Did you know that SoundCheck was the first audio test system to implement Time Selective Response Analysis with the continuous log sweep stimulus (also known as a frequency log sweep, or Farina sweep) way back in 2001? TSR analysis allows reflections to be windowed out, making it great for loudspeaker simulated free field measurements and […]
Intermodulation Distortion measurements are a great alternative to harmonic distortion for measuring narrowband devices such as hearing aids and communication devices. In such devices, harmonic distortion measurements tend to underestimate the distortion as the higher-order harmonics fall outside the pass band of the device. In this short video, Steve Temme demonstrates and explains the two […]
Curve smoothing in SoundCheck allows for non-destructive processing of data, resulting in smooth and easy to visually understand curves. Curve smoothing can lessen the effects of reflections in the test space, reduce noise, or make curves less jagged for publishing data. The smoothing post processing step in SoundCheck features an array of different, to facilitate […]
Did you know you can equalize a stimulus in SoundCheck to remove the influence of hardware and components from your measurements? All of SoundCheck’s stimulus options can have equalization applied, include Stweep, waveforms, noise, and more. An EQ can also adjust a stimulus to focus on different frequencies, like boosting low or high frequencies for […]
SoundCheck supports testing audio over IP using Dante. Dante allows a connection between testing computers and devices over long distances, up to 100 meters. Audio over IP also supports large channel counts, which is perfect for multichannel testing across multiple rooms in a facility. SoundCheck flexible hardware compatibility means networked audio devices can be configured […]
Did you know that you’ve been able to make distortion measurements in SoundCheck with real-world signals such as speech and music since 2006? This is a valuable technique for testing modern devices with on-board DSP that filters out signals such as sine waves and noise. Non-coherent distortion measurements offer excellent correlation with perception and are […]
Traditional sound cards have drawbacks for audio testing, such as physical controls that can easily be altered, cabling errors, and the need for manual calibration. Two interfaces in our next generation of audio testing hardware: AudioConnect 2, and AmpConnect 621, fix these common problems. Both audio interfaces feature high resolution audio inputs and outputs, TEDS […]
Using SoundCheck as part of your test setup and database is easy. SoundCheck’s data can be saved directly to Microsoft Access or an SQL database, all from within a sequence. This includes curves, values, results, and waveforms. SoundCheck’s autosave sequence steps can automatically gather, format, and export sequence data. Plus, with TCP/IP integration, SoundCheck’s data […]
SoundCheck 21 introduces metadata to measurement data. All data in SoundCheck can now include metadata with your curves, values, results, and waveforms. Perfect for production environment, metadata can now be used to tag measurement data with system information, sequence run information, operator name, and environmental information. R&D applications can now use metadata to store details […]
Open loop testing enables measurement of smart devices, phones, and any device that cannot play a stimulus and record at exactly the same time. Both speakers and embedded microphones on these devices can be measured with SoundCheck, thanks to it’s module test architecture. With SoundCheck, the stimulus and acquisition are separated, so a stimulus file […]
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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