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How does the intensity of pink noise change as the frequency rises?

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How does the intensity of pink noise change as the frequency rises?

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Pink noise contains all frequencies from 20 Hz to 20 kHz with a random distribution of strength and a level that is reduced 3dB per octave. In other words the intensity of pink noise at 2 kHz is 3 dB below 1 kHz and at 4 kHz 6 dB below 1 kHz. We use pink noise for speaker level adjustment because the distribution of signal intensity is similar to music, where the information of the lower frequencies is greater than that of higher frequencies.

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