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Speech Intelligibility Measurement Basics

Record the background noise with an XL2 when the location is full.
STIPA measure background noise
With the location empty (perhaps at night), place a TalkBox in front of the announcer’s microphone.
STIPA TalkBox with announcer microphone
Press Start button on the XL2 to measure the STI.
STIPA measure STI
Print your Report.
STIPA Report

Download the Quick Guide to STI measurements here.

Watch the STIPA webinar here.

Read the whole STI story here.


Great Sound at Europe`s biggest Live Sound Trade Fair

Great Sound at Europe`s biggest Live Sound Trade Fair

The annual ProLight + Sound trade fair (PLS) in Frankfurt is acclaimed for Live sound demonstrations from top PA system manufacturers. This year the “Agora Live Sound Arena”, in the middle of the exhibition halls, was again a big attraction. While the various manufacturers presented their large-scale PA systems and latest stage equipment under realistic conditions at this open-air venue, the acoustic engineering company AMT, Isernhagen was responsible for protecting the public’s hearing according to the DIN 15905-5 standard. All sound level measurements were performed with the XL2 Sound Level Meter and visualized on the rather big screen using the Projector PRO software.

The Live Sound Arena was once again a crowd-puller this year. There is no doubt that, within reason, “louder is better” in such a comparative demonstration environment. AMT's job was to measure and display the sound levels, as well as advise the exhibitors on what is possible within the legal limits. For the sound level measurement, AMT chose the XL2 Sound Level Meter, because it is compliant, can integrate with the big screen, and provides a clear traffic-light color warning system.

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Also in this newsletter

Great Sound at Europe`s biggest Live Sound Trade Fair

NTi Audio User Forum

Sound Bite


You are welcome to meet NTi Audio at the following events:

27 - 31 May 2018
Euronoise 2018
Heraklion/Crete, Greece

06 June 2018
(German) Praxisworkshop STIPA-Messung
Berlin, Germany

06 - 08 June 2018
InfoComm 2018
Booth: C1167
Las Vegas, US

07 - 08 June 2018
Noise Congress Stuttgart 2018
Stuttgart, Germany

NTi Audio User Forum

The NTi Audio user forum is about sharing knowledge and experience in acoustic, audio and vibration measurements with other users. Log in at http://forum.nti-audio.com to join and contribute to the NTi Audio community.

Sound Bite

The "Yanny or Laurel" auditory illusion that is dividing the internet.

Watch it here.

The New York Times made a tool here so you can hear both Yanny and Laurel.

See all the past Sound Bites and interesting customer responses in our archive.

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