KLIPPEL ANALYZER SYSTEM

Logo.gif not foundKlippel QC - Example Report

(for SPL+Impedance testing)


This example report was created using the Klippel QC system, a fast and flexible test platform for accurate and fast tests of all kind of audio related devices such as speakers, filters, sensors and much more. For more information, visit www.klippel.de.
This report can be used as template using the dB-Lab report generator. Graphics, logos and arbitrary text can be added to fully customize this report. See the dB-Lab manual for more information.



Overall Result:

FAIL

Impedance
Re
fs
Qts
Frequency Response
Average Level
Polarity
THD
2nd Harmonic
3rd Harmonic
Rub+Buzz  
Ambient Noise

Pass: 0     Fail: 1     Test: QC ExampleDatabase

Name Value Min Limit Max Limit Unit Description
Re 3.38 5.10 6.23 Ohm electrical voice coil resistance at DC
fs 129.7 68.2 92.3 Hz resonance frequency
Qts 0.80 0.47 0.64 total Q-factor
show signal characteristics (impedance)

Sound pressure exceeds working range of microphone (135 dB)
Name Value Min Limit Max Limit Unit Description
Average Level 127.1 127.3 133.3 dB average sound pressure level
Delay 0.271 - - ms total time delay between stimulus and microphone signal
Distance 9.3 - - cm distance corresponding to delay
show signal characteristics (sound pressure)

Frequency Response Chart:





Harmonic Distortion Chart:





Impedance Chart:





Settings of test:


Task Settings: Control: Start | Impedance | Sound Pressure | Control: Finish ? Limits | Loaded Scripts | Hardware

