User`s manual
Table Of Contents
- CONTENTS
- 1 INTRODUCTION
- 2 THE CLIO SYSTEM
- 3 CLIO INSTALLATION
- 3.1 MINIMUM PC CONFIGURATION
- 3.2 FW-01 DRIVERS INSTALLATION UNDER WINDOWS XP
- 3.3 FW-01 DRIVERS INSTALLATION UNDER WINDOWS VISTA AND 7
- 3.4 SOFTWARE INSTALLATION
- 3.5 THE 'CLIO BOX'
- 3.6 RUNNING CLIO FOR THE FIRST TIME
- 3.7 SYSTEM CALIBRATION
- 3.8 CLIO SERIAL NUMBER AND DEMO MODE
- 3.9 TROUBLESHOOTING CLIO INSTALLATION
- 4 CLIO BASICS
- 5 SYSTEM OPERATIONS AND SETTINGS
- 6 COMMON MEASUREMENT INTERFACE
- 7 SIGNAL GENERATOR
- 8 MULTI-METER
- 9 FFT, RTA AND “LIVE” TRANSFER FUNCTION
- 10 MLS & LOG CHIRP
- 11 SINUSOIDAL
- 12 WATERFALL , DIRECTIVITY & 3D
- 12.1 INTRODUCTION
- 12.2 WATERFALL, DIRECTIVITY & 3D CONTROL PANEL
- 12.3 WATERFALL SPECIFIC CONTROLS
- 12.4 MAKING A CUMULATIVE SPECTRAL DECAY
- 12.5 DIRECTIVITY SPECIFIC CONTROLS
- 12.6 MEASURING LOUDSPEAKER SINGLE POLAR DATA (1D MODE)
- 12.7 REPRESENTING SINGLE POLAR DATA
- 12.8 3D SPECIFIC CONTROLS
- 12.9 MEASURING LOUDSPEAKER SINGLE POLAR DATA (3D MODE)
- 12.10 MEASURING FULL SPHERE LOUDSPEAKER POLAR DATA (3D MODE)
- 12.11 REPRESENTING 3D BALLOON DATA
- 12.12 EXPORT 3D BALLOON DATA
- 13 MEASURING IMPEDANCE AND T&S PARAMETERS
- 14 LINEARITY & DISTORTION
- 15 ACOUSTICAL PARAMETERS
- 16 Leq LEVEL ANALYSIS
- 17 WOW AND FLUTTER
- 18 WAVELET ANALYSIS
- BIBLIOGRAPHY
- NORMS

Audiomatica Srl Sinusoidal 04/07/2001 11.40.10
CH A dBV Unsmoothed Stepped Delay [ms]: 0.000 Dist Rise [dB]: 30.00 File: ciresult.sini
10 100 1k 10k 20k10 Hz
50.0
Ohm
180.0
Deg
40.0 108.0
30.0 36.0
20.0 -36.0
10.0 -108.0
0.0 -180.0
CL IO
Figure 13.19
13.6 IMPEDANCE: SINUSOIDAL OR MLS
Up to now we have almost always used Sinusoidal to perform Impedance
Measurements. When MLS has been used, it was to point out problems. We also
stated Sinusoidal is the preferred choice. The inexperienced user might ask why the
MLS Menu has impedance measuring capability at all. In fact MLS yields accurate
Impedance Measurements. It is, however, less likely to forgive errors and/or
measuring set-up problems of any kind. Users, however, should always take the
maximum effort to avoid these situations anyway. Furthermore MLS has several
advantages over Sinusoidal. The most evident is execution time which is
significantly better, even using big sizes, which, by the way, is always advisable. It
can measure down to 1Hz while Sinusoidal stops at 10Hz. Its high sensitivity to
even weak non-linearity can be used to reveal even small rub & buzz problems,
directly from the impedance measure. We advise you to use Sinusoidal
measurement techniques initially until you become more experienced with CLIO.
After which everyone will be able to form an opinion based on personal experience.
13 MEASURING IMPEDANCE AND T&S PARAMETERS 191