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Sound Matters: Audio Measurement Expertise from our Blog

Our audio measurement experts discuss various audio measurement applications, share tips and tricks on optimizing audio measurements, and reveal some of the algorithms and techniques in SoundCheck that can help characterize audio and consumer electronics devices.

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Group and Batch Processing of Data Curves (100 Things #93)

November 30, 2023

Group and Batch Processing is a really neat feature in SoundCheck that saves huge amounts of time when…

Steve Temme Featured on THD Podcast (Part 2) – Transient Distortion and more

November 28, 2023

In the second of a 2-part series on the THD Podcast, Steve Temme continues his discussion about why its…

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Time Selective Response Analysis using a Continuous Log Sweep (100 Things #92)

November 16, 2023

Did you know that SoundCheck was the first audio test system to implement Time Selective Response Analysis…

Steve Temme Featured on THD Podcast – Perceptual Distortion and More

November 14, 2023

Steve Temme recently featured on the THD Podcast. In this engaging episode, he discusses his 30+ year…

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Measurement of Intermodulation Distortion (100 Things #91)

November 9, 2023

Intermodulation Distortion measurements are a great alternative to harmonic distortion for measuring…

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Curve Smoothing (100 Things #90)

November 2, 2023

Curve smoothing in SoundCheck allows for non-destructive processing of data, resulting in smooth and…

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Apply Equalization To A Test Stimulus (100 Things #89)

October 26, 2023

Did you know you can equalize a stimulus in SoundCheck to remove the influence of hardware and components…

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SoundCheck Supports Audio Over IP (100 Things #88)

October 19, 2023

SoundCheck supports testing audio over IP using Dante. Dante allows a connection between testing computers…

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Make Non-Coherent Distortion Measurements (100 Things #87)

October 12, 2023

Did you know that you've been able to make distortion measurements in SoundCheck with real-world signals…

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Listen’s Latest Generation Audio Interfaces (100 Things #86)

October 5, 2023

Traditional sound cards have drawbacks for audio testing, such as physical controls that can easily be…

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Integrate SoundCheck Data With Your Database (100 Things #85)

September 28, 2023

Using SoundCheck as part of your test setup and database is easy. SoundCheck's data can be saved directly…

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Save Metadata With Your Measurements (100 Things #84)

September 21, 2023

SoundCheck 21 introduces metadata to measurement data. All data in SoundCheck can now include metadata…

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Open Loop Measurements Of Smart Devices (100 Things #83)

September 14, 2023

Open loop testing enables measurement of smart devices, phones, and any device that cannot play a stimulus…

Measuring Audio Leakage From A VR Headset (100 Things #82)

September 7, 2023

Virtual Reality Headsets may be new to the market, but users already expect excellent sound quality to…

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SoundCheck 21 New Features

September 1, 2023

Check out our short demo video for a brief introduction to all the new features in SoundCheck 21. From…

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Using Statistics to Overcome Fit Variation for Headset Measurements (100 Things #81)

August 31, 2023

SoundCheck's statistics allows for multiple measurements from a sequence to be analyzed together, to…

View Data in Real Time With the Multi-FFT and Multi-RTA (100 Things #80)

August 24, 2023

SoundCheck's powerful virtual instruments let you perform measurements in real time, now with even more…

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Lock and Password Protect Your Test Sequences with Sequence Protection (100 Things #79)

August 17, 2023

With sequence protection in SoundCheck, sequences can be password protected, preventing unauthorized…

Evaluating Stereo Soundfields using Time Selective Response (100 Things #78)

August 10, 2023

Time selective response in SoundCheck can be used to evaluate a stereo sound system's localization and…

Using Confidence Limits for Sequence Speed and Accuracy (100 Things #77)

August 7, 2023

SoundCheck's Measurement Confidence is a powerful way to qualify factors that may influence measurements,…

Using SoundCheck to Test Communications Devices (100 Things #76)

July 27, 2023

Modern devices let us communicate with each other more than ever, in new and exciting ways. Telecommunications…

Test Automotive Audio via A2B Interfaces (100 Things #75)

July 20, 2023

SoundCheck features full integration with A2B interfaces, allowing seamless audio measurements with all…

Easily Save Measurements in Any Format (100 Things #74)

July 13, 2023

SoundCheck offers flexible options for data processing, allowing measurement data to be saved in a variety…

Active Speech Level Control in SoundCheck (100 Things #73)

July 6, 2023

SoundCheck's incorporation of active speech level allows for stimulus to conform with telephony testing…