Control: Start
Routing
Output
Speaker 1
 output of Production Analyzer to use
Input
Mic 1
 input of Production Analyzer to use
Digital IO Scheme
Off
 Scheme for digital IO pin 5. For use in automated environments.
Configuration
Allow Repeat
on
 user may repeat the last measurement
Select Golden DUTs
on
 golden DUTs are selected automatically (required for limit calibration)
Allow Limit Calibration
off
 user may use golden DUT to adjust limits to changes in ambient conditions
Allow Manual Sweep
on
 user may start a manual sinusoidal sweep
Serial Number
Mode
Off
 method to determine the serial number
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Impedance
Stimulus
Signal
Multitone
Start
10.
 valid range: 1 - 20000 Hz
start frequency of exitation signal
Stop
5000.
 valid range: 1 - 20000 Hz
stop frequency of exitation signal
Time
1.
 [0.2 - 20 s] duration of exitation
Voltage (rms)
0.1
 [0 - 200 V] voltage at speaker terminals (amplifier output)
Resolution
20.
 total result points: 168
[1 - 200] excited tones per octave
Level Profile
off
 Level shaping profile: relative level and frequency;
Format: Frequency [Hz], Level [dB]
Measurements
Impedance
on
 measure impedance
Re
on
 measure electrical voice coil resistance at DC
Le
off
 measure voice coil inductance
Cmes
off
 measure electrical capacitance representing moving mass
Lces
off
 measure electrical inductance representing driver compliance
Res
off
 measure resistance due to mechanical losses
fs
on
 measure resonance frequency
Qts
on
 measure total Q-factor
Qms
off
 measure mechanical Q-factor
Qes
off
 measure electrical Q-factor
Processing
Smoothing
12.
 [1 - 99] part of octave used for impedance smoothing, no smoothing is applied if empty
Display
Impedance - Ymax
[Ohm] maximal y-axis value
Impedance - Ymin
[Ohm] minimal y-axis value
Impedance - Scale
Linear
 scale of y-axis
Custom Colors
off
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Sound Pressure
Stimulus
Start
20.
 valid range: 1 - 20000 Hz
start frequency of log sweep
Stop
2000.
 valid range: 1 - 20000 Hz
stop frequency of log sweep
Time
1.
 [0.2 - 20 s] duration of log sweep
Voltage (rms)
2.
 [0 - 200 V] voltage at speaker terminals (amplifier output)
Speed Profile
10. 1000. 1.
1000. 20000. 5.
 relative speed of log sweep.
Simple Format: f [Hz] ratio of speed
Long Format: f1 [Hz], f2 [Hz], Speed factor
Voltage Profile
off
 relative level of log sweep.
Format: Frequency [Hz], Level [dB]
Measurements
Frequency Response
on
 measure frequency response
Average Level
on
 measure average sound pressure level
Rub+Buzz
on
 measure Rub+Buzz
Polarity
on
 measure polarity
Ambient Noise
on
 measure ambient noise
THD
on
 measure THD
2nd Harmonic
on
 measure 2nd harmonic
3rd Harmonic
on
 measure 3rd harmonic
4th Harmonic
off
 measure 4th harmonic
5th Harmonic
off
 measure 5th harmonic
Processing
Resolution
20.
 total result points: 133
[1 - 200] result points per octave
Response - Smoothing
6.
 [1 - 99] part of octave used for frequency response smoothing, no smoothing is applied if empty
Level - Frequencies
*
 band or discrete frequencies used for average level calculation.
Format 1 (band): fmin, fmax
Format 2 (discrete freqs): f1; f2; f3; ...
RBz - Highpass
10.
 [5 - 100] order of tracking highpass for rub+buzz detection
RBz - Type
Peak
RBz - Meta Hearing
on
 use Meta Hearing technology for rub+buzz detection
Harmonics - Type
Relative (%)
Harmonics - Smoothing
[1 - 99] part of octave used for smoothing of harmonic distortion, no smoothing is applied if empty
Input Gain 1
0.
 [-70 - 30 dB] input gain for Mic 1 and Line 1
Input Gain 2
off
 [-70 - 30 dB] input gain for Mic 2 and Line 2
Display
SPL - Ymax
[dB] maximal y-axis value
SPL - Ymin
[dB] minimal y-axis value
Harmonics - Ymax
maximal y-axis value
Harmonics - Ymin
minimal y-axis value
Harmonics - Shift
0. 0. 0. 0.
 additional vertical shift for harmonics, no shift is applied if empty
Format: 2. Harmonic, 3. Harmonic, 4. Harmonic, 5. Harmonic
Show Ambient Noise
on
 show ambient noise level vs. frequency
Custom Colors
off
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Control: Finish
Data Logging
Summary
on
 create a summary log file that keeps the main information of all DUTs (one line per DUT)
Full Results
on
 create an individual data file for each DUT that keeps the complete measurement results
for DUTs
All
 select mode of storing complete measurement results
Target Folder
Auto
 method to determine the data logging folder
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Limits
Impedance
Calculation
Relative
 method used for limit calculation
Tolerance Mask
* 10. -10.
 accepted upper and lower variation vs. frequency
