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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
July 21, 2008 - Volume 3 Issue 7
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Acoustic Cloaking Materializes

Acoustic Cloaking Materializes Expanding on previous work, Spanish researchers have proven through their calculations that metamaterials can be designed to redirect sound waves around an object, effectively making an acoustic cloak possible. These materials — fabricated from sonic crystals — could be implemented in a multilayered structure to divert sound. Results from numerous simulations confirmed their theory: about 200 metamaterial layers yields optimal cloaking performance over a broad wavelength range. [New Journal of Physics.]

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Spotlight On . . .
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Piezo Motor Stage / Ultrasonic PiezoMotor
PI (Physik Instrumente) L.P.

Piezo Motor Stage / Ultrasonic PiezoMotor The M-663 Piline™ miniature piezo motor stage is the smallest closed-loop ultrasonic linear piezomotor-driven translation stage with integrated high-precision linear encoder (100 nanometer resolution). It combines the advantages of piezo-motor drives with PI precision micro mechanics.

Learn more about PI (Physik Instrumente) L.P.

Audio Power Transformers
Powertronix Corp.

Audio Power Transformers Audio Power transformers are used in audio amplifiers, keyboards, mixing consoles, recorders, speakers, broadcast equipment, transmitters, receivers, and video monitors. POWERTRONIX Audio Power Transformers are designed and made for ultra-low noise and ultra-low output impedance.

Speakers & Amplifiers . . .
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Coming Soon: Thought-Control Headsets

Coming Soon: Thought-Control Headsets If you've been searching for the ultimate human machine interface, you won't have to wait much longer. Later this year the Emotiv EPOC™ headset is scheduled to debut. Described as a brain-computer interface based on electroencephalography (EEG), the device wirelessly empowers the user to input game-playing moves via emotions, expressions, and thought. A bundled software program let's the user adapt it to non-game applications.

"Smart" CCTVs Get Ears

'Smart' CCTVs Get Ears Outfitting CCTVs with microphones and artificial intelligence allows them to not only see, but also "hear." Researchers at the University of Portsmouth have come up with artificial intelligence software that can learn and even recognize individual words. When the systems pick up violence-related noises, the camera rotates in that direction in about 300 msec, recording the event. Criminals beware!

Acoustic Materials . . .
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Electroactive Polymers Empower
Tactile Devices

Electroactive Polymers Empower Tactile Devices Made of an electroactive polymer that stimulates skin, a soft and flexible display technology could empower the visually challenged to better communicate. Elsewhere, the band-aid-sized breakthrough also holds promise for such potential applications as tele-surgical gloves, tactile display cloths, and virtual-reality keyboards. While most current computer info is gleaned via visual and audio means, this one addresses touch, the human body's largest sense.

The Challenge of Living Sensor Materials

The Challenge of Living Sensor Materials Materials for these millimeter-sized sensors are certainly unique — they're actually living biological cells. Researchers are harnessing the sensory functionality of different types of cells to detect bacteria, chemical/biological pathogens, explosives, and more. Live olfactory cells, for instance, could be grown on microchips to "smell" explosives. In the photo, yeast cells are being manipulated on a microchip with an accuracy of 1 µm or 1/1000th mm.

Accent On . . .
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Reliable Acoustic Measurement Products

PCB Piezotronics Inc.

Reliable Acoustic Measurement Products PCB® offers a full line of prepolarized ICP® and externally polarized (200V); Type 1 condenser and cost-effective array; low-profile surface; high frequency (to 20k Hz); high temperature and TEDS compatible microphones, as well as a full line of preamplifiers and power supplies. Learn more.

Silicon Microphone, Surface Mount Microphones
Memstech

Silicon Microphone, Surface Mount Microphones This silicon microphone is the product of a patented process flow which combines ease of manufacture with robustness, while meeting the arduous requirements of acoustic devices. This Integrated Silicon Microphone is the next generation of audio sensor technology made possible by advanced MEMS expertise.

