Technical News

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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