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Home enSupportKnow-How

Know-How

Gain basic and advanced knowledge about sound, acoustic, audio and vibration measurements.

Topics

Acoustics and Audio Basics
  • Fractional Octave Band Filter
  • Let`s clear up some things about Sweeps
  • What is a Sound Level Meter?
  • What are LAeq and LAFmax?
  • Can the mean value of a sound level be greater than its maximum value?
  • Fast, Slow, Impulse Time Weighting - What do they mean?
  • Frequency-Weightings for Sound Level Measurements
  • How to calculate Sound Level into Volt?
  • Anechoic Acoustic Measurements in a Reverberant Environment
  • Fast Fourier Transformation FFT
  • Distortion THD
  • What are Noise Curves?
  • Haas Effect
  • How do we measure Speech Intelligibility STI?
Audio Interfaces
  • How to Test Bluetooth Devices
Noise Monitoring
  • NoiseScout - Unattended Noise Monitoring
  • How are Percentile Statistics measured?
  • What is Noise and how can you combat it?
Room & Building Acoustics
  • Clap hands to get a feeling for the RT60 value
XL2
  • Can I perform type-approved measurements with the XL2 and an attached microphone?
  • Did you know that the XL2 provides report configuration after your measurement?
  • Can I operate the measurement microphones with 24V phantom power?
  • Is the XL2 a type approved sound level meter?
  • How can I convert my XL2 into a Type Approved XL2-TA?
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