Signal Measurement & Processing . . .
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Measuring RFID Tags by the Hundreds

Measuring RFID Tags by the Hundreds Able to detect hundreds of radio frequency identification (RFID) tags simultaneously, a new test system permits measuring the signal strengths of multiple tags and tags hidden behind others. Fast testing of multiple antenna configurations is also empowered with no need to fabricate new tags for experiments. Utilizing a receiver, transmitter, and emulator, the system employs spread-spectrum signals.

Don't Reinvent the (DSP) Wheel, Modify It

Don't Reinvent the (DSP) Wheel, Modify It Why reinvent the wheel when you can work from a hybrid development board/reference design? A DSP reference design from Silica is based on Blackfin with an I/O interface set. Recommended for industrial and instrumentation applications, Firecracker's baseboard includes a Blackfin processor on a core module with external SDRAM/flash memory plus power management. WLAN, CAN, and Zigbee connectivity along with analog audio and composite video I/O is built in.

Mobile Telecommunications . . .
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Implementing Near-Field SoC Solutions

Implementing Near-Field SoC Solutions The success of near field communications of RFID fame has already been demonstrated via Bluetooth/FM integration in mobile phones. To progress further — i.e., into laptops, point-of-sale terminals, smart posters/business cards, ticket machines, and other consumer electronic devices — factors like "power usage, silicon area, and memory need to be optimized" in SoC (system-on-a-chip) circuitry, says David Woolen, Innovision Research and Technology's CEO. [A short registration may be required.]

Suppress Moving Noise in Handsets

Suppress Moving Noise in Handsets Reducing non-stationary background noise in handsets is a boon to both customers and wireless carriers. Users are no longer limited as to where they can talk. For instance, noisy urban streets, crowded restaurants, and public events present no problem, and carriers save significantly, experiencing lower customer turnover and higher airtime usage. This EE Times Asia article outlines what's needed technology-wise to reduce this noise in a nine-step scenario.

Focus On . . .
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ExitPoint Directional Sounder with Voice Messaging
System Sensor

ExitPoint Directional Sounder with Voice Messaging The ExitPoint directional sounder model PF24V has an integral audio amplifier that produces a pulsating sound consisting of broadband low, mid, and high range sounds. The broadband noise makes it possible to determine the location of the sound.

Learn more about System Sensor.

Speaker Parts

Ningbo Newland E&M International Co., Ltd.

Speaker Parts Big punch machines and forge machines in our assembly factory can make different tweet parts or U-shape metal parts which are commonly used in speakers. In our factory, we can assemble magnets with these T or U shape metal parts. Most of our speaker parts are compounds of sintered Ndfeb magnets.

Careers & Commentary . . .
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DSP Tutorials Are One Click Away

DSP Tutorials Are One Click Away If you're involved with digital signal processing or just want to learn about it, this list compiles the top 2008 "how to" articles on the subject, courtesy of DSP DesignLine. Just a partial list of subjects includes: the basics of ADCs/DACs, multirate DSP, spectral analysis, modulation basics, video compression, and DSP system design. Practically all of the tutorials consist of multiple installments, so just click on the one in which you're interested.

Diversions . . .

Brainy Monkeys Control with Thought

Brainy Monkeys Control with Thought Utilizing biofeedback, a monkey controls a robotic arm to feed using only thoughts. The goal, say researchers, is to help develop prosthetics for people who have "locked in" conditions (Lou Gehrig's disease) and spinal-cord injuries. The monkey at first observes, and then learns how to manipulate the arm (video). In action, software picks up signals from probes then translates them into control functions. Shortly thereafter, the monkey regards the robotic arm as an instrinsic body part.

Share Your Thoughts . . .

Join a Conversation About This Month's Topic...

Join a Conversation About This Month's Topic... Your Brain for the Ultimate Computer Input?

Scheduled to debut later this year, a headset is reported to control a program via brain waves through multiple sensory inputs. Do you think it will really perform to expectations?


Join the discussion...


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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