Barry Vogel

How Do You Measure Audio When Clocks Differ? And How is “Open-Loop” Testing Done with APx?

These questions, and more, to be answered via Audio Precision papers, presentations and demos during AES New York BEAVERTON, OREGON, September 10, 2018: Audio Precision previewed today its planned contributions to the 145th International AES Convention happening next month in New York. AP’s participation in this key industry event includes both the technical program and the exhibition. …

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PCB Piezotronics Inc. Launches Very High Temperature, Intrinsically Safe Triaxial Charge Accelerometer

Designed for Automotive, Energy and Aerospace & Defense High-Temperature Environments September 5, 2018 DEPEW, NY – -PCB Piezotronics, Inc. announces the release of a triaxial charge accelerometer designed for use in environments with ambient temperatures up to 900 °F/482 °C. Model EX356A73 is certified as intrinsically safe through the ATEX, CSA and IECEx programs. It is ideal for use …

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Hernon Manufacturing Inc.® Named on Top 100 Companies List

SANFORD, FLA. (PRWEB) AUGUST 21, 2018 Hernon Manufacturing Inc.®, innovator of high performance sealants, adhesives and associated dispensing and curing equipment, was recently granted a coveted spot on the Orlando Sentinel’s list of the Top 100 best workplaces in Central Florida. The Orlando Sentinel’s Top 100 program recognizes companies throughout Central Florida that are committed to …

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ACQUA 4: New release of the voice and audio quality analysis software

PRESS RELEASE 22. August, 2018 HEAD acoustics has launched a new version of ACQUA (Advanced Communication Quality Analysis), the powerful software for voice and audio quality testing. With version 4, ACQUA supports the hardware platform labCORE und thus includes a multi-channel signal generator and a multi-channel analyzer for testing all equipment in the field of …

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Loudspeaker Components Announces the Acquisition of C.P. Moyen Company

Loudspeaker Components, LLC  “ Loudspeaker Components” is pleased to announce the purchase of C.P. Moyen Company “C.P. Moyen”  assets prior to the retirement of CP Moyen long-time owners.   C.P. Moyen will cease chemical manufacturing operations in Skokie, Illinois, USA on October 1, 2018.  Manufacturing operations will resume at Loudspeaker Components’ facility in Lancaster, Wisconsin, USA …

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HEAD acoustics at the Mobile World Congress, Los Angeles

PRESS RELEASE From September 12th to 14th, 2018 the mobile communication community will once again meet in Los Angeles for this year´s Mobile World Congress Americas. HEAD acoustics, one of the world´s leading companies in the production of powerful software and hardware for optimizing voice and audio quality is also on-site. At the HEAD acoustics …

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Loudspeaker Analysis with COMSOL® in 18 Minutes Webinar

Join us for this webinar to learn the basics of loudspeaker analysis in the COMSOL Multiphysics® software. In this presentation, we will discuss how to set up boundary conditions; calculate the near field and far field; and postprocess the results of a loudspeaker simulation with dedicated tools, such as with a Directivity plot. We will …

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PCB Piezotronics Inc. Launches USB Digital Accelerometer

Designed to Provide High-Quality Vibration Measurements Directly from a PC, Smartphone or Tablet July 27, 2018 DEPEW, NY – PCB Piezotronics, Inc. announces the release of a USB digital accelerometer designed for use in predictive maintenance and condition monitoring applications. Model 633A01 is a high-resolution, broad-frequency piezoelectric accelerometer with integrated internal digital data processing for USB plug-and-play capability as well as …

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Stetron announces the development of a new 57mm 520hz low frequency driver for UL217 applications

Buffalo, NY, Friday August 3, 2018 : Stetron is pleased to announce the development of a new miniature loudspeaker designed especially for the Fire Alarm and Protection Industry. This driver is suitable for use in products intended to be compliant to UL217. This low profile driver has a small foot print of 57 mm and …

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ALMA Announces Speaker Builders Track at AISE2019

  Press Release Phoenix, Arizona, USA 30 July 2018 The Association of Loudspeaker Manufacturing and Acoustics (ALMA) International is pleased to announce a key education track for the upcoming AISE2019 (ALMA International Symposium & Expo) scheduled for 9-10 June 2019 in Orlando, Florida. Our Speaker Builders Workshop will follow the development of a loudspeaker from …

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Application Note: Loudspeaker Electroacoustic Measurements

