Pop Quiz: Test Your Knowledge Of Audio Test Signals

2/01/2005 5:41 AM Eastern

Pop Quiz: Test Your Knowledge Of Audio Test Signals

  • If the steady-state test signal you hear sounds like it has more high frequencies than low frequencies, you're probably hearing pink noise.
  • When white noise is measured on an RTA, the response will be flat.
  • A sine wave tone is best for identifying loudspeaker mechanical problems.
  • Sine wave tones, sweeps, pink noise, and white noise are the only audio test signals you should ever use in sound system equalization or room response measurements.
  • Most audio engineers prefer to use pink noise as a test signal in equalization procedures because the voices embedded in white noise are distracting and seem too scary.

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