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Acoustics & Audio Technology News

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Frequency: 6 issues/year
Description: GlobalSpec's Acoustics & Audio Technology free eNewsletter covers the field of sound recording, sound reproduction, and sound abatement. The components, materials, and technologies used to generate, manipulate, and measure sound in mobile telecommunications and other devices, and the applications of these components are this free email publication's primary focus.
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GlobalSpec: DirectU2 Acoustics & Audio Technology
November 17, 2008
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Focusing with Sound

Focusing with Sound Sound may be just what's needed to fast focus liquid lenses for cameras and similar functions in electronic devices like cell phones, claim researchers. Consisting of one water drop, liquid lenses are in high demand because a water drop is as close to spherical as you can get — surface tension makes it so. And such functionality is significantly less expensive than utilizing hard materials for lenses. While low-cost Webcams have already incorporated this liquid-lens technology via electric current to force focus the lens, researchers at Rensselaer took a new tack: high-frequency sound to rapidly focus the lens. With the optimal small aperture, scientists expect to develop a lens that oscillates at 100,000 cycles/sec with software capturing the best image.

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• Aerospace Technology
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• Automotive Technology
• Defense & Security               Technology

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New Acoustical Wall Panel for Critical Listening Environments
Acoustics First Corporation

New Acoustical Wall Panel for Critical Listening Environments HiPer Panel™ wall and ceiling panels combine sound absorption and diffusion in a single device. Its patented design incorporates multiple substrates, hole patterns, and membrane to achieve its performance characteristics. The use of standard acoustical fabric finishes allows the HiPer Panel™ to be visually intermixed with traditional acoustical wall panels.

Streamline Your Design Process with 3D CAD Connector Models
Fischer Connectors SA

Streamline Your Design Process with 3D CAD Connector Models Fischer Connectors develops high-performance push-pull connectors. Known for their ruggedness, sealing properties, EMC shielding, and compactness, Fischer connectors are ideal for equipment used in harsh environmental conditions. Find the one meeting your project requirements in the new Fischer Connectors' 3D CAD models library.

Speakers & Amplifiers . . .
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Clickjack Attacks

Clickjack Attacks Who'd have ever thought that a microphone and/or Webcam could be hijacked, then harnessed into a "malicious surveillance platform?" Aptly named "clickjacking," this browser exploitation allows perpetrators to secretly see and hear computer users. Fortunately there are ways to avoid such trespassing other than unplugging your mike and covering your camera. Read all about it in this informative Information Week article.

To Hear or Not to Hear

To Hear or Not to Hear Jet planes, rock concerts, and industrial machinery all produce noise that can damage a person's hearing. That's an established "given." A new European Union study warns users of portable media players (iPods, MP3 players, etc.) that listening too high for too long could cause an estimated 10% of music lovers to begin to lose their hearing — cumulative and permanent loss applies — within five years. The solution? Turn down the volume. What about technical subject podcasts?

Acoustic Materials . . .
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Mediating the Medians

Mediating the Medians Today, highways are expanding to more lanes to handle the traffic flow, creating more noise for nearby residents who want the decibel level reduced. Toward that end "innovative noise mitigation measures" are being considered by the Ohio Turnpike Commission in a $500,000 study in Northeast Ohio. Acoustic panels and "T" Top noise barriers, with absorption material (already proven in Germany), that reduce noise by 2-3 dB are being considered.

Low-Noise SiGe

Low-Noise SiGe When it comes to analog circuits, SiGe (silicon germanium) is a credible alternative to typical CMOS (complementary-metal-oxide-semiconductor) processes. The advantage is low noise in fast high-voltage transistors via bipolar SiGe and BiCMOS (bipolar-CMOS) SiGe — germanium-strained-silicon CMOS not withstanding. This EDN article examines the "fast, quiet, and powerful" SiGe and details the related advantages.

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The Noise Police Acoustical Products

LIT Industries, Inc.

The Noise Police Acoustical Products

LIT Industries' The Noise Police™ Acoustical Blankets offer ideal protection from harmful noises associated with industrial production. Custom-designed for your specific application, these products are available in a variety of configurations to meet the specific requirements for your plant and personnel.