Introduction In this application note we provide an overview of the key electroacoustic measurements used to characterize the performance of loudspeaker drive units and loudspeaker systems. We focus on the most important objective measurements and refer to industry standards for guidance. Compared to electronic audio test, measuring loudspeakers is complicated. First, to measure sound levels …

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AVIXA A102.01:2017 (Formerly ANSI/INFOCOMM A102.01:2017) Audio Coverage Uniformity in Listener Areas

AVIXA is seeking industry comment on proposed standards. All comments welcome! ICS: 33.160.01 This Standard has been re-published to replace the InfoComm International® name with the association’s new name, AVIXA™ (Audiovisual and Integrated Experience Association), but all content remains the same. Abstract This Standard provides a procedure to measure and classify the uniformity of early arriving …

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A View of the Loudspeaker Industry

As Seen by Members of ALMA International’s Board of Directors, Executive Committee, and Executive Director Reprinted with permission from Loudspeaker Industry Source book 2018 Several members of the Association of Loudspeaker Manufacturing and Acoustics (ALMA) International to a moment to share their thoughts on the current state of the loudspeaker industry. Read the full article here

New Microphone for Measurements in Hazardous Areas

June 5, 2018, Depew, NY – PCB Piezotronics, Inc. released a prepolarized condenser microphone system – Model EX378B02 – for use in hazardous areas. The new microphone system is compliant with explosive atmospheres and gaseous hazardous environments where standard microphones are restricted. Additionally, EX378B02 is compliant with intrinsic safety protection levels for all above ground applications globally; …

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VoCAS: New version extends the possibilities for the evaluation of voice control systems

HEAD acoustics has launched a new version of VoCAS (Voice Control Analysis System), the efficient software for evaluating voice control systems. The turnkey test solution now supports the modular multi-channel labCORE front end of the technology manufacturer from Herzogenrath. Thus, VoCAS offers manufacturers even more possibilities to test their ASR system (Automatic Speech Recognition) in …

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AUDIO PRECISION RELEASE ENHANCES CHIRP-BASED MEASUREMENTS

BEAVERTON, OREGON, May 22, 2018: Audio Precision announced today the upcoming release of APx audio measurement software version 4.6, with planned demonstrations at the 144th International AES Convention. Included in this latest edition of the popular test software will be the ability to perform measurements using the log-swept sine chirp—such as acoustic response—in an open-loop configuration, …

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Audio Precision Engineers Contribute to “The Power of Sound,” Deliver Trio of Presentations at AES-Milan

Topics include discussions on smart speaker testing, speech intelligibility, and chirp-based measurements BEAVERTON, OREGON, April 25, 2018: Audio Precision, a recognized standard in audio test, previewed today its planned contributions to the 144th International AES Convention next month in Italy. Themed “The Power of Sound,” AES Milan will bring together audio professionals and advanced audio technologies from …

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Audio Precision Adds Speech Intelligibility Depth

New ABC-MRT option provides an objective measure of speech intelligibility following the paradigm of the Modified Rhyme Test BEAVERTON, OREGON, March 27, 2018: Audio Precision announced today the addition of a new speech intelligibility measurement option for APx500 audio test software based upon the ABC-MRT speech processing algorithm. Measuring speech intelligibility is an important capability for engineers …

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Successful Measurement of Dynamic Force, Pressure and Acceleration

A short course for test personnel and their managers; design and analysis staff who use test measurements for model, component and full-scale system verification; and more generally anyone whose work depends on the output from force, pressure, and acceleration measuring systems to support either test and analysis or control applications. This training has established a …

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Audio Precision Expands Microphone Product Family

Offers convenience and flexibility via phantom-powered preamplifier compatible with ½” and ¼” prepolarized microphone cartridges BEAVERTON, OREGON, March 13, 2018: Audio Precision, the recognized standard in audio test, today announced the expansion of its line of measurement microphones with the introduction of the 376M03, a calibrated microphone system combining a ½” microphone cartridge with a phantom-powered preamplifier …

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HEAD acoustics runs complimentary voice quality web seminars

HEAD acoustics is proud to open enrollment for our new series of complimentary educational voice quality web based seminars. These one hour sessions are designed to provide short but focused information on voice quality topics that are normally not taught in college level classes. Anyone interested in learning more about the fundamentals of voice quality …

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PCB Holds Acoustics Webinars

Join us for one of our highly informative FREE webinars, taught by PCB’s own Acoutics Experts. From “Sound Power Basics” to “Advanced Acoustics Concepts” we have a webinar for every level. See the full details and dates here!