Format: Frequency [Hz], +Tolerance [percent], -Tolerance [percent]
Jitter
* 15.
 horizontal limit widening.
Format: Frequency [Hz], Widening [percent]
Re
Calculation
Relative
 method used for limit calculation
Tolerance
10.
 [percent] accepted variation
Cpk / Ppk
off
 settings for Cpk, Ppk process analysis.
Format: Cpk-PoolSize, Cpk-Limit, Ppk-Limit, PassedOnly
fs
Calculation
Relative
 method used for limit calculation
Tolerance
15.
 [percent] accepted variation
Cpk / Ppk
off
 settings for Cpk, Ppk process analysis.
Format: Cpk-PoolSize, Cpk-Limit, Ppk-Limit, PassedOnly
Qts
Calculation
Relative
 method used for limit calculation
Tolerance
15.
 [percent] accepted variation
Cpk / Ppk
off
 settings for Cpk, Ppk process analysis.
Format: Cpk-PoolSize, Cpk-Limit, Ppk-Limit, PassedOnly
Frequency Response
Alignment
Off
 vertical limit alignment
Calculation
Shift
 method used for limit calculation
Shift Mask
20. 3. -3.
1000. 3. -3.
2000. 6. -6.
 vertical shift for upper and lower limit.
Format: Frequency [Hz], +Shift [dB], -Shift [dB]
Jitter
* 10.
 horizontal limit widening.
Format: Frequency [Hz], Widening [percent]
Average Level
Calculation
Shift
 method used for limit calculation
Shift Max
3.
 [dB] vertical shift for upper limit
Shift Min
-3.
 [dB] vertical shift for lower limit
Cpk / Ppk
off
 settings for Cpk, Ppk process analysis.
Format: Cpk-PoolSize, Cpk-Limit, Ppk-Limit, PassedOnly
Rub+Buzz
Calculation
Shift
 method used for limit calculation
Shift Mask
* 6.
 vertical shift for upper limit.
Format: Frequency [Hz], +Shift [dB]
Jitter
* 20.
 horizontal limit widening.
Format: Frequency [Hz], Widening [percent]
Microphone
in Box
 position of microphone used to measure rub+buzz
Meta Hearing
Warn only
 result of test if the limit is exceeded
Polarity
Test Frequencies
* 80.
 test frequencies for polarity test.
Format: Freqency [Hz], Phase tolerance [degree]
THD
Apply settings to all harmonics
off
 use THD limit setup for 2nd-5th harmonics
Calculation
Shift
 method used for limit calculation
Shift Mask
* 6.
 vertical shift and floor for upper limit.
Format: Frequency [Hz], +Shift [dB], {opt. Floor [dB]}
Jitter
* 50.
 horizontal limit widening.
Format: Frequency [Hz], Widening [percent]
2nd Harmonic
Calculation
Shift
 method used for limit calculation
Shift Mask
* 6.
 vertical shift and floor for upper limit.
Format: Frequency [Hz], +Shift [dB], {opt. Floor [dB]}
Jitter
* 50.
 horizontal limit widening.
Format: Frequency [Hz], Widening [percent]
3rd Harmonic
Calculation
Shift
 method used for limit calculation
Shift Mask
* 6.
 vertical shift and floor for upper limit.
Format: Frequency [Hz], +Shift [dB], {opt. Floor [dB]}
Jitter
* 50.
 horizontal limit widening.
Format: Frequency [Hz], Widening [percent]
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Loaded Scripts
File Version License
Klippel/QC/Standard/imp.0001.task.kla 2.51 no license required
    SciEngine 3.2
    Klippel/QC/Library/qc.lib.kla 2.103 no license required
    Klippel/Library/sci-helper.lib.kla 2.31 no license required
    Klippel/Library/sci-perf.lib.dll 3.1.203.18 no license required
    Klippel/QC/Library/multitone.lib.kla 2.2 no license required
    Klippel/QC/Library/thiele-small.lib.kla 2.2 no license required
Klippel/QC/Standard/spl.0001.task.kla 2.53 no license required
    SciEngine 3.2
    Klippel/QC/Library/meta-hearing.lib.kla 2.1 no license required
    Klippel/QC/Library/qc.lib.kla 2.103 no license required
    Klippel/Library/sci-helper.lib.kla 2.31 no license required
    Klippel/Library/sci-perf.lib.dll 3.1.203.18 no license required
Klippel/QC/Standard/start.0001.control.kla 2.36 no license required
    SciEngine 3.2
    Klippel/QC/Library/qc.lib.kla 2.103 no license required
    Klippel/Library/sci-helper.lib.kla 2.31 no license required
    Klippel/Library/sci-perf.lib.dll 3.1.203.18 no license required
Setup Version: 2
QC Version: 203.25
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Hardware
Audio Interface
Automatic selection   on
Preserve mixer settings   on
Playback   PHASE 24 FW (0) MC Out
Capture   PHASE 24 FW (0) In 1
Sample Rate   48000 Hz

Production Analyzer
Serial Number   1100
Dongle Number   1305

Amplifier   Gain   Gain Limits   SNR   SNR Limit
Out1 ? Speaker1   29.570 (29.4 dB)   28.148 - 31.033   82.3 dB   34.0 dB

Microphone   Sensitivity   Max SPL
Mic 1   10.0   mV/Pa     135 dB
Mic 2   10.0   mV/Pa     135 dB
Line 1   50.0   mV/Pa     135 dB
Line 2   50.0   mV/Pa     135 dB
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Report generated:
  Date: 10/13/09
  Time: 12:01:24
  Username: irrgang
(c)08/2000 Klippel GmbH Germany - http://www.klippel.de/