View other products offered by LIT Industries, Inc.

ECHO Digital Intercom and Communication Systems
Federal Signal Corporation/Industrial Systems

ECHO Digital Intercom and Communication Systems Provides addressable intercom, public address, general alarm, paging, and telecommunication capabilities. Single system can offer the same level of safety, coverage, and reliability normally achieved with multiple systems. Interfaces with a variety of third-party equipment. Enables critical life safety, evacuation, and communication system integration. Installation and commissioning is easy and cost-effective. Learn more.

Signal Measurement & Processing . . .
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Optimizing Low-Noise Designs

Optimizing Low-Noise Designs The need for low-noise circuit designs has progressed from the industrial/instrumentation sector to low-voltage, battery-powered consumer electronics. The challenge is minimizing system noise in these low-voltage electronic units. While selecting low-noise components is a good start toward achieving optimal signal-conditioning, addressing noise sources at the component level is what is really important. This Planet Analog article delves into the issues and tradeoffs involved.

Measuring Noise with a Spectrum Analyzer

Measuring Noise with a Spectrum Analyzer Characterized as the "classical limitation of electronics," noise and quasi-noise signals can be measured. This four-part article from EE Times Asia addresses its direct measurement and characteristics in the first installment; measuring noise-like signals in the second; utilizing averaging techniques in the third; and compensating for instrumentation noise during measurement in the fourth.

Mobile Telecommunications . . .
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RFID Sorts Recyclables

RFID Sorts Recyclables Remote monitoring and tracking via RFID has a myriad of practical applications, some of which have not yet been conceived, but many unique ones are already in the works. For instance, RFID can take the labor out of sorting recyclable materials by identifying the same type of plastic containers and doing so at assembly line speed. RFID is also a way to facilitate repairs, identifying/checking truck traffic, managing the growth of pigs — i.e., no pig left behind, and lots more. All because of convenience and cost-effectiveness.

Toward Open Wireless Networks

Toward Open Wireless Networks Renowned for controlling both the hardware and software that can function on wireless networks, wireless service providers may be changing their druthers. To date one wireless career, Verizon, is taking the initiative to enable any device to be used on its network. The company recently purchased wireless 700 MHz frequencies previously reserved for analog TV. Undoubtedly, a step in the right direction.

Focus On . . .
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Measurement Microphone Kit
Audio Precision

Measurement Microphone Kit

An accurate measurement microphone is a critical component in acquiring acoustic signals for loudspeaker testing, room analysis, and noise measurements.

Audio Precision's Measurement Microphone Kit provides exceptionally high accuracy for single-mic acoustic measurements. Add a second mic for two-channel acquisitions, and a microphone calibrator for an acoustic reference source.

SigQC
Signalysis, Inc.

SigQC SigQC performs defect detection in both production and laboratory environments using state-of-the-art, non-destructive testing methodology. By utilizing data acquisition and analysis systems based on vibration and acoustics technology, coupled with a variety of transducers integrated into the production line, product signatures can be obtained in real-time, determining whether the product passes or fails.

Careers & Commentary . . .
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Quiet Counts with Appliances

Quiet Counts with Appliances Low noise is definitely a plus when it comes to major kitchen appliances according to the most recent J.D. Powers and Associates Kitchen Appliances Study reported in Appliance Magazine. Among the six factors used to measure customer satisfaction is operational performance, comprising functionality, noise level, and energy efficiency. Not surprisingly, the highest preference for dishwashers in particular relies on noise level and energy efficiency.

Diversions . . .
Mobile Phones Decipher Koala Calls

Mobile Phones Decipher Koala Calls Koalas are not actually making cell phone calls, but scientists at the University of Queensland are utilizing GPS collars and sound sensors powered by solar energy to report their location every two hours. The scientific eavesdropping transmits koala "bellows" via Telstra's Next G network. Researchers hope to find out how this diminishing species breeds.

Share Your Thoughts . . .
About This Month's Topic

About This Month's Topic How Important Are Noise Levels?

