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

10.4.3 ACOUSTIC FREQUENCY RESPONSE
Up till now we measured using CLIO and simple cables. Now we are going to deal
with acoustic measurements. The time domain will be an essential part of our
interest. Furthermore we need to add two external devices, a microphone and a
power amplifier. Connections are shown in Fig.10.10.
INPUT (A OR B)
OUTPUT (A OR B)
CLIO
POWER AMPLIFIER
RED
BLACK
BLACK
RED
MIC-01 OR MIC-02
Figure 10.10
Please note that the connections from the amplifier to the speaker are inverting
polarity. This is on the assumption that the amplifier is non-inverting, most are so,
and you are using Audiomatica Mic-01 or Mic-02, which does invert polarity. Most
Measuring Grade Microphones also invert polarity. Remember that inverting polarity
does not change the frequency response, however it does change phase response.
Fig.10.11 shows how we placed the microphone with respect to the speaker and
also with respect to the floor.
122 10 MLS & LOG CHIRP