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Application Notes

With over 25 years of audio measurement experience, our engineering team has created a wide range of scientific and technical papers, educational resources, and other useful information to assist you in your daily work and are helpful for your audio test needs. This also includes the practical Application Notes for your measurement process. Please browse the collection below. 

Find the PDF specifications for download at product sites, please go to Our Products.

Title

Additional Data

R&D Modules

QC Modules

AN01_Optimal Voice Coil Rest Position 

 

LSI

MSC

AN02_Separating Spider and Surround 

Matlab File

LSI

 

AN03_Adjusting the Mechanical Suspension 

 

LSI

 

AN04_Measurement of Peak Displacement Xmax (performance-based method) 

 

DIS

 

AN05_Displacement Limits due to Driver Nonlinearities 

 

LPM, LSI

(MSC)

AN06_Measurement of Amplitude Modulation 

 

DIS

 

AN07_Measurement of Weighted Harmonic Distortion HI-2 

 

DIS

Hi-2

AN08_3D Intermodulation Distortion Measurement 

 

DIS

 

AN09_3D Harmonic Distortion Measurement 

 

DIS

 

AN10_AM and FM Distortion in Speakers 

 

DIS

 

AN11_Check for Dominant Flux Modulation

 

DIS

 

AN12_Causes for Amplitude Compression 

 

DIS

 

AN13_Dynamic Generation of DC Displacement 

 

DIS

(DCX) 

AN14_Motor Stability 

 

DIS

 

AN15_Checking for Compliance Asymmetry 

 

DIS

(MSC)

AN16_Multi-tone Distortion Measurement 

Example Data

MTON

MTD

AN18_Thermal Parameter Measurement 

 

PM8, PWT

 

AN19_Measurement of Nonlinear Thermal Parameters 

Calculation Excel File

PM8, PWT

 

AN20_Measurement of Equivalent Input Distortion 

 

TRF

(SPL)

AN21_Reduce Distortion by Shifting Voice Coil 

 

SIM, LSI

(MSC) 

AN22_Rub & Buzz Detection without Golden Unit 

 

TRF-Pro

(SPL) 

AN23_Rub & Buzz Detection with Golden Unit 

 

TRF-Pro

(SPL, MHT) 

AN24_Measuring Telecommunication Drivers 

 

LPM, LSI, DIS, TRF-Pro

 

AN25_Maximizing LPM Accuracy 

 

LPM

 
AN26_Nonlinear Stiffness of Suspension Parts SPM 
AN27_Power Test of Loudspeakers with Crossover PWT 
AN28_Evaluation of Loudspeaker Protection System PWT, DIS 

AN29_Long Term Monitoring

Example Data and Template

PWT

 

AN30_Scanning Rectangular Speakers 

 

SCN, TRF

 

AN31_Cone Vibration and Radiation Diagnostics 

 

SCN, TRF

 

AN32_Effective Radiation Area S

 

TRF, SCN

 

AN33_EIA Distortion Test 

 

TRF

 

AN34_Mean SPL in a Stated Frequency Band 

 

TRF

(SPL) 

AN35_Effective Frequency Range 

 

TRF

 

AN36_Characteristic Harmonic Distortion 

 

TRF

 

AN37_Characteristic Modulation Distortion 

 

DIS

 

AN38_Nearfield Measurement with Multiple Drivers and Port 

 

TRF

 

AN39_Merging Near and Farfield Measurements 

 

TRF

 

AN40_Smoothness of Amplitude Response 

 

TRF, DIS

 

AN41_Measurement at Defined Terminal Voltage 

 

TRF

 

AN42_Tolerances of Resonance Frequency 

 LPMIMP, TSX

AN43_Data Extraction and Post Processing 

Example DataAll ModulesAll Modules

AN44_Creating Automated Reports Using VBS 

Example Data

All Modules

All Modules

AN45_Optimal QC Setup for Fixed Measurement Time 
 

AN45 Software download  

All Modules

AN46_Test Enclosure for QC

AN46 Software download All Modules

AN48_Yield Statistics

Example Data

 

All Modules

AN49_Extended Creep Modeling LPM(TSX)
AN50_Multipoint Parameter Fitting and Load Separation LPM, MMT 
AN51_QC Custom Installation  All Modules

AN52_KLIPPEL Result Export to VACS

Example Data

dB-Lab (R&D+QC)All Modules
AN53_Fast Quality Contol of Suspension Parts (SPM Lite, MSPM)LST
AN54_Directivity Measurement with Turntables POL 

AN55_FEA/BEA Interface for SCN (deprecated)

 SCN

 

AN57_Passive Radiator Measurement SPM-Lite, SIM(LST)

AN59_Power Test with Bypassed Stimulus from CD

Example Data and TemplatePWT 
AN62_On-line Input Equalization  SPL, SPL-IMP, SAN
AN64_Housing Ground Check  IMP, SPL-IMP
AN65_Linking Large Signal Testing between QC and R&D  LSIMSC
AN66_FEA2SCN Interpolation for SCN SCN 

AN67_Auralisation of Signal Differences (deprecated)

Example DataDIF-AURDIF-AUR
AN68_Importing Polytec Data into SCNExample DataSCN 
AN69_Far Field Measurement Using Microphone Arrays POL 
AN70_Directivity of Speaker Arrays NFS 
AN72_Testing Wireless Audio Devices with Klippel R&D System TRF, TBM, DIS 
AN73_QC Headphone Testing  All Modules
AN74_Acceleration Measurement Using a Laser Displacement SensorExample DataTRF, (PPP) 
AN76_QC Testing of Wireless Audio Devices  EXD, SYN, SAN, ALD, SPL
AN77_Using Label Printers with KLIPPEL QCExample Data All Modules
AN79a_QC of Sound Reinforcement Equipment TFAALD, SPL, IMP, STAT, PNI

AN79b_Efficient, Mobile Quality Assurance of PA Speakers

Sequence Templates
(On Request)		 SPL, IMP, MTD, ALD, SYN,
(MSC), QC Stand-alone
AN80_Rocking Mode Analysis on Headphone Transducers RMA 
AN81_Connecting Klippel QC and WATSVideoTutorial  
AN82_Optimizing Transducer Design for KLIPPEL Controlled Sound    

AN1001_Working with Setup Templates 

 dB-Lab

dB-Lab