While certain frequencies and decibel levels are more damaging than others to the human ear, what precautions do you or your company take to minimize such deleterious effects for both end-product users and workers on the manufacturing floor?


Join the discussion...


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November 17, 2008 - Volume 3 Issue 11
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Archives
Past Issues of this eNewsletter
Volume 9 - Issue 2 - 03/17/2014
Noise Datalogger for Environmental Studies and Outdoors Applications; Join Us for Our Educational Webinars; PUI Piezo Benders ; Custom Built Transformers; Low Inrush Current Toroidal Transformers and Isolation Stations; Quick and Reliable High Quality Cable and Wire!
Volume 9 - Issue 1 - 01/20/2014
Noise and Vibration = Product Quality; Newly Released Products for 2014; Vibration/Temperature Monitoring for Industrial Machinery; HALT and HASS Testing for Product Reliability; Complete Triaxial Monitoring Solutions; Noise and Vibration Analyzer - OR35
Volume 8 - Issue 6 - 11/18/2013
New USB Triaxial Vibration Measurement System; Noise and Vibration = Product Quality; Records Sound Levels and Displays Frequency Spectrum; Available - PUI Audio AW-10 and AW-15 Sirens; The Next Generation Acoustical Material is Here; Piezo Electric, Sound Electronics, Audio Signals ; Newly Released Products for 2014; Remotely Monitor Pressure and Room Condition
Volume 8 - Issue 5 - 09/16/2013
Audio Transformers; EMI/RFI Shielding; Watch Acoustiblok's Educational Soundproofing Installation Video; Acoustic Doors and Windows; Studio 54 Cleanable Acoustical Panels; Records Sound Levels and Displays Frequency Spectrum; Alarms Can't Fail in Critical Applications; ROHM Semiconductor USB/MP3 Audio Media Decoder
Volume 8 - Issue 4 - 07/15/2013
Acoustical Room Kits by Acoustical Solutions; SMD Molded High Current Power Inductors; Audio Design Workshop Live Webcast from AES Helsinki; Nondestructive Testing Services/Industrial Sector; Models 765M25 and 765M27 Acoustic Sensors; Rugged, Dependable, Shielded SMD Power Inductors; ROHM Semiconductor USB/MP3 Audio Media Decoder
Volume 8 - Issue 3 - 05/20/2013
Custom Magnetics for Acoustics and Audio; QB 2 a Technology for Personal Quiet Zone; Piezo Motor Stage / Ultrasonic PiezoMotor; Complete Testing of ASIO PC Audio Interfaces; CKE Supression Devices; Overly Sound Rated Doors Ready for Quick Shipment; PUI Audio Electret Condenser Microphones
Volume 8 - Issue 2 - 03/18/2013
The Active Noise Reduction Dev Kit 'Enabler Edition'; Piezoelectric/Force Balance Accelerometers; Dual Winding Shielded SMD Power Inductors; Digital Hydrometers and Density Meters; Complete Solution for Greener Acoustics;
Volume 8 - Issue 1 - 01/21/2013
Noise Reduction Trim; Best Single Axis in Seismic Accelerometer; Measure Vibration, Ultrasound, and Temperature Simultaneously; Complete Testing of ASIO PC Audio Interfaces; Ride the Wave with Whisperwave
Volume 7 - Issue 6 - 11/19/2012
APx511 Hearing Instrument Analyzer; Quiet Bubble Technology; Rugged, Highly Accurate Force Balance Accelerometers; X-MET5100 Handheld XRF Analyzer for Fast Grade ID; 1/N Octave Analysis; Unleash Your Creativity with WhisperWave Baffles; Piezo Electric, Sound Electronics, Audio Signals ; Star Ceilings 101 - How To's; HALT and HASS Testing for Product Reliability