Transient Distortion Analysis With enhanced Loose Particles (100 Things #72)

June 29, 2023

Listen's enhanced Loose Particles algorithm measures transient distortion independently of harmonic distortion,…

Calculating Thiele-Small Parameters of a Loudspeaker (100 Things #71)

June 22, 2023

SoundCheck can be used for loudspeaker design, performing measurements of loudspeaker performance in…

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Make Smarter Tests with Sequence Logic (100 Things #70)

June 15, 2023

SoundCheck has sequence logic integration through every step. The ability to use If/Then logic with sequence…

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Testing MEMS Microphones In SoundCheck (100 Things #69)

June 8, 2023

Testing MEMS microphones and devices in SoundCheck is as simple as any microphone test. In fact, SoundCheck's…

Smart Device Testing Seminar

June 7, 2023

Testing smart devices such as smart speakers, hearables, watches and more involves a combination of tests…

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Using Transfer Function to Measure Smart Devices (100 Things #68)

June 1, 2023

Modern devices are becoming better and better at filtering out unwanted background noise from calls.…

New Transient Distortion Measurement Algorithm

May 25, 2023

At Listen, we’re at the forefront of audio measurement research, and we’re always looking to improve…

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Introducing Enhanced Loose Particles (eLP)

May 25, 2023

Watch our launch seminar for Listen’s latest algorithm, enhanced Loose Particles (eLP). This new algorithm…

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Measuring Active and Passive Noise Cancellation for Hearing Protection (100 Things #67)

May 25, 2023

SoundCheck makes testing to standards simple by automating precise measurements into a single sequence.…

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Quickly Post-Process Multiple Measurements With Average Curves (100 Things #66)

May 18, 2023

SoundCheck includes a powerful array of post-processing options, including Average Curves. This step…

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Save Time With Virtual Instruments Configurations (100 Things #65)

May 11, 2023

Since 1997, SoundCheck has had virtual instruments to replace large, heavy hardware instruments. Incorporating…

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Using Statistics to Create Test Limits (100 Things #64)

May 4, 2023

The statistics feature in SoundCheck adds the ability to perform a variety of statistical measurements.…

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Measure Frequency and Distortion in Real Time (100 Things #63)

April 27, 2023

SoundCheck features a full suite of versatile powerful virtual instruments, including a dedicated frequency…

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Make Directional Measurements with Polar Plots in SoundCheck (100 Things #62)

April 20, 2023

SoundCheck's Polar Plots make directional measurements simple. No matter what device you are testing,…

Monitor Test Progress by Displaying Sequence Steps (100 Things #61)

April 13, 2023

SoundCheck includes powerful built-in tools for monitoring and troubleshooting. As a sequence runs, steps…

Making Real-Time Measurements with Live Curves (100 Things #60)

April 6, 2023

Live curves is a new feature in SoundCheck that lets you combine multiple real-time measurements on the…

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Haptic Feedback Measurements with SoundCheck (100 Things #59)

March 30, 2023

SoundCheck makes haptic feedback measurements as well as audio measurements on devices like smartwatches,…

Getting the Most From Your SoundCheck Graphs (100 Things #58)

March 23, 2023

Zooming, point selection, plot movement, autoscaling, showing / hiding legends, changing graph colors...…

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Measuring Headphone Active Noise Cancellation in Real Time (100 Things #57)

March 16, 2023

Active Noise Cancellation technology is more advanced than ever, and SoundCheck is well-equipped with…

Transitioning Audio Tests from R&D to the Production Line

March 10, 2023

Steve Temme discusses the transition from R&D to production testing in this March 2023 issue of AudioXpress.…

Flexible Data Saving Options (100 Things #56)

March 9, 2023

SoundCheck saves data to many different formats. Curves, waveforms, values, and results can be saved…

Make RT60 Room Acoustics Measurements With SoundCheck (100 Things #55)

March 2, 2023

SoundCheck makes fast, reliable RT60 room acoustics measurements with fully calibrated signal paths,…

TEDS Microphone Support for Fast Calibration (100 Things #54)

February 23, 2023

TEDS microphone support (with appropriate hardware) in SoundCheck makes your audio measurement system…

Make ITU-T-P.63 Compliant POLQA Measurements With SoundCheck (100 Things #53)

February 16, 2023

Opticom's POLQA algorithm is available as an option in SoundCheck, where it can be used in a test sequence…

SoundCheck Includes Visual Overload Protection Warnings (100 Things #52)

