Objective Assessment of Tonal and Impulsive Noise

 
Perception of sound as melodic or just-a-noise depends on the listener; a lover of Mozart and Bach may feel that the heavy metal music at an Iron Maiden concert is noise. Conversely, very few die-hard rock fans would find themselves at a classical music concert. The passionate petrol-head is ok with a passing group of motorbikes; the local residents perhaps rather not. In short, what is noise and what is sound depends very much on the individual. The XL2 Sound Level Meter can measure for the objective assessment of noise according to the ISO 1996 standard.

Despite the varying perceptions of individuals, there is a general measure of noise and annoyance that assists in resolving disputes and limits; the Rating Level L_r. This essentially consists of the time-equivalent continuous sound level L_Aeq and adds penalties for prominent tones or impulses that could cause increased annoyance.

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Pori Jazz Festival in Finland measures with NTi Audio

 
The famous Pori Jazz Festival benefits from the attractive environment of the picturesque Kirjurinluoto park in the heart of the city of Pori, Finland. With this central location, surrounded by residential quarters, the city authorities apply rules that limit sound pollution. The local organizers remotely monitored and recorded the sound levels with the NTi Audio NoiseScout solution.

Pori Jazz is one of the pioneering music festivals in Finland. The very first Pori Jazz took place in July 1966 and it has since been held annually, offering a versatile and high-quality music program within a unique atmosphere.

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Pori Jazz Festival in Finland measures with NTi Audio

Complete Event Monitoring with the XL2 Sound Level Meter

XL2 Firmware V4.20

Sound Bite

Meet NTi Audio at the following Events:

10 July 2019
Smart Devices Testing Seminar with the FX100 Audio Analyzer
Tokyo, Japan

21 - 24 Aug. 2019
BIRTV2019
Booth No. 2036
Beijing, China

26 - 28 Aug. 2019
NOISE-CON 2019
Sheraton San Diego Hotel and Marina
San Diego, US

28 Aug. 2019
NTi China Customer Workshop
Suyuan Hotel Suzhou, China

09 - 13 Sep. 2019
ICA 2019
Booth: 22
Aachen, Germany

13 - 15 Sep. 2019
2019 NCAC Annual Meeting
National Council of Acoustic Consultants
Atlanta, US

Complete Event Monitoring with the XL2 Sound Level Meter

Open air music events are especially popular in summer. A good sound should be balanced but not too loud, to avoid possible hearing damage in the audience and not disturb the neighbors. The XL2 Sound Level Meter offers the professional measuring solution for live sound events. With the recently-introduced enhancements to the Projector PRO software and the NoiseScout platform, the live sound levels can be seen easily at the Front of House and by the concert organizer, the audience and neighbors alike.

The XL2 Sound Level Meter is ideal for monitoring sound levels at events according to standards. Before the event, the position in the audience area that will receive the highest sound levels can be quickly found, and the level difference to the measuring position determined. This means that the FOH technician can have the maximum sound pressure level in the entire public area under control at all times.

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The new XL2 Firmware V4.20 extends the XL2 Sound Level Meter with the following features:

Overview of new features.

Download Firmware V4.20 here.

In Hollywood, everything is magic and make-believe. Foley is the art of sound; it is the art of creating sounds that are in sync with what is happening on the screen.

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