Volume 7 - Issue 5 - 09/17/2012
No-compromise Smartphone Audio Test; APTIV Black Film Delivers in Acoustic Speakers; Custom Air Core Inductor Coils; SMD Molded High Current Power Inductors; Adding Art to Acoustical Treatments; Nondestructive Testing Services/Industrial Sector
Volume 7 - Issue 4 - 07/16/2012
Quiet Bubble Technology; PUI Audio AW-10 and AW-15 Sirens; Masterys IP+ (10 to 80 kVA) Tailor-made to Withstand Harsh Environments; Piezo Electric, Sound Electronics, Audio Signals; The World Standard in Audio Test
Volume 7 - Issue 3 - 05/21/2012
Quiet Bubble Technology; We Have All Your Test Equipment Needs; New Model 831 Reverberation Firmware; Models 765M25 and 765M27 Acoustic Sensors
Volume 7 - Issue 2 - 03/19/2012
New Model 831 Reverberation Firmware; We Have All Your Test Equipment Needs; PUI Audio AW-10 and AW-15 Sirens; Custom Sound-proofing and Acoustic Materials; Piezo Electric, Sound Electronics, Audio Signals; Advanced Field Vibration Analyzers
Volume 7 - Issue 1 - 01/16/2012
APTIV Black Film Delivers in Acoustic Speakers; Acoustic Emission; Advanced Field Vibration Analyzers; New Industrial Buyer's Guide; Custom Sound-proofing and Acoustic Materials
Volume 6 - Issue 12 - 12/19/2011
APTIV Black Film Delivers in Acoustic Speakers; Acoustic Emission; Overall Acoustic Level; Custom Sound-proofing and Acoustic Materials; EEC Magnets and Assemblies ITAR/DFARS Compliant; Waterproof Equipment Cases from Dayang Enclosures
Volume 6 - Issue 11 - 11/21/2011
APTIV Black Film Delivers in Acoustic Speakers; New Model 831 Reverberation Firmware; AW-10 and AW-15 Sirens; Ultra-low Capacitance Diode Arrays for ESD Protection; PolyMetallix Nanoscale Zero Valent Iron
Volume 6 - Issue 10 - 10/17/2011
New Model 831 Reverberation Firmware; Overall Acoustic Level; BK Precision 735 Sound Level Meter, Logging; Fluke Ti32 60Hz Thermal Imager
Volume 6 - Issue 9 - 09/19/2011
Acoustic and Impulse Cleaning Systems; Acoustical Materials - Polyurethane Foam; Miniature Speaker Series Provides Broad Spectrum of Sounds; Acoustic Emission; Models 765M25 and 765M27 Acoustic Sensors; LP-13 Shake Absorber - an Invaluable Tool to Sound Engineering; TFA9881/2 3.4 W Audio Amplifiers
Volume 6 - Issue 8 - 08/15/2011
Analyze Audio Playback Devices Faster; Extech 407730 Digital Sound Meter; Overall Acoustic Level; 735 Sound Level Meter, Logging
Volume 6 - Issue 7 - 07/18/2011
Overall Acoustic Level; New Model 831 Reverberation Firmware; BK Precision 735 Sound Level Meter, Logging; 5.7 in. Surface Acoustic Wave Touch Screen Release
Volume 6 - Issue 6 - 06/20/2011
Nor 848 Acoustic Camera; Acoustic Emission; CSS-05 Series Buzzers; Custom Sound-proofing and Acoustic Materials; ECHO Digital Intercom and Communication Systems; Driver Units - DKU-75F
Volume 6 - Issue 5 - 05/16/2011
Audio Transformers; 407730 Digital Sound Meter; Cost-effective Large Channel Acoustic Measurements; PA-Systems - DKU 100N;
Volume 6 - Issue 4 - 04/18/2011
Custom Sound-proofing and Acoustic Materials; Acoustic Emission; Noise and Vibration Analyzer - Ultraportable OR34; Sound Barrier Walls, Fences, and Enclosures; Tensility's Slim Line Audio Cables for Applications with Limited Space; APTIV Black Film Delivers in Acoustic Speakers
Volume 6 - Issue 3 - 03/21/2011
