Rub & Buzz and Other Irregular Loudspeaker ... - Klippel GmbH
Rub & Buzz and Other Irregular Loudspeaker ... - Klippel GmbH
Rub & Buzz and Other Irregular Loudspeaker ... - Klippel GmbH
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Exploiting all Symptoms of the Defect<br />
SPL<br />
fundamental<br />
2nd<br />
3rd<br />
Regular<br />
distortion<br />
4th<br />
High-pass filtered<br />
symptoms <strong>and</strong> noise<br />
SPL<br />
f<br />
Symptoms of<br />
defects<br />
noise level<br />
frequency<br />
High-pass Filter<br />
cut-off frequency f c > 10f<br />
SPL<br />
Comb Filter<br />
Order n > 10th<br />
frequency<br />
Deterministic part<br />
(higher-order harmonics)<br />
<strong>Klippel</strong>, <strong>Rub</strong> & <strong>Buzz</strong> <strong>and</strong> <strong>Other</strong> <strong>Irregular</strong> <strong>Loudspeaker</strong> Distortion, 44<br />
SPL<br />
Inverse Comb Filter<br />
frequency<br />
R<strong>and</strong>om part<br />
(non-harmonics)
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