces. Craig Janssen is revered in the sound system word. He was on of the first to use the now-ubiquitous line array to provide sound-system clarity in reverberant spaces. This is awe-inspiring company.

51. Acoustics Room acoustics, acoustic properties decibel A, B and C, Noise Rating (NR) curves, sound transmission, sound pressure, sound intensity, attenuation .. http://www.engineeringtoolbox.com/acoustics-noise-decibels-t_27.html

Acoustics Room acoustics, acoustic properties - decibel A, B and C, Noise Rating (NR) curves, sound transmission, sound pressure, sound intensity, attenuation .. Sponsored Links Abatement and Distance from Source The disruption of sound pressures waves which reduces the noise is called attenuation Acceptable dBA Levels Guidelines for acceptable noise levels in terms of dBA for different locations. Acoustic Calculation of Ventilation Systems A procedure for acoustic calculation of noise in ventilation systems Blade Dampers and Noise Generation Noise generated in blade dampers Blade Pass Frequency - BPF The noise level intensity varies with type of fan Calculate Decibel The logarithmic decibel scale is convenient when calculating resulting sound power levels and sound pressure levels for two or more sound or noise sources. Classification of Noise Reduction Silencers Noise can be eliminated with reactive silencers, diffuser type silencers, active silencers and/or dissipative silencers Comparing Noise Criteria Comparing Noise Criteria (NC), Noise Rating (NR), and dB(A) Daily Noise Dose Level Daily noise dose level when exposed in periods with different noise levels Decibel Decibel is a logarithmic unit used to describe the ratio of the signal level - power, sound pressure, voltage, intensity, etc.

52. Cables, Audio Video, Video Cables, Audio Cables, HDTV, S Video, DVI, Speaker Wir Impact acoustics Cables Manufacturer and distributor of high performance video, audio, audio video, hdtv, s video, dvi, hdmi, vga, and coaxial cables. http://www.impactacoustics.com/

var cmJv="1.1"; var cmJv="1.2"; var cmJv="1.3"; var cmJv="1.4"; var cmJv="1.5"; cmCreateTechPropsTag("index.asp", "IA-Home"); Become a Dealer Login Cart/Checkout E-Mail Specials Product Search: New Products Active Devices Analog Audio Bulk Cable ... Wall Plates Quick Buy: Enter a 5 digit part # to add it to your cart and click Go! Component Video DVI Cables HDMI Cables HDMI to DVI ... HDTV Breakout Optimize your source, monitor and signal path for true high definition. How It Works Plan Installation Product Line Specs ... See the Video Revolutionary interconnect system evolves with your installation. Composite Video RF Cables S-Video Cables S-Video Splitters ... S-Video w/Audio Up to 150 feet, our cables maintain signal integrity to the very last inch. Dual Channel Audio S/PDIF Cables Subwoofer Cables Toslink Complete musical transparency for those who need total sonic honesty. A/V Switchers A/V Splitters Distribution Amps PC to TV ... Signal Converters Switch, split, extend, amplify or convert - the power is all yours! Composite Multi-Signal In Wall Speaker Wire RG6 Coax Speaker Connectors So many choices to help you customize to YOUR specifications!

53. Acoustical Wall Panels | Acoustic Ceiling Panels | Absorb Noise And Echo Acoustical wall panels and acoustical ceiling panels for absorbing noise and sound in auditoriums, sanctuaries, gyms, cafeterias while greatly increasing http://www.perdueacoustics.com/

Members of: National Systems Contractors Association Information Communications Marketplace Assoc. of General Contractors National Assoc. of Music Merchandisers Brochure Product Gallery Product Locations / Photos Acoustics 101 View our product brochure in pdf format or get a printed copy. Visit our new Interactive Product Gallery for products, options and valuable info. See list of locations of installed products and photos. Learn acoustic basics with our Acoustics 101 training DVD . Get it free Click here to listen to interview about Perdue Acoustics' beginnings and unique products as heard on Sky Radio and American Airlines Home About Us Popular Products ... Molded Diffusers Welcome! Perdue Acoustics wall and ceiling acoustical panels with patented Mineral Wool Cores are the highest rated in the industry and can take the heat and provide the highest sound absorption levels and greatly increase speech intelligibility. We have over 18 years experience building and installing acoustical products for worship centers, auditoriums, cafeterias, gyms and convention/expo centers. Try our custom manufactured absorption and diffusion top rated products in your facility or contact us for a free quote or for more info today. Flame Spread 0! - Smoke Developed Rating 0!

54. Macworld EDGE Acoustics GX400 Headset The GX400 combines noise isolating earbuds and an inline mic to create a great lightweight gaming headset. http://www.macworld.com/article/132392/2008/03/gx400.html

55. Welcome To Allison Acoustics Manufacturer of speakers specialized for home theater. USA. http://www.allisonacoustics.com/

NOTICE: Allison Acoustics' Phone System Temporarily Disabled We would like to apologize for any difficulties our customers may have had in reaching us recently. We are working dilligently to repair the issue and will be back on line soon. During repairs, we may be reached directly via email at david@allisonacoustics.com The New Allison One Loudspeakers These exceptional loudspeakers share the same acoustic properties as the original Allison Ones, first manufactured by Roy Allison in 1974... Read the recent interviews with our President David Faulkner and Chief Acoustic Engineer Roy Allison.