Simple Solutions for Complex Audio Problems; Soundproofing Breakthrough; New Model 831 Reverberation Firmware; Digital Sound Meter
Volume 6 - Issue 2 - 02/21/2011
Superior Analog Audio Noise Reduction; AS9100 Certified Precision Metal Fabricator; New Model 831 Reverberation Firmware; Knowles Acoustics' MR Series Features a Waterproof Bellows Assembly; Overall Acoustic Level
Volume 6 - Issue 1 - 01/17/2011
Low-cost USA Made Military Headset; Models 765M25 and 765M27 Acoustic Sensors; Magnetic-free Harsh Environment Piezo Speaker; APTIV Black Film Delivers in Acoustic Speakers
Volume 5 - Issue 12 - 12/20/2010
Got an Industrial Noise Problem?; Acoustic Solutions for Industrial Applications; Custom Sound-proofing and Acoustic Materials; Acoustic Emission; Slim Line Audio Cables from Tensility; Overall Acoustic Level
Volume 5 - Issue 11 - 11/15/2010
Records Sound Levels and Displays Frequency Spectrum; Acoustical Foam - Polyurethane; 5.7 in. Surface Acoustic Wave Touch Screen Release; APTIV Black Film Delivers in Acoustic Speakers; BK Precision 735 Sound Level Meter, Logging; Sound Level Meters
Volume 5 - Issue 10 - 10/18/2010
Control Sound and Eliminate Noise; Remote / Stand Alone Noise and Vibration Analysis; Acoustic Emission; AD8271 Precision Programmable-Gain Difference Amplifier
Volume 5 - Issue 9 - 09/20/2010
Industrial All Weather Sound Panels; Models 765M25 and 765M27 Acoustic Sensors; Sound Level Meters from Larson Davis; BK Precision 735 Sound Level Meter, Logging; Custom Sound-proofing and Acoustic Materials
Volume 5 - Issue 8 - 08/16/2010
Reduce Noise and Block Sound; Introduction to Acoustics Simulation Tutorial CD - Complimentary Copies Available; Multi-Layer Piezo Speakers from PUI Audio; Industrial Silencers and Sound Attenuators
Volume 5 - Issue 7 - 07/19/2010
Got an Industrial Noise Problem?; APTIV Black Film Delivers in Acoustic Speakers; Complimentary Acoustics Simulation Kit CD; Overall Acoustic Level; Acoustic Emission; Acoustical Curtain Composites
Volume 5 - Issue 6 - 06/21/2010
Custom Sound-proofing and Acoustic Materials; Digital Sound Meter; ROHM Audio IC - Ground Isolation Amplifier; Noise Dose Meter; Line Array-PA System Remote Alignment Tool; BK Precision 735 Sound Level Meter, Logging
Volume 5 - Issue 5 - 05/17/2010
Audio Transformers; Reduce Noise and Block Sound; Boiler Tube Cleaning with Impulse Technology Webinar; Sound Level Meters from Larson Davis; Noise Control with Perforated Metal Components; NaviSound 400 Hydrographic Echosounders; ECHO Digital Intercom and Communication Systems
Volume 5 - Issue 4 - 04/19/2010
Complimentary Acoustics Simulation Kit CD; Models 765M25 and 765M27 Acoustic Sensors; APTIV Black Film Delivers in Acoustic Speakers; PUI Audio Surface Mount Speakers Now; Noise Reduction and Heat Removal Equipment;
Volume 5 - Issue 3 - 03/15/2010
Specializing in Inrush Current Limiting Thermistors; Audio Product and Device Testing Services; Acoustical Enclosures; S-Cube: Reduces Acoustic Noise; Sound Level Meters; Overall Acoustic Level; Precision 735 Sound Level Meter, Logging
Volume 5 - Issue 2 - 02/15/2010
Complimentary Acoustics Simulation Kit CD; Digital Sound Meter; PUI Audio Surface Mount Speakers; Acoustic Emission; Custom Sound-proofing and Acoustic Materials; Acoustical Foam - Polyurethane
Volume 5 - Issue 1 - 01/18/2010
