How do you measure USB headsets? In this short video, we demonstrate how to measure USB headsets using SoundCheck. You’ll see how to configure digital input and output channels, set up the headset in the hardware editor, and perform measurements including left and right earphone frequency response, THD, sensitivity, and microphone performance. This method can […]
How do you measure hearing protection devices? In this short video, we demonstrate how to measure hearing protection using SoundCheck in accordance with the ANSI S3.19-1974 standard. You’ll see how to set up a head and torso simulator, calibrate the system, and perform repeated unoccluded and occluded measurements using pink noise to accurately calculate attenuation […]
Last week, 2 of the world’s leading distortion experts – Steve Temme and Dr. Sean Olive – shared a stage at the Bay Area AES Chapter meeting for a deep dive into headphone distortion audibility, bridging the gap between objective measurement and subjective perception. We had several requests to record it, so here it is! […]
How do you measure hearing aids? In this short video, we demonstrate how to test hearing aids using SoundCheck with standard ANSI S3.22 measurement techniques. You’ll see how to set up an anechoic test box and coupler, and configure SoundCheck for key measurements including frequency response, input/output linearity, OSPL 90, and release time. This method […]
Get up and running with your AmpConnect 621 and SoundCheck in minutes! This step-by-step guide walks through installation, activating your license, hardware setup, and running a self-test to ensure everything is working correctly. We’ll also walk through a quick loudspeaker measurement so you can start testing right away! Watch the video here: Learn More […]
How do you measure devices that can’t be directly connected to an audio interface? In this video, we demonstrate how to measure open loop devices such as smartphones and smart speakers using SoundCheck. You’ll learn how to generate a stimulus file, play it back from the device under test, and use triggered recording with a […]
Car audio is complex, but measuring it doesn’t have to be! SoundCheck measures a range of automotive infotainment parameters from simple frequency response to complex communications measurements. These include: Frequency response. Frequency response is the clearest indicator of overall audio system performance. We recommend evaluating it according to TC-AA recommendations using 80dBA monophonic, correlated […]
This sequence measures both conventional Total Harmonic Distortion (THD) and Normalized THD to provide a more accurate representation of a device’s nonlinear behavior. A stimulus is played through the device under test and recorded via a calibrated reference microphone and amplifier signal paths. Conventional THD compares each harmonic to the fundamental at the stimulus frequency, […]
Recent transducer development, particularly piezo-MEMS loudspeakers, have brought renewed attention to Normalized Distortion (also known as Frequency Normalized Distortion), because it is essential to accurately characterize their behavior. Normalized Distortion is a measurement algorithm first proposed in a 1993 AES paper by Listen president Steve Temme during his time at Brüel & Kjær. Although it […]
Learn how to average measurement data the right way in SoundCheck. In this video, we’ll walk through curve averaging, averaging multiple curves, and waveform RMS calculations to get meaningful results from your data. Additional Resources for SoundCheck Detailed explanations of how to use SoundCheck can be found in the SoundCheck manual. Video Transcript: How […]
Listen is a global leader in audio measurement and analysis, with over 30 years’ experience developing innovative test methods and algorithms. SoundCheck, our powerful software-based audio analyzer, pairs with our test interfaces, precision microphones, and accessories to offer a complete solution for testing loudspeakers, headphones, microphones, smart devices, communication systems, hearing aids, automotive audio, and more. Trusted by engineers worldwide, Listen delivers the accuracy and flexibility essential for modern audio testing, from the R&D lab to the production line.
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