56. Boston Acoustics Takes A Shot With Duo-i IPod Boombox - Engadget Case in point Boston acoustics is offering up an AM / FM Stereo Radio with iPod dock, which packs a pair of 3.5inch full-range drivers, http://www.engadget.com/2008/03/12/boston-acoustics-takes-a-shot-with-duo-i-ipod

@import url(http://www.blogsmithmedia.com/www.engadget.com/media/style.css); Catch some concepts at the New York Auto Show! Tip us on news! RSS Feed Category Feeds Engadget in: Boston Acoustics takes a shot with Duo-i iPod boombox Posted Mar 12th 2008 7:51AM by Darren Murph Filed under: Portable Audio Portable Video Believe it or not, the deluge of iPod sound systems has died down in the past couple of months, but that's not to say newcomers won't join the absolutely oversaturated market. Case in point: Boston Acoustics is offering up an AM / FM Stereo Radio with iPod dock, which packs a pair of 3.5-inch full-range drivers, BassTrac low-frequency processing, twin auxiliary ports for connecting other DAPs / PMPs, line and stereo headphone outputs and a fancy display that automatically adjusts to ambient light. Furthermore, you'll find dual independent alarm clocks, a "touch" (slam?) sensitive snooze bar and a wireless remote to keep your derriere planted. As for pricing, this one's pretty much par for the course at $199.99. [Via Tech Digest Tags: boombox Boston Acoustics BostonAcoustics Duo-i ... Comments Relevant Posts Clear iPod case pulls double duty with rotating speakers (17 days ago - 11 Comments) Bird Electron's EZ17-B speaker puts your old iPod nano / Shuffle case to work (71 days ago - 17 Comments) DLO introduces HomeDock HD: yet another upscaling iPod dock (77 days ago - 20 Comments) Wadia Digital intros iTransport: the audiophile's iPod dock (90 days ago - 33 Comments) Cue Radio plays nice with your iPod (89 days ago - 2 Comments)

57. Bass Traps Acoustic Panels From Ready Acoustics Ready acoustics, LLC. High Definition Sound. We Ship Worldwide! PRODUCTS. Chameleon Bass Traps Acoustic Frames; New! CHAMELEON BASS TRAPS; New! http://www.readyacoustics.com/

We Ship Worldwide! Call me: 952-303-6112 Home Products Services FREE ACOUSTICS ADVICE ... Satisfied Customers "Chameleon Bass Traps are Here!!" Check out our Chameleon Bass Trap Configurator for details... You need to upgrade your Flash Player "These panels work! They really really work." ~Michael Wagener - WireWorld Studio You need to upgrade your Flash Player PRODUCTS New! CHAMELEON BASS TRAPS New! CHAMELEON ACOUSTIC FRAMES Ready Traps Acoustic Panels BROADBAND BASS TRAPS SUPER SUB-BASS TRAPS HIGH FREQUENCY ABSORBERS STANDARD ROOM PACKAGE DIY! Ready Bags BROADBAND BASS TRAP BAGS HIGH FREQUENCY ACOUSTIC BAGS SUPER SUB-BASS TRAP BAGS 12-PACK ACOUSTIC BAGS BUNDLE Ready Mounts Stylish Brackets WALL MOUNTS NESTED CORNER MOUNT Nested Corner Mount System Owens Corning Sound Insulation OWENS CORNING 705 OWENS CORNING 703 Company Mission ... Satisfied Customers

58. IEEE Xplore Acoustics, Speech, And Signal Processing [see Also (1991 Present) Signal Processing, IEEE Transactions on see also acoustics, Speech, and Signal Processing, IEEE Transactions on http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=29

59. HEA_Website From Tennessee, large speakers built with many drivers. http://www.nearfieldacoustics.com/

60. The International Institute Of Acoustics And Vibration The purpose of the International Institute of acoustics and Vibration (IIAV) is to advance the science of acoustics and vibration by creating an http://www.iiav.org/

The International Institute of Acoustics and Vibration IIAV 'To promote the interdisciplinary areas of study within acoustics and the mechanics of solids and fluids' IIAV Website IIAV Publications IIAV site directory IIAV News IIAV Membership Information for IIAV members and those who are intersted in IIAV membership. Members' Forum Members Membership Member Benefits ... Become a Member Email: Password: Remind me my password The purpose of the International Institute of Acoustics and Vibration (IIAV) is to advance the science of acoustics and vibration by creating an international scientific society that is responsive to the needs of scientists and engineers in all countries whose primary interests are in the fields of acoustics and vibration. The Institute cooperates with scientific societies in all countries and with other international organizations with the aim of increasing information exchange by sponsoring, cosponsoring or supporting seminars, workshops, congresses and publishing journals, newsletters and other publications. The IIAV provides a refereed journal on paper, the International Journal of Acoustics and Vibration (IJAV), electronic newsletter and the International Sound and Vibration Digest (ISVD) for all members as part of their dues. The IIAV organizes an annual premier world event, the International Congress on Sound and Vibration (ICSV), which combines all areas of acoustics, noise and vibration.

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