New PolyPhon Acoustical Panels; Adhesives and Assembly Equipment for Loudspeakers; S-Fan: Hot Swap Active Silencer; 5.7 in. Surface Acoustic Wave Touch Screen Release; Battery-Powered Fiber Optic Microphone; PCB Series Alarms Provide Optimum Audio; Models 765M25 and 765M27 Acoustic Sensors; Piezo Motor Stage / Ultrasonic PiezoMotor
Volume 4 - Issue 12 - 12/21/2009
Complimentary Online Resources with MyCatalog; New Acoustic Imaging System Lens Forms; Overall Acoustic Level; BK Precision 735 Sound Level Meter, Logging; Texas Instrument's TPA6140A2 Class G Audio Amplifier; Noise Reduction and Heat Removal Equipment
Volume 4 - Issue 11 - 11/16/2009
Never Sacrifice Form for Function; MEMS Module; All Optical Communications Earplug; Noise Control Enclosures; Heat Removal and Noise Reduction Cabinets; Certifications
Volume 4 - Issue 10 - 10/19/2009
Reduce Noise and Block Sound; S-Cube Reduces Product Acoustic Noise; Custom Design for Aesthetics to Functionality; APTIV Black Film Delivers in Acoustic Speakers; Virtual.Lab Acoustics; Models 765M25 and 765M27 Acoustic Sensors; Nichicon Audio Capacitors; Custom Sound-proofing and Acoustic Materials
Volume 4 - Issue 9 - 09/21/2009
BK Precision 735 Sound Level Meter, logging; Overall Acoustic Level; Design Meets Noise and Reverberation Control; Intrinsically Safe Communication Earplug; New Series of Acoustic Sensors; Extech 407730 Digital Sound Meter
Volume 4 - Issue 8 - 08/17/2009
The Clear Choice in Sound Diffusion; Models 765M25 and 765M27 Acoustic Sensors; PolySorpt Moisture Resistant Acoustical Panels; National Semiconductor's LM48100Q Amplifier; Industrial Silencers and Sound Attenuators; Noise Reduction and Heat Removal Equipment
Volume 4 - Issue 7 - 07/20/2009
Acoustic Solutions for Industrial Applications; High-temperature Noise Resolved Combining Acoustiblok and Thermablok; Overall Acoustic Level; APTIV - VICTREX PEEK Film Technology Heats Up the Loudspeaker Industry; Virtual.Lab Acoustics; Acoustics Module
Volume 4 - Issue 6 - 06/15/2009
Custom Design for Aesthetics to Functionality; Got an Industrial Noise Problem?; All Optical Communications Earplug; Acoustic Emission; Case Innovation; Series MIN-T Audible and Audible Strobe
Volume 4 - Issue 5 - 05/18/2009
The Art of Diffusion Clarifies Speech; Revolutionary Sound Masking and Paging System; Virtual.Lab Acoustics; Acoustics Module; Texas Instruments AIC3254; Custom Sound-proofing and Acoustic Materials
Volume 4 - Issue 4 - 04/20/2009
Piezo Motor Stage / Ultrasonic PiezoMotor; 5.7 in. Surface Acoustic Wave Touch Screen Release; National Semiconductor LMV1088/89 Audio Amps; Acoustical Curtain Composites; 60 Degree Molded RJ45; Custom-designed Acoustical Enclosures
Volume 4 - Issue 3 - 03/16/2009
Audio Transformers; New 21st Century Sound Diffusers for Critical Listening Environments; Heat Removal and Noise Reduction Cabinets; NaviSound 400 Hydrographic Echosounders; Acoustical Materials - Polyurethane Foam; Audio Power Transformers; National's Audio Solutions; Audio Jacks and Plugs
Volume 4 - Issue 2 - 02/16/2009
Noise Reduction and Heat Removal Equipment; Overall Acoustic Level; ECHO Digital Intercom and Communication Systems; ARIS - Acoustic Resonance Inspection System; High Intensity Acoustic Sensor, Model 2180C; SigQC
Volume 4 - Issue 1 - 01/19/2009
