All items tagged with audio measurements (130)
Meyer Sound Conducts Research on the Effect of Variable Atmospheric Conditions on Concert Sound Reinforcement
December 3, 2018 by audioXpress Staff

Meyer Sound Conducts Research on the Effect of Variable Atmospheric Conditions on Concert Sound Reinforcement

Thanks to its unprecedented partnership with Denmark’s Roskilde Festival, Meyer Sound realized a rare opportunity to make precision measurements on the effect of variable atmospheric conditions on concert sound reinforcement. Working under the direction of Meyer Sound Senior Scientist Roger Schwenke, a technical team installed multiple weather sensors and measurement microphones during last summer’s event to measure the effects of atmospheric conditions on audio system response at varying distances above ground level.
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Rational Acoustics Confirms Smaart v8.3 Update Is Now Available
October 30, 2018 by audioXpress Staff

Rational Acoustics Confirms Smaart v8.3 Update Is Now Available

Smaart v8.3 is the third major update to the Smaart v8 measurement platform, originally introduced in 2016. This free update includes integration with the Roland Octa-Capture USB 24-bit/192 kHz audio interface, major Client Window improvements, new Frequency-domain Time Windowing (FTW) for complex averaged transfer function measurements, and numerous enhancements and bug fixes in almost every area of the program. This update is recommended for all Smaart v8 users.
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SoundChip Introduces Soundstation Array for Hybrid Noise Cancelling Headphone Development
October 15, 2018 by audioXpress Staff

SoundChip Introduces Soundstation Array for Hybrid Noise Cancelling Headphone Development

SoundChip introduced Soundstation Array, a spatially-limited diffuse sound field measurement platform designed to help brands characterize and tune hybrid noise cancelling headphones. Soundstation Array leverages SoundChip-sponsored post-graduate research into the minimum requirements for generating a sound field that is sufficiently diffuse for ensuring repeatable and reproducible measurements of noise cancelling headphones, without the need for an anechoic or reverberation chamber.
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Listen Releases SoundCheck 16.1 with New Frequency Trigger for Open Loop Testing
October 5, 2018 by audioXpress Staff

Listen Releases SoundCheck 16.1 with New Frequency Trigger for Open Loop Testing

The audio measurement specialists at Listen announced the release of SoundCheck 16.1. This minor software release contains nevertheless some exciting new features for all developers and manufacturers working with connected audio devices, providing a test routine for smart speakers and other voice-controlled devices such as smartphones, robots, automotive audio, smart thermostats, hearables and more. The new software is available free of charge to all registered users of SoundCheck 16.0.
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Practical Test & Measurement: The Virtins Multi-Instrument Software
June 19, 2018 by Stuart Yaniger

Practical Test & Measurement: The Virtins Multi-Instrument Software

Stuart Yaniger provides an in-depth look at the Virtins Multi-Instrument Software, for data acquisition and measurements. The Multi-Instrument package from Virtins Technology — a Singapore-based company — is one of the most powerful and versatile. This article is a very complete review of what Multi-Instrument entails and what distinguishes it from other software packages and dedicated solutions. This article was published in audioXpress, March 2016.
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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).
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HEAD acoustics Launches Modular Multi-Channel Test and Measurement Front End labCORE
January 10, 2018 by audioXpress Staff

HEAD acoustics Launches Modular Multi-Channel Test and Measurement Front End labCORE

A powerful and versatile all-in-one solution for a wide variety of applications, the new modular multi-channel front end labCORE from HEAD acoustics, introduces a powerful and versatile measurement instrument that expands the German company’s application scope. Due to its modularity, its wide selection of digital and analog inputs and outputs as well as its programmable interfaces, labCORE is an all-in-one solution for voice and audio quality measurements.
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Practical Test & Measurement: Sound Cards for Data Acquisition in Audio Measurements (Part 7) - Pitting the CLIO Pocket Against a Sound Card
May 24, 2017 by Stuart Yaniger

Practical Test & Measurement: Sound Cards for Data Acquisition in Audio Measurements (Part 7) - Pitting the CLIO Pocket Against a Sound Card

In this article of a series on how to create a low-cost system for lab-grade audio electronics measurements, Stuart Yaniger decided to do a comparison experiment between a dedicated but very affordable measurement solution - the Audiomatica CLIO Pocket - and its own sound-card based system described previously. This article was originally published in audioXpress, December 2015.
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Practical Test & Measurement: Sound Cards for Data Acquisition in Audio Measurements (Part 6) - Measurement Examples
May 17, 2017 by Stuart Yaniger

Practical Test & Measurement: Sound Cards for Data Acquisition in Audio Measurements (Part 6) - Measurement Examples

Stuart Yaniger continues to examine ways to create a low-cost system for lab-grade audio electronics measurements. In this article, a few measurement examples are used to illustrate the power and the versatility of sound-card-based measurements. To illustrate the usefulness of measurements in the design process, Yaniger also explores the effects of load on power supply noise for a common IC regulator circuit. This article was originally published in audioXpress, November 2015.
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Practical Test & Measurement: Sound Cards for Data Acquisition in Audio Measurements (Part 3)
April 26, 2017 by Stuart Yaniger

Practical Test & Measurement: Sound Cards for Data Acquisition in Audio Measurements (Part 3)

In this article series, Stuart Yaniger examines ways to create a low-cost system for lab-grade audio electronics measurements. The pieces of a powerful modern measurement system comprise a sound card, software, and a signal conditioning interface and, of course, the right computer. That’s where Yaniger delves in this third part, also sharing some of his first findings on available software. This article was originally published in audioXpress, August 2015.
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