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
13.7.3 GLOSSARY OF SYMBOLS
F
S
Resonant frequency of driver including air load
V
AS
Volume of air having the same acoustic compliance as driver
suspension
R
E
DC electrical resistance of voice coil
Q
MS
Q of driver at Fs considering mechanical losses only
Q
ES
Q of driver at Fs considering electrical resistance only
Q
TS
Q of driver at Fs considering all driver losses
B·l Motor strength, product of B times l
dB
SPL
Acoustic pressure produced by the driver at 1m when driven
driven by 2.83 V
S
D
Effective surface area of the driver cone
C
MS
Mechanical compliance of driver suspension
M
MS
Mechanical mass of driver cone assembly including air load
R
MS
Mechanical resistance of driver suspension losses
C
AS
Acoustic compliance of driver suspension
M
AS
Acoustic mass of driver cone assembly including reactive air
load
R
AS
Acoustic resistance of driver suspension losses
C
MES
Electrical capacitance representing the driver total moving
mass
L
CES
Electrical inductance representing the driver mechanical
compliance
R
ES
Electrical resistance representing the driver mechanical losses
R
AT
Total acoustic resistance of driver
R
MT
Total mechanical resistance of driver (suspension losses +
electrical reflected)
M
MD
Mechanical mass of driver cone assembly excluding air load
Z
MIN
Minimum impedance in the frequency range above Fs
Z
MAX
Impedance at Fs
Z
AVG
Average of impedance modulus over the measured frequency
limit
sη
0
Efficiency
L
1kHz
Inductance at 1kHz
L
10kHz
Inductance at 10kHz
13 MEASURING IMPEDANCE AND T&S PARAMETERS 193