Technical News

Workshop: Optimizing Performance / Cost Ratio of Audio Devices through Efficient End‐of‐Line Testing

KLIPPEL ANALYZER SYSTEM – Focus on QC Application November 12th – 13th, 2018 (Dresden, Germany)   For the preparation of this Workshop, we contacted multiple manufacturers of audio systems (e.g. car manufacturers) and supplier of transducers. We got valuable feedback and would like to share those discussions with the audience during the seminar. See the full …

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How to Listen 101: Q&A with HARMAN’s Audio Guru, Dr. Sean Olive

October 03, 2018 AKG Corporate Lifestyle Audio Professional SolutionsBranded Audio Studies show that listening to music can elevate your mood, reduce stress, ease pain, fend off depression, and even improve post-surgery outcomes. So if you are looking for a simple way to uplift your mood on any given day – just sit back, listen and cue the music. As a company with an umbrella of …

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SoundCheck 16.1 Released – New Frequency Trigger for Open Loop Testing

October 4, 2018. Listen is excited to announce the release of SoundCheck 16.1. This minor release, which contains some exciting new features, is available free of charge to all registered users of SoundCheck 16.0 Most significant is the inclusion of a new frequency trigger. This allows frequency-based triggering of acquisition from an external source using a …

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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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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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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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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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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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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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Advances in Tinsel Wire For Micro Speakers and Larger Drivers

Maeden has created over a thousand types of tinsel leads for speakers.  Tinsel is a critical part of the speaker, from micro speaker to worlds biggest subwoofer. There are many ways of connection from terminal to voice coil, from free air, or from the spider or through the bridge. No matter how you connect to …

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Audio Engineering As Consumer Content: What Was Once Only Behind The Scenes Can Influence Consumers 

Audio manufacturers often make large investments in engineering staff and professional test equipment for design and validation. The audio enthusiast community has taken an increasingly keen interest in the kinds of audio measurements performed by these engineers in their labs. As a result, many enthusiasts are building homegrown measurement systems and posting their audio measurements …

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