February 9, 2023

SoundCheck includes visual overload protection warnings in all instruments, both hardware and virtual…

Flexible Options for Scaling WAV Files (100 Things #51)

February 2, 2023

SoundCheck offers multiple ways to work with WAV files; normalize to peak, scale to sound card values,…

SoundCheck Supports Multiple Interfaces for Ultimate Flexibility (100 Things #50)

January 26, 2023

SoundCheck is built on flexibility, and it's hardware compatibility is no exception. SoundCheck supports…

Save Test Time by Automating With Sequence Looping (100 Things #49)

January 19, 2023

Save both sequence development and test time by using sequence looping to run repetitive test elements…

SoundCheck Supports Unlimited Virtual Instruments (100 Things #48)

January 12, 2023

SoundCheck introduced the concept of virtual audio analysis instruments to the world in 1997, and has…

Using Panel Lock for Reliable Hardware Configurations (100 Things #47)

January 5, 2023

Buttons, knobs, and switches on interfaces are great for device flexibility, but not so great for reliability.…

The New POLQA Module in SoundCheck

December 19, 2022

The optional POLQA (Perceptual Objective Listening Quality Analysis) module brings Opticom’s POLQA…

Communications Testing Seminar

December 15, 2022

Communications tests are not just for telephones! In this demo-packed seminar with communications industry…

Discover SoundCheck Features with the Demo Viewer (100 Things #46)

December 15, 2022

The SoundCheck demo viewer is great way to understand the capabilities of the software without needing…

Measure and Characterize Noise with NoiseCheck (100 Things #45)

December 8, 2022

SoundCheck measures all forms of audio, even noise. Listen's noise measurement solution, NoiseCheck,…

Using Equalization Curves For Calibrated Measurements (100 Things #44)

December 1, 2022

Equalization curves are essential for creating flat frequency responses from speakers, allowing for them…

Perform Analysis Outside of a Sequence with Offline Capabilities (100 Things #43)

November 17, 2022

SoundCheck's industry-leading audio measurement tools go far beyond the test sequence. All its analysis…

Measuring Max SPL of a Vehicle Infotainment System (100 Things #42)

November 10, 2022

SoundCheck is ideal for making in-car measurements such as Max SPL, frequency response and distortion.…

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Easily Measure Headphones to EN 50332 with a Pre-written Sequence (100 Things #41)

November 3, 2022

We provide many pre-written sequences for testing to standards across many applications, including a…

Synchronize Multiple Signal Generators (100 Things #40)

October 27, 2022

SoundCheck’s signal generator is a virtual instrument for playing signals (frequency, white or pink…

Multimedia Documentation for Accurate Test Configuration (100 Things #39)

October 20, 2022

The best way to ensure that your test operators follow procedures is to provide the right directions…

External Control of SoundCheck Seminar

October 18, 2022

SoundCheck has led the way in production line audio measurement for over 25 years with its sophisticated…

Digital Measurements – USB Headphones & Microphones (100 Things #38)

October 13, 2022

SoundCheck's testing capabilities go beyond the analog domain. It has always been able to measure digital…

Pre-written Test Sequences for Measurements to Audio Industry Standards (100 Things #37)

October 7, 2022

We offer a whole catalogue of pre-written SoundCheck test sequences to save you development time when…

Using Virtual Instruments for Greater Acquisition Flexibility (100 Things #36)

September 29, 2022

Virtual Instruments in SoundCheck are a quick and easy way to take a measurement without developing a…

AES75 (M-Noise) Measurement of Max SPL for Loudspeakers (100 Things #35)

September 22, 2022

The AES75 standard details a method for measuring maximum linear sound levels of a loudspeaker system…

Display Phase Measurement Alongside Frequency Response (100 Things #34)

September 15, 2022

Its simple to display phase measurement alongside frequency response when making audio measurements in…

Comparing Measured Data to a Target Curve (100 Things #33)

September 8, 2022

You can import any target curve into SoundCheck. This enables quick and easy comparison of your measured…

Calibrate and Use Third Party Hardware with SoundCheck (100 Things #32)

September 1, 2022

SoundCheck supports any third party hardware audio interface and provides the capability to fully calibrate…

Protect and Autoprotect Sequence Data (100 Things #31)

August 25, 2022

By default, SoundCheck overwrites any data that isn’t protected or saved after each subsequent run…

Customized Calculations with the Equation Editor (100 Things #30)

August 18, 2022

SoundCheck's equation editor enables you to apply any customized calculation to your measured data as…

