News

06. August 2017

Audio Measurement Seminar in Tokyo

Audio Measurement Seminar in Tokyo

Within the last weeks NTI Japan held several measurement seminars with the Flexus FX100 Audio Analyzer. The seminar that took place in Japan was focused on basic measurement knowledge as well as professional audio measurements.

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28. June 2017

Sound Level Visualization with the Projector PRO

Sound Level Visualization with the Projector PRO

NTi Audio has launched a new generation of the very popular display projector for the XL2 Sound Level Meter. The XL2 Projector PRO software application connects via a USB port with the XL2 measuring device and visualizes its screen on a Windows or new Mac computer. Additionally, large level displays and a level predictor that looks into the future round off the functionality for live sound applications.

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21. June 2017

Swen Mueller is back in Europe

Swen Mueller is back in Europe

During the visit of the NTi Audio booth Pro Light & Sound in Frankfurt, we met Swen Müller, an electronics engineer and signal processing specialist who is well-known in the audio scene as the author of expert articles and developer of measurement software. Him having vanished from the local scene for more than a decade, we took the opportunity for a short interview.

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30. May 2017

Noise Monitoring Station with Remote Control

Noise Monitoring Station with Remote Control

With a Noise Monitoring Station from NTi Audio, both short-term sound level measurements and long-term monitoring can be easily achieved. At the core is an XL2 Sound Level Meter, which in turn connects to the Internet via a NetBox. The remote access to the monitoring station is directly via the NTi Audio Gateway or the self-managing NoiseScout Web Portal.

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24. May 2017

XL2 Sound Level Meter Calibration according to IEC61672

XL2 Sound Level Meter Calibration according to IEC61672

NTi Audio offers calibration services for its devices in addition to the broad range of audio, acoustic and vibration measurement solutions. Besides the calibration of individual system components, the sound level meter calibration according to IEC61672-3:2013 is now available for the XL2. The specified procedures for periodic sound level meter testing is followed and a comprehensive calibration certificate presented.

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19. April 2017

New TalkBox Test Signal to Measure Speech Intelligibility in Schools

New TalkBox Test Signal to Measure Speech Intelligibility in Schools

The intelligibility of speech in schools is an important part of successful learning. According to the ANC (Association of Noise Consultants), the typical speech level for a teacher in the classroom (at 66.5 dB) is higher than the normal speaking level. For this reason, NTi Audio now offers the speech intelligibility test signal for the TalkBox at this level. This is a free product upgrade for all TalkBox users.

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18. April 2017

Let’s Clear Up Some Things About FFT

Let’s Clear Up Some Things About FFT

This second part of this series deals with specific aspects that are helpful in the practical application of FFT measurements. FFT measurements are used in numerous applications. The results are usually presented as graphs and are easy to interpret. For accurate FFT measurements, there are some things to look out for. This article provides valuable tips.

 

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13. April 2017

Class 1 Sound Level Meter with Attached Microphone

Class 1 Sound Level Meter with Attached Microphone

The XL2-TA Sound Level Meter has established itself as one of the most popular class 1 measurement instruments worldwide. Its extensive basic functions coupled with the open data format allow for efficient measurements. The extended type approval for operation with an attached microphone, which was recently received in Austria, further increases the value of the instrument.

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23. March 2017

Determination of the Rating Level for Neighborhood Noise Assessment according to DIN 45645

Determination of the Rating Level for Neighborhood Noise Assessment according to DIN 45645

The rating level Lr is used as a measure of the noise level in a neighborhood. The XL2 Sound Level Meter ensures that all necessary measurement data is recorded. The XL2 Data Explorer PC-software is tailored to the purpose of evaluating and calculating the Rating Level. Noise penalties for tonality and impulsivity, according to the DIN 45645 standard, can be automatically added. This provides an expert tool for rating and assessing noise objectively.

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23. March 2017

Noise Assessment according to BS 4142:2014 with the XL2

Noise Assessment according to BS 4142:2014 with the XL2

The XL2 Sound Level Meter is built for precisely measuring and recording industrial and commercial sound. The Data Explorer PC-software evaluates the recorded data in detail and calculates the Rating Level Lr. A character correction for tonality and impulsivity can be automatically added using the objective method detailed in BS 4142:2014. This provides an expert tool for rating and assessing sound of an industrial and/or commercial nature.

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