Technical News

Simulate room reverberation with 3PASS reverb

HEAD acoustics launches world´s first acoustic environment for realistic measurements Users of mobile phones, voice-operated smart home devices or hands-free terminals have to deal with different background noises and room reverberation that impair their user experience. Therefore, realistic performance tests of communication devices do not only need to consider background noise but also reverberation. HEAD …

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Celestion TECHNEWS January 2019

CELESTION CDX14-3040 NEODYMIUM MAGNET COMPRESSION DRIVER Celestion’s new CDX14-3040 neodymium magnet compression driver is a perfect example of our commitment to continual refinement. It stands on the shoulders of industry giants; based on a traditional design approach to deliver a high quality HF response with a familiar sonic character. It offers several performance advantages over …

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ALMA International Press Release

Press Release January 16, 2019 Maricopa, Arizona USA ALMA International (Association of Loudspeaker Manufacturing and Acoustics), owner of AISE (ALMA International Symposium & Expo), has entered into a co-location agreement with AVIXA (the Audiovisual and Integrated Experience Association), owner of InfoComm. The two organizations offer content for the audio industry, but in complimentary ways that …

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Join the 2019 KLIPPEL Lecture! Sound Quality of Audio Systems Modeling, Measurement & Control From 11th to 13th March 2019 Prof. Wolfgang Klippel will be presenting his annual lecture of “Sound Quality of Audio Systems” at the Technical University in Dresden, Germany! Join other engineers from around the globe and learn about the latest insights on the measurement and …

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Listen, Inc.’s West Coast Training Extravaganza! Feb 4th- 8th,2019

Listen is excited to announce its biggest ever training event on the West Coast the week of Feb 4th– 8th (Chinese New Year week) with 5 full days of training events. Monday: Electroacoustics training with Chris Struck. This one-day course covers the fundamentals of electroacoustics and is ideal for anyone new to the industry or who wants …

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PCB Piezotronics, Inc. Launches Subminiature ICP Pressure Sensor Dynamic pressure measurement for the smallest spaces December 18, 2018 DEPEW, NY –  PCB Piezotronics, Inc., a wholly owned subsidiary of MTS Systems Corporation (NASDAQ: MTSC), has released its smallest ICP piezoelectric, pressure sensor with integral lead wires. The Model 105C pressure sensor is as robust as PCB’s larger …

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News from NTI

Smart Measurements for Smart Devices     Smart devices is a booming market and the number of devices available is growing rapidly. The market is wide open, and competition is fierce. As a manufacturer of smart devices, one way to stay ahead of the game is to run tests to ensure the quality of the acoustic …

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HQS-Audio: Testing loudspeakers, headphones and audio systems in vehicles comprehensively and in a targeted manner

Database for the analysis system ACQUA provides whole set of electroacoustic measurements HEAD acoustics, one of the world’s leading companies in the field of voice and audio quality optimization, introduces HQS-Audio onto the market. The new database for the analysis system ACQUA helps to comprehensively test the quality of audio devices. Whether loudspeakers, headphones or …

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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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Tariff Troubles

By Barry Vogel- Executive Director ALMA International The economy is humming and many in the United States are feeling encouraged by lower unemployment rates and wages finally climbing. The overall economy is growing at a stable rate. All is well…. Right? In an effort to end what is by many accounts an unbalanced and restrictive …

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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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