Customized Units for Specific Applications (100 Things #29)

August 11, 2022

SoundCheck contains many default units for sound, electrical and vibration measurements, but it also…

Autosave SoundCheck Data to a Variety of Formats (100 Things #28)

August 4, 2022

The autosave step in SoundCheck is a powerful feature that allows you to save the curves, values, results…

Recall Saved Data While Running A Sequence (100 Things #27)

July 28, 2022

SoundCheck can recall saved data such as EQ/Weighting curves, limits, or prior measurements while running…

Automotive Audio Measurements (Seminar): Frequency Response, Max SPL, Buzz, Squeak & Rattle

July 22, 2022

In this practical online seminar, Steve Temme demonstrates in-car measurement of frequency response,…

Production Line Polarity Measurement (100 Things #26)

July 21, 2022

SoundCheck offers a rapid production line polarity measurement that can identify correct wiring at the…

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Bluetooth Capability Can Be Added to Any SoundCheck System (100 Things #25)

July 14, 2022

Bluetooth capabilities are becoming more and more common in modern devices. Luckily, you can add Bluetooth…

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ePRB (Perceptual Rub & Buzz Measurements) (100 Things #24)

July 4, 2022

Not all distortion is audible. Perceptual Rub & Buzz measurements identify only those devices with…

Simultaneously Analyze Analog and Digital Signals (100 Things #23)

June 30, 2022

SoundCheck works with both analog and digital hardware, even both at the same time! This makes it easy…

Easily Share SoundCheck Sequences (100 Things #22)

June 23, 2022

Its easy to share SoundCheck Sequences for collaboration with colleagues and contract manufacturers.…

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100 Things #21: Normalized Rub & Buzz Measurements

June 16, 2022

In this short video, Steve Temme explains how SoundCheck’s unique normalized Rub & Buzz measurement…

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SoundCheck 20 New Features

June 10, 2022

SoundCheck 20 introduces our state-of-the-art perceptual distortion algorithm for end-of-line testing…

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100 Things #20: Send A Message to Any External Device

June 9, 2022

Using SoundCheck to communicate with outside hardware and software opens up a world of testing possibilities.…

100 Things #19: Maximize Dynamic Range with Autoranging

June 2, 2022

It is important to maximize dynamic range to ensure a good signal-to-noise ratio when making measurements.…

100 Things #18: Dynamically Control Test Stimulus

May 26, 2022

In SoundCheck, you can dynamically control the test stimulus via a message prompt within a sequence. …

Virtual Instruments Seminar

May 20, 2022

Virtual instruments, included in SoundCheck, are a cost-effective and portable software-based alternative…

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100 Things #17: Simulated Free Field Measurements Without an Anechoic Chamber

May 19, 2022

With SoundCheck you can make simulated free field measurements in an ordinary room without an anechoic…

100 Things #16: SoundCheck Upgrades – Capabilities Increase over Time

May 12, 2022

SoundCheck upgrades ensure your audio measurement software is future-proofed to meet your needs 5 or…

100 Things #15: Loose Particle Detection for Identifying Transducer Manufacturing Defects

May 5, 2022

Loose Particle Detection is a technique for analyzing random transient distortion in the time domain.…

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100 Things #14: Compound Stimuli Offer Complete Test Flexibility

April 28, 2022

Sometimes a simple stimulus is not enough for your testing application. Maybe you need a stweep to test…

100 Things #13: Save SoundCheck Data to Matlab

April 21, 2022

In SoundCheck, you can do any mathematical calculations you need without leaving the software - the equation…

100 Things #12: Pre-configured Audio Test Sequences

April 15, 2022

SoundCheck comes pre-packaged with a full library of audio test sequences for loudspeakers, headphones,…

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100 Things #11: External Control Using TCP/IP

April 7, 2022

Factory automation is easy with SoundCheck because it offers full external control via TCP/IP. This means…

100 Things #10: Low Cost Audio Measurement with SoundCheck ONE

March 31, 2022

SoundCheck's low cost audio measurement software, SoundCheck One, is a budget-friendly solution for basic…

100 Things #9: Use Your Own Customized Color Scheme

March 24, 2022

A customized color scheme let you have your graph any way you want it! You can customize SoundCheck's…

100 Things #8: Display Multiple Curves on One Graph

March 17, 2022

In SoundCheck, it's easy to display multiple curves on one graph - simply drag and drop a set of measurement…

ABOUT LISTEN INC

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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