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Rub and Buzz – QuantAsylum
https://quantasylum.com/blogs/news/rub-and-buzz
Rub and Buzz. QA401 release version 1.81 (located HERE) adds speaker Rub and Buzz testing in the form of a plug-in. Rub and Buzz refers to a speaker test that can detect the presence of higher frequency harmonic products produced in response to a low-frequency stimulus. The test is effective at finding a range of speaker defects, including ...
Rub & Buzz and Impulsive Distortion - Klippel
https://klippel.de/know-how/measurements/nonlinear-distortion/rub-buzz-and-impulsive-distortion.html
Module. Comment . Sound Pressure Task (SPL) Sound Pressure and Impedance Task (SPL-IMP) The SPL Tasks provide peak or rms value of the higher-order harmonics above a user-defined order (> 6 th order) measured in the time domain which is a sensitive characteristic for Rub & Buzz and for other impulsive distortions. The peak value is recommended to detect loose …
Raising the Bar for Rub & Buzz Defect Detection - Audio ...
https://www.ap.com/news/raising-the-bar-for-rub-buzz-defect-detection/
Rub-related noises occur when the speaker cone is off-center or canted and thus mechanically rubs when it moves to create sound. Buzz defects occur when loose particulate matter—chipped magnet material, bits of glue, etc.—are trapped in the gap between the speaker’s voice coil and the cone. Air leaks are commonly perforations in the ...
Audio Precision Raises the Bar for Detecting Rub & Buzz ...
https://magneticsmag.com/audio-precision-raises-the-bar-for-detecting-rub-buzz-defects/
Audio Precision Raises the Bar for Detecting Rub & Buzz Defects. If magnet material chips loose during the manufacture of speakers it can cause what audio designers call a “buzz defect”. This can be an onerous problem to detect but new software from instrument maker Audio Precision raises the bar for doing so.
Rub and Buzz Effects - NI Community
https://forums.ni.com/t5/Community-Documents/Rub-and-Buzz-Effects/ta-p/3503535
Rub and Buzz Analysis VI; Add this rub and buzz measurement VI into your application to calculate the rub and buzz percentage of your audio system components. The VI utilizes THD and harmonic analysis data from the THD VI in the NI Sound and Vibration Measurement Suite and NI Sound and Vibration Toolkit. Users can configure the minimum and ...
Audio Precision Adds Rub & Buzz and Leak Detection for ...
https://www.ap.com/news/press-releases/audio-precision-adds-rub-buzz-and-leak-detection-for-comprehensive-electro-acoustic-test/
APx Rub & Buzz. APx Rub & Buzz is a fast, effective test for common loudspeaker defects such as misaligned voice coils or particles trapped in the magnetic gap. A chirp stimulus is used to drive the speaker under test over its full frequency range, while the analysis captures high crest-factor defects that common audio tests cannot detect.
Rub and Buzz Measurement (DAQmx) - NI Community
https://forums.ni.com/t5/Example-Code/Rub-and-Buzz-Measurement-DAQmx/ta-p/3996093
Rub and Buzz Analysis VI Add this rub and buzz measurement VI into your application to calculate the rub and buzz percentage of your audio system components. The VI utilizes THD and harmonic analysis data from the THD VI in the NI Sound and Vibration Measurement Suite and NI Sound and Vibration Toolkit. Users can configure the minimum and ...
Acoustical Noise Problems in Production Test and ...
https://www.nordictestforum.org/files/slides09/NTF09_s6.3.pdf
TV cabinet rattling, when sound is set to a certain level Rub & buzz issues in loudspeakers are most annoying, since a loudspeaker is intended to amplify quality sound and not irritating noise. Etc. 6 Common Loudspeaker Type • A common type of driver uses a lightweight diaphragm, or cone, connected to a
Loudspeaker – Rub and Buzz - Morset Sound Development
http://www.winmls.com/Applications/Wizards/Loudspeaker_Rub%20and%20Buzzen%20-%20English.html
Note: Some sound cards give high HD values if used at very high input/output volumes. If this is the case, reduce the input/output volume. ... should be included as shown in the figure. Including more harmonics will normally not improve the result. For detecting Rub'N'Buzz, include the higher order harmonics and not the 2nd and 3rd.
CLEAR Algorithm for Perceptual Rub & Buzz …
https://www.listeninc.com/products/soundcheck-software/clear-algorithm-for-perceptual-rub-buzz-measurement/
True Perceptual Rub & Buzz: The CLEARTM Algorithm is a true perceptual Rub & Buzz algorithm. Based on well-proven psychoacoustic principles, it accurately replicates the human ear using mathematical models found in MP3 encoders that mimic the way that both the ear and the brain interpret sound.
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