All items tagged with Audio Precision (88)

audioXpress March 2019 Is Now Available. Time for Audio Test and Measurements!

February 11, 2019 by audioXpress Staff

audioXpress March 2019 Is Now Available. Time for Audio Test and Measurements!

Get to the bench, it's Test and Measurement time. In this edition, you will find a Market Update with the latest audio measurement solutions available to the audio industry. Stuart Yaniger reviews the new Earphone Audio Response System from miniDSP, Joe Begin explains how to measure speech intelligibility, and Jonathan Novick details how to use external attenuators for measurements. Geoff Hill discusses why total system efficiency should be the target in loudspeaker design, and Dimitri Danyuk explores a discrete high output current buffer with JFET input.

Audio Precision Releases APx Software Version 5.0 Adding Transfer Function Measurement, Cross-Spectral Analysis Of Arbitrary, Broadband Signals

December 20, 2018 by audioXpress Staff

Audio Precision Releases APx Software Version 5.0 Adding Transfer Function Measurement, Cross-Spectral Analysis Of Arbitrary, Broadband Signals

With the announcement of its brand new APx555 B Series two-channel audio analyzer, Audio Precision also unveiled the updated version 5.0 of its APx audio measurement software. With this release, AP has added the ability to measure the transfer function of electronic audio and electroacoustic devices using any broadband signal. Release 5.0 also enables electronic activation of software option licenses, eliminating the iButton requirement for such options with earlier versions of APx audio measurement software.

Audio Precision Introduces B Series APx Analyzers with Improved Specs and Capabilities

December 19, 2018 by audioXpress Staff

Audio Precision Introduces B Series APx Analyzers with Improved Specs and Capabilities

Audio Precision announced the introduction of the APx555 B Series two-channel audio analyzer. The B Series APx analyzers are the successor platform to Audio Precision’s original, or Legacy, APx platform. The second-generation APx555 offers improved sine generator frequency stability, lower system residual distortion, single-ended, balanced analog output and an optional ADC test mode which provides VBias, a common mode DC Bias.

Audio Precision to Expand Audio Measurement Possibilities at 145th International AES Convention

September 12, 2018 by audioXpress Staff

Audio Precision to Expand Audio Measurement Possibilities at 145th International AES Convention

Audio Precision confirmed its planned contributions to the 145th International AES Convention happening in New York. AP’s participation in this key industry event includes both the technical program and the exhibition. The company will present a paper on how to measure audio when clocks differ and will conduct demonstration on open-loop testing. AES attendees can check out the latest in audio test or discuss their specific application with the AP team in Demo Suite #1E01.

Audio Precision Mourns the Passing of Co-Founder Bob Metzler

August 23, 2018 by audioXpress Staff

Audio Precision Mourns the Passing of Co-Founder Bob Metzler

Audio Precision is mourning the loss of co-founder, and former president, Bob Metzler. Along with Dr. Richard Cabot, Bruce Hofer and Robert Wright, Bob founded Audio Precision in 1984 and served as the organization’s president until his retirement in 1999. A prolific author and gifted speaker, for many in the industry, Metzler was seen as the “face” of the famous audio test and measurement company, based in Beaverton, Oregon.

ALMA International Announces Speaker Builders Workshop for AISE2019

July 31, 2018 by audioXpress Staff

ALMA International Announces Speaker Builders Workshop for AISE2019

As announced during the latest ALMA International Symposium & Expo 2018 (AISE), the Association of Loudspeaker Manufacturing and Acoustics (ALMA) International is moving its annual event to InfoComm in 2019, scheduled for 9-10 June in Orlando, Florida. ALMA is now pleased to announce a key education track for the upcoming AISE2019 (ALMA International Symposium & Expo) focusing on speaker building. More education initiatives and the full program of conferences, panels and tutorials, will be confirmed soon.

Fresh From the Bench: Audio Precision AECM206 Headphone Test Fixture

July 3, 2018 by Stuart Yaniger

Fresh From the Bench: Audio Precision AECM206 Headphone Test Fixture

For engineers developing and evaluating headphones, Audio Precision (AP) released this new headphone test solution, a competitively priced IEC 60318-4-compliant accessory that simplifies earbud and headphone measurements in both lab and production environments. Stuart Yaniger puts the AECM206 unit to the test. This article was originally published in audioXpress, April 2018.

Audio Precision Announces APx Audio Software v4.6 with Chirp-Based Measurements for Smart Device Testing

May 24, 2018 by Joao Martins

Audio Precision Announces APx Audio Software v4.6 with Chirp-Based Measurements for Smart Device Testing

Audio Precision announced the release of APx audio measurement software version 4.6, with a first public demonstration planned for the 144th International AES Convention in Milan. 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, an enhancement ideally suited to the test and evaluation of smart devices (e.g., smart speakers, smartphones).

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

April 26, 2018 by audioXpress Staff

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

Audio Precision previewed its planned contributions to the 144th International AES Convention, Milan, Italy, May 23–26 at the NH Hotel Milano Congress Centre. Themed “The Power of Sound,” AES Milan will bring together audio professionals and advanced audio technologies from around the world for four days of audio immersion, experiences and networking. Audio Precision will promote three presentations, discussing smart speaker testing, speech intelligibility, and chirp-based measurements.

Audio Precision Adds Speech Intelligibility Measurement Option for APx500 Audio Test Software

March 28, 2018 by audioXpress Staff

Audio Precision Adds Speech Intelligibility Measurement Option for APx500 Audio Test Software

Audio Precision announced the addition of a new speech intelligibility measurement option for APx500 audio test software based upon the ABC-MRT speech processing algorithm. The new ABC-MRT option provides an objective measure of speech intelligibility following the paradigm of the Modified Rhyme Test, offering an important capability for designing and validating a wide range of communication systems, products and components, especially those related to public safety.

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