Acoustical Enclosures; AcoustiLock ACL 16 Acoustic Enclosure; 5.7 Surface Acoustic Wave Touch Screen Release; New Series of Acoustic Sensors; Acoustical Foam - Polyurethane; Models 765M25 and 765M27 Acoustic Sensors
Volume 3 - Issue 12 - 12/15/2008
Sonolator - Ultrasonic Homogenizing Device; Industrial Silencers and Sound Attenuators; ((((Noisy Environments?)))); Acoustical Curtain Composites; ExitPoint Directional Sounder with Voice Messaging; Miniature General Purpose Speakers
Volume 3 - Issue 11 - 11/17/2008
New Acoustical Wall Panel for Critical Listening Environments; Streamline Your Design Process with 3D CAD Connector Models; The Noise Police Acoustical Products; ECHO Digital Intercom and Communication Systems; Measurement Microphone Kit; Measurement Microphone Kit
Volume 3 - Issue 10 - 10/20/2008
Power-by-Light Fiber Optic linked Communication Earplug; Audio Transformers 300Hz-100kHz Mil-T-27E; All Weather Panels; Qylite Automotive Acoustic Foam Technology; High Temperature Acoustic Measurement System; ARIS - Acoustic Resonance Inspection System; Overall Acoustic Level; High Intensity Acoustic Sensor, Model 2180C
Volume 3 - Issue 9 - 09/15/2008
Wire and Cable Performance Testing; New Headsets for Optically Powered, Wireless Earplugs; New Acoustical Wall Panel for Critical Listening Environments; Audio Jacks and Plugs; Sound Level Meters; NaviSound 400 Hydrographic Echosounders; Piezo Audio Transducers and Buzzers; Audible Signaling Device - 300GC
Volume 3 - Issue 8 - 08/18/2008
((((Noisy Environments?)))); Wire and Cable Performance Testing; New Headsets for Optically Powered, Wireless Earplugs; National's Audio Solutions; Industrial Silencers and Sound Attenuators; Piezo Electric Buzzers; Acoustical Curtain Composites; AcoustiLock ACL 16 Acoustic Enclosure
Volume 3 - Issue 7 - 07/21/2008
Piezo Motor Stage / Ultrasonic PiezoMotor; Audio Power Transformers; Reliable Acoustic Measurement Products; Silicon Microphone, Surface Mount Microphones; ExitPoint Directional Sounder with Voice Messaging; Speaker Parts
Volume 3 - Issue 6 - 06/16/2008
NaviSound 400 Hydrographic Echosounders; DT-8852 Sound Level Meter; Setra Pressure Transducer Answer for Manufacturer; High Intensity Acoustic Sensor, Model 2180C; Battery-Powered Fiber Optic Microphone; SelecTone Plant Wide Warning and PA Systems
Volume 3 - Issue 5 - 05/19/2008
One 3 mm Layer Reduces More Sound Than 12 in. of Concrete; Acoustical Foam - Polyurethane; Audio Jacks and Plugs; Sound Level Meters; Miniature General Purpose Speakers
Volume 3 - Issue 4 - 04/21/2008
New 21st Century Sound Diffusers for Critical Listening Environments; Introducing Tri MAP's Newest Configuration!; VA One : The ONE Vibro-Acoustic Simulation Software; Piezo Motor Stage / Ultrasonic PiezoMotor; ExitPoint Directional Sounder with Voice Messaging; Speakers; Industrial Silencers and Sound Attenuators; Acoustical Curtain Composites
Volume 3 - Issue 3 - 03/17/2008
Acoustics Simulation Tutorial CD; The Noise Police Acoustical Products; Piezo Electric Buzzers; KSONIK I / II / II Ultrasonic Level Transmitters; Silicon Microphone, Surface Mount Microphones; Fibersound Microphone Drivers
Volume 3 - Issue 2 - 02/18/2008
