All items tagged with acoustic measurements (41)

Tribute to An Industry Pioneer: Gunnar Rasmussen (1925-2024)

April 19, 2024 by audioXpress Staff

Tribute to An Industry Pioneer: Gunnar Rasmussen (1925-2024)

The founder of GRAS Sound & Vibration, the renowned acoustical engineer Gunnar Rasmussen, passed away on April 17, 2024. Gunnar Rasmussen founded GRAS in 1994, at the age of 67, after leaving Brüel & Kjær, where he worked since his graduation. Starting out as a small family business, run by Gunnar Rasmussen and his wife Hanna Hertz, the Danish measurement microphones specialist quickly grew into a respected manufacturer, lead by his extraordinary vision and guiding principles. His lifework improved our understanding of sound, acoustics and the human hearing.

Norsonic Announces New Nor283 Dodecahedron Loudspeaker

April 3, 2024 by Joao Martins

Norsonic Announces New Nor283 Dodecahedron Loudspeaker

Norsonic unveiled a follow-up to its longstanding Nor276 dodecahedron loudspeaker, with a new small, lightweight, yet powerful and rugged design, engineered for the most demanding field and laboratory applications. The new Nor283 supersedes all previous Norsonic models, being able to deliver impressive sound power level at low frequencies for its size. The output level when powered by the battery-operated power amplifier Nor282 is an impressive 123dB LW.

IK Multimedia Releases ARC Studio Hardware and ARC 4 Software

February 22, 2024 by audioXpress Staff

IK Multimedia Releases ARC Studio Hardware and ARC 4 Software

IK Multimedia released ARC Studio, a new out-of-the-box hardware acoustic room correction system that instantly upgrades traditional studio monitors with breathtaking results. The new solution combined a breakthrough processor bundled with the company's ARC MEMS microphone and new ARC 4 software, allowing users to calibrate studio monitoring systems and maintain the optimized response without the software.

October 17, 2023 by Joao Martins

GRAS Releases New Production Line Measurement Microphone with EQset Technology

GRAS Sound & Vibration, announced the new GRAS EQ 40PM-1 microphone. This new miniature microphone joins the already successful family of GRAS measurement microphones with EQset technology, lowering the cost of precision in production line acoustic measurements. GRAS EQset technology essentially guarantees fixed sensitivity and a flat response curve across all frequencies, out of the box, vastly reducing the risk of measurement errors. The GRAS EQ 40PM-1 with EQset is an upgraded version of the EQ 40PM, the first in the EQset line.

Product Development, Speakers, and Acoustic Analysis in audioXpress September 2023

August 11, 2023 by audioXpress Staff

Product Development, Speakers, and Acoustic Analysis in audioXpress September 2023

audioXpress September 2023 is a rich issue in the amount of audio topics explored and depth of analysis. Learn about the latest sound meters and acoustical simulation tools, what immersive audio really is, and what is possible with the development kits for true wireless earbuds from Knowles. Roger Shively does a full analysis of the Dinaburg C2S Concentric Coplanar Stabilizer speaker technology, Charlie Laub explains how to build a Minimally Baffled Dipole Loudspeaker, and Gary Gesellchen reveals viable bass reflex speaker designs.

NTi Audio Co-Founder and CEO Philipp Schwizer Retires

April 27, 2023 by audioXpress Staff

NTi Audio Co-Founder and CEO Philipp Schwizer Retires

NTi Audio has announced the retirement of its long-serving CEO, Philipp Schwizer, effective April 30, 2023. After a successful period of over two decades, Schwizer has decided to step down from his role and enjoy a well-deserved retirement. Philipp Schwizer founded NTi Audio in 2000, through a management buyout of the Audio Measurement Division of Neutrik AG. After nine years of operation NTI AG changed its name to NTi Audio AG (New Technologies in Audio).

Warkwyn Adds CESVA’s Acoustic Instrumentation to Its Lineup

April 7, 2023 by audioXpress Staff

Warkwyn Adds CESVA’s Acoustic Instrumentation to Its Lineup

Loudspeaker engineering consulting firm Warkwyn is now offering the complete lineup of acoustic and electroacoustic instrumentation from CESVA in the US. The Barcelona-based company offers a complete line of sound level meters and spectral analyzers for advanced measurements, amplifiers and instrumentation for measuring and assessing sound insulation, long term and permanent noise monitoring solutions, as well as logger-limiters.

Test Chambers for Accurate and Repeatable Measurements: The New Normal Even for Unique Projects

March 23, 2023 by Geoff Hill

Test Chambers for Accurate and Repeatable Measurements: The New Normal Even for Unique Projects

Hill Acoustics was approached by a company with an interesting problem. To accurately acquire measurements from a prototype that had an array of microphones to detect music coming from various angles of incidence and needed to operate over the full audio frequency range. Having seen Hill Acoustics' Tetrahedral Test Chambers and the results they could deliver, could Hill Acoustics help with this challenge?

Rational Acoustics Announces Substantially Updated Smaart v9 Software

September 26, 2022 by audioXpress Staff

Rational Acoustics Announces Substantially Updated Smaart v9 Software

Rational Acoustics announced the next major release version of Smaart (System Measurement Acoustic Analysis Real-time Tool), with many important new features. Smaart v9 will introduce a fundamentally revised software 64-bit code base, which unifies all editions to a common foundation and coherent interface: Smaart Suite v9, Smaart RT (Real-Time Edition), Smaart LE (Light Edition), and Smaart SPL (SPL Edition). The widely used acoustic test & measurement software platform, will be released on Tuesday, September 27, 2022.

Closer to Home. audioXpress October 2022 Is Now Available

September 9, 2022 by audioXpress Staff

Closer to Home. audioXpress October 2022 Is Now Available

There's a lot of everything in audioXpress October 2022. Starting with a market update on audio for Residential Integration. Next, Jonny McClintock shares The Story of aptX, Gary Galo reviews Sumiko phono cartridges and new 78 rpm stylus, Richard Honeycutt explains RT Measurement, Frans de Wit tackles the design of a DC Power Supply, Ken Bird builds a pair of tower speakers with Oaktron drivers manufactured in the US, and Christopher Paul writes about Triode Common Cathode Stages and its controversies.

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