All items tagged with Rub & Buzz (23)

Fresh From the Bench: Listen SoundCheck and AmpConnect 621 Audio and Acoustics Test Suite

May 8, 2024 by Rens Tellers

Fresh From the Bench: Listen SoundCheck and AmpConnect 621 Audio and Acoustics Test Suite

The latest version of Listen's flagship audio test software, SoundCheck 21, allowed audioXpress to review also the latest Listen AmpConnect 621 USB-controlled multichannel audio test interface. The innovative algorithms and increased measurement capabilities of this powerful and flexible software, together with the AmpConnect 621 analyzer, combines all the functionality required for audio testing in the lab bench or in the production line. This article was originally published in audioXpress, March 2024.

Audio Precision Updates APx500 Measurement Software to Version 8.0

November 7, 2022 by audioXpress Staff

Audio Precision Updates APx500 Measurement Software to Version 8.0

Audio Precision released version 8.0 of its APx500 Measurement Software. Significant test time savings and much faster reporting of important measurements are the key features of this upgrade, which also adds an improved Bose SoneTrac method for Rub & Buzz measurements. Version 8.0 features software performance optimizations that reduce unnecessary computation and speed up sequence execution. This results in much faster reporting of important measurements such as THD+N.

Speakers: The Evolution of Production Line Rub & Buzz Measurements

July 14, 2022 by Steve Temme

Speakers: The Evolution of Production Line Rub & Buzz Measurements

This important article revisits the evolution of Rub & Buzz measurements in loudspeakers, headphone drivers, and microspeakers production lines, and how these are being addressed using the next-generation of perceptual algorithms. Steve Temme offers a valuable comparison with what can be accessed today using modern methods, and what to apply to access production faults, determine thresholds for production yields, or understand the real impact on consumer's perception. This article was originally published in audioXpress, April 2022.

Listen SoundCheck 20 Offers Enhanced Perceptual Rub & Buzz

June 15, 2022 by audioXpress Staff

Listen SoundCheck 20 Offers Enhanced Perceptual Rub & Buzz

Announced earlier in May 2022, the much anticipated Listen SoundCheck 20 audio analysis software update is now available, and includes Listen’s new state-of-the-art perceptual distortion algorithm for end-of-line testing - Enhanced Perceptual Rub & Buzz. SoundCheck 20 also includes a host of new features for multichannel and communications testing, increasing its capabilities for audio measurement of smart speakers, infotainment systems, headphones and hearables, and other voice-activated and multichannel devices.

Listen Releases SoundCheck 20 Audio Test Software Upgrade

May 4, 2022 by Joao Martins

Listen Releases SoundCheck 20 Audio Test Software Upgrade

The much anticipated SoundCheck 20 audio test software update is now released, and Listen is offering incentives to help users upgrade to the latest version. The motivations to upgrade are many, starting with the fact that SoundCheck 20 introduces Listen’s state-of-the-art perceptual distortion algorithm for end-of-line testing – Enhanced Perceptual Rub & Buzz. SoundCheck 20 also includes a host of new features for multichannel and communications testing.

Klippel Updates dB-Lab and QC Software with Improved Features for R&D and Production

April 4, 2022 by Joao Martins

Klippel Updates dB-Lab and QC Software with Improved Features for R&D and Production

Klippel has released a new software update for the Klippel Analyzer System with various new features for both R&D and QC applications. The most important updates include an improved Time Frequency Analysis (TFA) module, the official release for the QC 3D Spectrogram Limits (3DL) optional module for Quality Control (QC) testing, while adding Impedance (IMP) for T/S parameter testing and Motor + Suspension Check (MSC) tasks, among other features, to the QC Stand-alone software. The update is free of charge for all users running dB-Lab 212 or QC7.

Voice for True Wireless Earbuds, GaN, and More Exciting Audio Frontiers in audioXpress April 2022

March 11, 2022 by audioXpress Staff

Voice for True Wireless Earbuds, GaN, and More Exciting Audio Frontiers in audioXpress April 2022

The April 2022 issue of audioXpress offers an overview of voice for true wireless stereo earbuds with contributed articles from Knowles and Fluent.ai. Stuart Yaniger reviews the possibilities with GaN amplifiers, and Steve Temme explains the evolution of Rub & Buzz measurements and the latest perceptual algorithms. Ethan Winer designs a sample & hold circuit for a guitar-controlled, all-analog synthesizer project, Richard Honeycutt explores the meaning of “frequency response” as applied to rooms, and Mark Driedger explains why and how to test tubes.

Klippel KA3 Modules — Time Frequency Analysis

January 19, 2022 by Vance Dickason

Klippel KA3 Modules — Time Frequency Analysis

While Voice Coil Test Bench reviews only make use of the Large Signal Identification (LSI) data from the Klippel analyzer, the reality is that there is an amazing list of 30 modules available for the KA3 that are seriously valuable for transducer and system development. As space permits, I will be covering a number of these modules in future issue of Voice Coil. The first module in this series is the Time Frequency Analysis (TFA) module. This article was originally published in Voice Coil, October 2021

Raising the Bar for Loudspeaker Knowledge in Voice Coil August 2021

July 23, 2021 by audioXpress Staff

Raising the Bar for Loudspeaker Knowledge in Voice Coil August 2021

It's time for Loudspeaker News and Developments, unique technology Spotlights, valuable industry Directories, great speaker patent reviews, and Vance Dickason's speaker driver characterizations in Test Bench. This month, Bruno Putzeys and Lars Risbo write about their speaker research for Purifi Audio, James Croft reviews an acoustic low-pass filter patent awarded to Bujeon, and Vance Dickason tests the 5CXN44 coaxial driver from B&C Speakers. This edition features updated directories of Voice Coil and Magnet Vendors and Distributors.

Audio Precision Releases APx500 Version 6.1 Audio Measurement Software

June 1, 2021 by audioXpress Staff

Audio Precision Releases APx500 Version 6.1 Audio Measurement Software

Audio Precision released the APx500 audio measurement software, version 6.1. With this update, AP is adding new measurement results, options, and test signals for production test of loudspeakers, headphone drivers, and microphones. Most importantly for speaker designers and manufacturers the new APx software now offers the broadest set of methodologies available for detecting rub and buzz defects.

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