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Webinars on Demand

Signal Generation with the MR-PRO

The webinar explains the key issues of audio signal generation, covers related issues such as Crest factor or level units, and provides practical examples.

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Acoustic Principles - Sound Propagation

The webinar introduces the basic principles of sound propagation, such as sound generation, near & far-field, reflections and absorption etc.

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Sound Level - Definition, Calculation, Practice

Covers the technical definition of sound pressure level, an explanation of how to sum sound levels from different sources, and more, together with practical examples.


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Speech Intelligibility

This webinar explains the measurement methods, workflow and result reporting for Speech Transmission Index for Public Address (STIPA) according to the latest standard IEC60268-16, edition 2011.


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Basics of Sound Level Measurements

Introduction to the essential aspects of sound level measurements. Explains terms such as Leq, frequency or time weighting, min/max level, measurement microphones, calibration etc.


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  • More information about the XL2 Sound Level Meter here.

Advanced Principles of Sound Level Measurements

Explanation of the most frequently used sound level measurements, e.g. instantaneous level, equivalent level, maximum and peak level, percentiles etc.


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  • More information about the XL2 Sound Level Meter here.

Sound Level Measurements in an Industrial Environment

Overview on professional sound level measurements in an industrial environment. Includes an explanation of basic measuring parameters and preparations, as well as practical application hints.


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  • More information about the XL2 Sound Level Meter here.

Preparing for Long-Term Sound Level Measurements

Step-by-step explanation of the settings essential to prepare and log a long-term sound level measurement. Includes hints on the practical use of the XL2 and hints on available post-processing tools.


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  • More information about the XL2 Sound Level Meter here.

Analysis and Reporting of Long-Term SPL Measurements

Overview and explanation of the available software solutions for the analysis and documentation of long-term sound level measurements with the XL2.


Useful Links from this Webinar

  • Download the reporting tools you need from the XL2 Support website
    - XL2 Data Explorer PC-Software (Advanced reporting)
    - Sound Level Meter (Live events, DIN15905, SLV, Vlaams Geluidsrapport)
    - Noise Exposure
    - STIPA

  • More information about the XL2 Sound Level Meter here.

Introduction to Live Event Monitoring

Technical basics of sound level measurements, legal restrictions, as well as preparations and execution of live event monitoring including reporting tools.


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RT60 Reverberation Time Measurements

Introduction to RT60 reverberation time measurements with the XL2.


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  • Read about the instruments you need to measure RT60 here.

  • Download the RT60 reporting tool from the XL2 Support website

  • More information about the XL2 Acoustic Analyzer here.

Noise Curves

Backgrounds and practical application hints on Noise Curve measurements with the XL2 Acoustic Analyzer.


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  • Read about the XL2 instrument you need to measure Noise Curves here.

Evacuation Systems: Configuration, Testing, Maintenance

Overview on how to verify an evacuation system with the XL2 Acoustic Analyzer.


Useful Links from this Webinar

  • Download the STIPA reporting tool from the XL2 Support website
  • Installed Sound & Evac Test Solution here.
  • 24/7 Evacuation System Monitoring here

How to Set Meaningful Pass/Fail Tolerances

The webinar proposes a step-by-step procedure to establish a reliable and relevant audio test for simple audio devices. It focuses on the required steps to set meaningful tolerance limits, even in cases where no test specifications are available.

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  • Website with additional information regarding FX100 audio analyzer

Test Sequence Design Made Easy

Introduction to the design of consecutive FX100 test procedures by using the sequencer tool of the FX-Control software.

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  • Website with additional information regarding FX100 audio analyzer

Audio Quality of Smart Devices

This webinar highlights the challenge of evaluating the Audio quality of the output of devices that have no connected input. The test signal first has to be stored on the Device Under Test (DUT) and then replayed by the DUT during the test measurement. Further, the Audio analyzer must trigger from and synchronize correctly to this incoming asynchronous signal.

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Microphone Testing with the FX100

Presenting typical test setups and procedures for measuring and verifying the performance of microphones with the FX100 audio analyzer.

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Interfacing the FX100 to External Devices

Introducing the alternatives to connect external devices such as a foot switch, stack light, barcode scanner etc. to the FX100 audio analyzer in the typical test configurations.

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  • Website with additional information regarding FX100 audio analyzer
  • Accessories for the FX100 audio analyzer

FX100 Applications: Dealing with Power [W]

Explanation on how to adjust / measure the output power / power consumption of a device with the FX100 Audio Analyzer.

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  • Website with additional information regarding FX100 audio analyzer
  • Accessories for the FX100 audio analyzer

How to Set Up a Loudspeaker Test

Presentation of a typical setup procedure for loudspeaker quality control with the FX100 audio analyzer.

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  • Website with additional information regarding FX100 audio analyzer
  • Solutions website regarding speaker, driver and cabinet testing with the FX100 audio analyzer

Amplifier Test Sequence

Introduction of the required equipment and steps that are executed for testing a D-class amplifier with the FX100 audio analyzer.

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  • Website with additional information regarding FX100 audio analyzer
  • Accessories for the FX100 audio analyzer

Basics of FFT Analysis

The presentation provides an introduction to the fundamental FFT calculation procedure, and explains the key parameters of this measurement method.

Useful Links from this Webinar

  • Website with overview on FFT Fast Fourier Transform
  • Website with additional information regarding FX100 audio analyzer
  • Website with additional information regarding XL2 analyzer

Advanced Topics of FFT Analysis

The webinar covers advanced aspects of FFT analysis, such as window functions, aliasing, averaging, display modes or calculations with FFT data.

Useful Links from this Webinar

  • Website with overview on FFT Fast Fourier Transform
  • Website with additional information regarding FX100 audio analyzer
  • Website with additional information regarding XL2 analyzer

Noise Analysis with Data Explorer

The webinar presents typical applications and best practices of noise analysis with the Data Explorer software.

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Basics of Sweep Analysis

The webinar covers basic aspects of Sweep analysis, including the types of sweeps, parameters used, and presents a practical sweep measurement.

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  • Website with additional information regarding FX100 audio analyzer