All items tagged with head and torso simulator (10)

Electrostatic Loudspeakers and Two Cutting-Edge High-End Tweeters in Voice Coil June 2023

May 31, 2023 by audioXpress Staff

Electrostatic Loudspeakers and Two Cutting-Edge High-End Tweeters in Voice Coil June 2023

Voice Coil June 2023 features an extensive patent review in James Croft's Acoustic Patents column. The topic is a 2014 patent awarded to Nokia, offering an opportunity to revisit the history of electrostatic loudspeakers, with insights from Tim Mellow, one of the two listed inventors. In Test Bench, Vance Dickason focuses on the D8404-552000 Ellipticor cloth diaphragm dome midrange from Scan-Speak, and characterizes the SB Acoustics TW29BNWG beryllium dome and waveguide from the brand's prestigious Satori line.

HEAD acoustics Introduces ViBRIDGE Holistic In-Ear Headset Testing Solution

February 14, 2023 by Joao Martins

HEAD acoustics Introduces ViBRIDGE Holistic In-Ear Headset Testing Solution

As many audioXpress readers already learned from reading the article by Hans W. Gierlich on the Benefits of Using Structure-Borne Sound in Headset Signal Processing, HEAD acoustics created a complete test solution for in-ear and headset devices using bone-conduction sensors. There are good reasons for developers and manufacturers to explore the use of bone-conduction sensors and test them with the new ViBRIDGE solution.

Practical Test & Measurement: The Benefits of Using Structure-Borne Sound in Headset Signal Processing

January 18, 2023 by Hans W. Gierlich

Practical Test & Measurement: The Benefits of Using Structure-Borne Sound in Headset Signal Processing

This article looks at the practical test and measurement of bone conduction technology, as used in product development for headsets and in-ear devices. It showcases new possibilities for manufacturers to better evaluate device performance, since no appropriate test equipment and methods were commercially available until now. The approach, complements a Head-and-Torso Simulator (HATS) with an actuator capable of generating structure-borne sound in the artificial ear. This way, a realistic simulation of the human structure-borne voice signal for in-ear headsets is possible.. This article was originally published in audioXpress, January 2023.

July 1, 2022 by Joao Martins

AHead Simulations Releases Audio CARL Manikin for Hearing Healthcare

AHead Simulations, a young company from Canada, released CARL, an advanced universal, multi-functional head manikin designed for a wide variety of tasks within hearing healthcare including training, research, and product demonstrations. Following years of research, validation, and multiple iterations, AHead Simulations arrived to its current Audio CARL manikin, made directly from patient scans, with easily replaceable realistic soft ears.

GRAS Adds TEDS Functionality to Couplers, Ear Simulators, and Head and Torso Systems

June 28, 2022 by audioXpress Staff

GRAS Adds TEDS Functionality to Couplers, Ear Simulators, and Head and Torso Systems

GRAS Sound & Vibration, now part of Axiometrix Solutions, has confirmed that all its ear simulator test platforms now include Transducer Electronic Data Sheet (TEDS) calibration functionality. GRAS, together with sister company Audio Precision, has long focused on incorporating TEDS in all systems to ensure reliable data and to ease all aspects of installation and test platform setup.

September 16, 2021 by audioXpress Staff

Hottinger Bruel & Kjaer Electroacoustics Virtual Conference Takes Place September 28 - 29

Registration is now open for the upcoming Electroacoustic Virtual Conference, an event promoted by Hottinger Bruel & Kjaer (HBK), which this year will be fully online and offers an exciting two-day program. The Electroacoustic Conference will offer presentations from experts in all areas related with sound, noise, acoustics and vibration, with more than 21 presentations already scheduled. Sessions include presentations from companies such as Head-Fi, XMEMS Micro Speakers, Comsol, Embody VR, Vibrations Inc., Harman International and more.

Anatomically Correct Artificial Ear by HEAD acoustics Achieves ITU-T Standardization

June 17, 2021 by audioXpress Staff

Anatomically Correct Artificial Ear by HEAD acoustics Achieves ITU-T Standardization

HEAD acoustics succeeded in the standardization of the newly developed artificial ear with human-like ear canal (HEC). The new artificial ear is now standardized as Type 4.4 artificial ear in Recommendation ITU-T P.57. The HEAD acoustics HEC artificial ear not just fulfills the Type 4.4 artificial ear requirements, it is also the first ITU-T standardized artificial ear meeting the low-noise requirements for artificial ears as defined in the new chapter 7 of Recommendation P.57.

HEAD acoustics Introduces New Generation of Artificial Heads With Advanced Types of Artificial Ears

April 20, 2021 by audioXpress Staff

HEAD acoustics Introduces New Generation of Artificial Heads With Advanced Types of Artificial Ears

HEAD acoustics introduced a new and much improved design for its artificial heads paving the way for new era of communication and audio quality measurements. The new generation of artificial heads ensures a new level of realism, precision and flexibility when coupled with HEAD acoustics modular concept approach, meeting the most diverse of applications in the field of acoustic measurement technology.

High-Frequency Head and Torso Simulator (HATS) – Why?

April 2, 2020 by Special Content

High-Frequency Head and Torso Simulator (HATS) – Why?

The world of communication and entertainment is evolving and consumer expectations for audio quality continue to increase, and with it the requirements for improved test equipment that can accurately predict the perception of human hearing and speech. A head and torso simulator (HATS) is an objective measurement instrument with built-in, human-like ear and mouth simulators that provides a realistic reproduction of the acoustic properties of an average adult human.

Electroacoustic Measurements of Headphones

September 11, 2019 by Christopher J. Struck

Electroacoustic Measurements of Headphones

Christopher J. Struck (CJS Labs) discusses all options available for headphone testing and calibration. The article discusses what should be included in a complete headphone test system, considerations on electrical impedance, considerations on repeatability of the results, free and diffuse field corrected responses, left-right tracking, and the use of two-tone distortion measurements. Reference reading material. This article was originally published in Voice Coil, July 2019.