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SPL Measurement


NVH Analyzer Lite

Measurement microphone software for professional use in education, development and industry.

  • Microphone calibration with sound calibrator, or input of microphone sensitivity.
  • According to IEC 61672-1 weighting filters A, C and Z | time weighting: ‘Fast’, ‘Slow’, ‘Impulse’.
  • Demonstration of the software with USB measurement microphone
  • Calibration with microphone calibrator Svantek SV30A .

Sound Pressure Level Measuring Software


NVH Analyzer Lite functions

  • FFT block size 101 to 51201
  • FFT line resolution 0.366 Hz @ 48 kHz / 51201
  • FFT averaging linear, peak hold
  • Sum level Band limit – adjustable
  • Weighting Slow, Fast, Pulse
  • Weighting filters Lin, A, C
  • High-pass- Low-pass filter adjustable
  • Time domain sound level
  • Time domain sound level A-filter
  • 1/3 octave spectrum
  • 1/3 octave T-AVG

Listening to the measurement data via the PC speaker after recording is possible.

Here more information about NVH Analyzer Lite

Noise measurement with DASYLab

Independent of the used measurement hardware the acoustics measurement module calibrate microphones with DASYLab according to DIN IEC 60 651 and DIN IEC60 804.

The common used weighting filters S, F, I, Leq, A, B, C and Lin Z are available as well as a 10Hz high pass filter so that even with a sound card it is possible to measure according to the standards.

Here you get more detailed informations

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