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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SPL<br />
Defects Masked by Regular Nonlinearities<br />
@ 5 Volt stimulus<br />
fundamental<br />
Regular<br />
distortion<br />
order > 10<br />
Symptoms of<br />
defects<br />
frequency<br />
SPL<br />
fundamental<br />
Where are the limits of a human tester ?<br />
@ 10 Volt stimulus<br />
Regular distortion<br />
Symptoms<br />
of defects<br />
order > 50<br />
frequency<br />
• Symptoms of some defects have almost constant energy<br />
• Distortion of regular nonlinearities rise with amplitude<br />
• Defects are masked (become inaudible at higher amplitudes)<br />
• Increasing high-pass frequency less energy noise problems<br />
<strong>Klippel</strong>, <strong>Rub</strong> & <strong>Buzz</strong> <strong>and</strong> <strong>Other</strong> <strong>Irregular</strong> <strong>Loudspeaker</strong> Distortion, 46
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