New 21st Century Sound Diffusers for Critical Listening Environments; Reliable Acoustic Measurement Products; Sound and Noise Measurement Solutions; Condenser Microphone — AMB-O60G38-CC; Audio Unlimited™ 900MHz Wireless Speakers; Speaker Parts; Audio/Video Cable Reel Catalog from Hannay Reels; Audio Power Transformers
Volume 3 - Issue 1 - 01/21/2008
PosiSound Silicon Microphone Productline Introduction by Memstech, Operational TPA, Atmel: Stereo Audio Digital-to-Analog Converter, Acoustical Enclosures, AcoustiLock ACL 16 Acoustic Enclosure, Piezo Audio Transducers and Buzzers
Volume 2 - Issue 12 - 12/17/2007
PosiSound Silicon Microphone Productline Introduction by Memstech; HIGH SPL Speaker; Condenser Microphone; Uamplified Speakers for Intercom Systems; Triad SP Series Audio Transformers; SelecTone® Audible Signaling Device — 300GC
Volume 2 - Issue 11 - 11/19/2007
Fiber Optic Microphone System; APTIV — VICTREX® PEEK™ Film Technology Heats Up the Loudspeaker Industry; Mylar Speakers; Model ITC-6128 HF Test Projector/Hydrophone; SeaBat 8124 Multibeam Hydrographic Sonar; Model 6829 Spherical Transducer; DEWE-3108; Atlona Dual Banana Plug (Speaker Connector)
Volume 2 - Issue 10 - 10/15/2007
2700 Series Dual Domain Audio Analyzer, SAW (Surface Acoustic Wave) Scale, Noise and Vibration Analyzer - OR35, EC 6070 Hydrophone Audio Amplifier, Polyether Foam for Sound Dampening, Flex-Tone Series Audible Products
Volume 2 - Issue 9 - 09/17/2007
Triad SP Series Audio Transformers 300Hz-100kHz Mil-T-27E, se Control Enclosures for Blower Packages, Panel Mount Sounder/Speaker, Software, Design & Analysis, and Product Software, JP005 Series Audio Jack, Cable HDMI M/M, Atlona Dual Banana Plug (Speaker Connector)
Volume 2 - Issue 8 - 08/20/2007
Acoustax Noise Barriers, Simulate your Product's Real-World Acoustic Performance, Speakers, Audio Jacks and Plugs, Fiber Optic Digital Audio Cable, Mylar Speakers, EC 6070 Hydrophone Audio Amplifier
Volume 2 - Issue 7 - 07/16/2007
Battery Powered Fiber Optic Microphone; MemsTech Pushes the Microphone Industry Ahead; Sound Level Meters and Noise Dosimeters; High Intensity Acoustic Testing; PVC Foam Tape; Audio Products and Accessories
Volume 2 - Issue 6 - 06/18/2007
Piezo Transducer; Spherical Transducer; Acoustic Enclosure; Speakers; Automotive Acoustic Foam Technology; Plant Wide Warning and PA Systems
Volume 2 - Issue 5 - 05/21/2007
Piezo Electric Sounders; Providing Noise Control Solutions for Industrial and Architectural Applications; Digital Sound Meter; Microphone; Underwater Transducer; Cost Effective Sound Level Calibrator
Volume 2 - Issue 4 - 04/16/2007
Mylar Speakers; Pollution Noise Control; Sound Level Meter and Data Logger; SAW (Surface Acoustic Wave) Scale; Polyether Foam for Sound Dampening; Battery Module Dry Cell
Volume 2 - Issue 3 - 03/19/2007
Psychoacoustic Models; Acoustics Transducers; Piezo Audio Transducers and Buzzers; Soundproof Curtains; Sound Power; Shielded Low Leakage Speakers
Volume 2 - Issue 2 - 02/19/2007
Piezo Buzzer; Wall and Ceiling Liner; Audio Jack; Acoustic Foam Wedges; Custom Speakers; Indoor Controller
Volume 2 - Issue 1 - 01/15/2007
Mylar Speakers; Acoustic Pressure Sensors; Acoustic Emission Transducers; Exterior Acoustical Absorber; Acoustic Sensors; High Power Transducer
Volume 1 - Issue 1 - 12/18/2006
Foam for Sound Absorption; Small Series Linear Amplifiers; Acoustical Foam; Audio Jacks and Plugs; Shorter Design Cycles; Electromotive Receiver