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XL2 Measures the Frequency Spectrum of Audio Signals
With the introduction of dBu, dBV and volt measurement units, the XL2 Analyzer is now able to determine the spectrum of audio devices. By measuring the frequency response as well as the intrinsic noise spectrum of an audio device, the XL2 has consolidated its leading position as a powerful handheld audio analyzer.
The detailed analysis of the frequency spectrum of audio signals in dBu , dBV, or volts is available with the standard XL2 instrument in octave, third-octave and linear FFT resolutions.
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Room Noise Criterion (RNC) Measurement with XL2 Analyzer
The XL2 Audio and Acoustic Analyzer is the first handheld instrument providing on-site results of the Room Noise Criterion (RNC).
Room Noise Criterion measurements are recommend if the ambient noise contains modulated or fluctuating noise components in the low frequency range, such as those generated by heating and venting systems (HVAC). Fluctuating low frequency noise is annoying to the persons in the room, thus an annoyance penalty is given when measuring noise curves.
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XL2 Analyzers at Southampton Solent University
Southampton Solent University is well equipped with no less than ten XL2 Audio and Acoustic Analyzers, each installed with the Extended Acoustic Pack option. Katri Ingram BSc (Hons) Sound Engineering, an Acoustics Technician at Solent Acoustics, discusses how the XL2 is used for education and consultancy work:
"We often use the XL2s for festival noise monitoring, as well as for a variety of classroom activities on our undergraduate programme, and also in some of our postgraduate and professional courses. As the XL2s have a good number of functions, they are good teaching aids, particularly as they are relatively easy to use, and have a clear display."
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