CLIOwin 6.5 PCI User's Manual - Audiomatica Srl

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13.7 THIELE & SMALL PARAMETERS 13.7.1 INTRODUCTION CLIO handles Thiele and Small Parameters, hereafter TS, as a post process of impedance measurements. Three options are available for data source, selected by the Data Origin Drop Down Control: Sinusoidal Impedance Data, Mls Impedance Data, File Data, the last created with either of the previous. There are no conceptual differences between File and the first two options, aside where the data resides. Choosing Sinusoidal or Mls, user should have one of these measurements in memory while the File Data option will prompt for file selection. Impedance measurements are therefore central topic and the previous paragraphs are an essential background. To get the full set of TS, two impedance curves are needed. The first is the loudspeaker free air impedance, the second, the impedance obtained either with Delta Mass or Delta Compliance method. The first consists in adding a suitable Known Mass to the Loudspeaker cone, the latter in loading the cone with a Known Volume. 13.7.2 T&S PARAMETERS CONTROL PANEL The User Interface is quite simple with three Buttons, one Drop Down and one Check Box. Starts a T&S Parameters procedure. See 13.7.3 for details. Delta mass T&S Parameters calculation. See 13.7.3 for details. Delta compliance T&S Parameters calculation. See 13.7.3 for details. The Drop Down allows selecting the data origin as described in the introduction. The MSE Check Box, when checked, enables a Minimum Square Error routine while calculating TS Parameters; more on this later. Aside information regarding the device tested the Control Panel displays 27 parameters. Here is what they are. 138 Chapter 13 - Measuring impedance and T&S parameters
13.7.3 GLOSSARY OF SYMBOLS F S V AS R E Q MS Q ES Q TS B·l dB SPL S D C MS M MS R MS C AS M AS R AS C MES L CES R ES R AT Resonant frequency of driver including air load Volume of air having the same acoustic compliance as driver suspension DC electrical resistance of voice coil Q of driver at F S considering mechanical losses only Q of driver at F S considering electrical resistance only Q of driver at F S considering all driver losses Motor strength, product of B times l Acoustic pressure produced by the driver at 1m when driven by 2.83 V Effective surface area of the driver cone Mechanical compliance of driver suspension Mechanical mass of driver cone assembly including air load Mechanical resistance of driver suspension losses Acoustic compliance of driver suspension Acoustic mass of driver cone assembly including reactive air load Acoustic resistance of driver suspension losses Electrical capacitance representing the driver total moving mass Electrical inductance representing the driver mechanical compliance Electrical resistance representing the driver mechanical losses 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 F S Z MAX Z AVG η 0 Impedance at F S Average of impedance modulus over the measured frequency limits Efficiency Chapter 13 - Measuring impedance and T&S parameters 139
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ELECTRICAL & ACOUSTICAL TESTS User'
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CONTENTS 1 INTRODUCTION ...........
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8.5.1 MEASURING AN INDUCTOR .......
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1 INTRODUCTION 1.1 ABOUT THIS MANUA
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12 Chapter 1 - Introduction
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2.1 THE PB-4281 PC BOARD AND SC-01
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2.2.3 THE MIC-01 (OR MIC-02) FREQUE
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2.4 THE QCBOX MODEL 4 AMPLIFIER & S
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Figure 3.1 2) 2 x Stereo mini jack
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3.3 HARDWARE REGISTRATION WITH WIND
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3.3.2 HARDWARE REGISTRATION UNDER W
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3.3.3 HARDWARE REGISTRATION UNDER W
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Figure 3.21 Let's now verify that t
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3.4 SOFTWARE INSTALLATION This para
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3.6 RUNNING CLIOWIN FOR THE FIRST T
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3.7.1 CALIBRATION VALIDATION Figure
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36 Chapter 3 - Installation
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38 Chapter 4 - Troubleshooting CLIO
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5.3 CLIOWIN DESKTOP The CLIOwin des
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It is possible to generate the foll
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Fig.5.5 Microphone sensitivity dial
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5.5.2 CONTROLLING A TURNTABLE Fig.5
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5.6.2 ANALYSIS MENU The Analysis me
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H Enables the Hold function. Equiva
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CTRL+P Swithces on and off the micr
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5.7.2 CONNECTING A MICROPHONE For a
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56 Chapter 5 - CLIOwin basics
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When you find a CLIOwin data file i
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Enters the Notes dialog where it is
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6.3.5 CALIBRATION File > Calibratio
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6.3.7 STARTUP OPTIONS AND GLOBAL SE
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7.3 BUTTONS AND CHECKBOXES Moves (s
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7.6 THE MLS TIME DOMAIN DISPLAY Whe
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8.2.1 TOOLBAR BUTTONS Starts the me
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This operating mode is very useful;
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Figure 8.7 With the Multi-meter run
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76 Chapter 8 - Multi-Meter
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9.2.1 TOOLBAR BUTTONS Starts an FFT
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9.4 FFT AND RTA OPERATION The FFT a
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9.5 AVERAGING Averaging plays a ver
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9.6 TIME DATA DISPLAY (OSCILLOSCOPE
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10.2.1 TOOLBAR BUTTONS Starts an ML
Page 88 and 89: 10.2.4 MLS POST-PROCESSING TOOLS Lo
Page 90 and 91: 10.4 MEASURING FREQUENCY RESPONSE I
Page 92 and 93: 150.0 CLIO 180.0 150.0 CLIO 180.0 O
Page 94 and 95: MLS Menu, select dBSPL as Y scale u
Page 96 and 97: 10.4.4 PHASE & GROUP DELAY We used
Page 98 and 99: 110.0 CLIO 7.50 dBSPL ms 100.0 6.00
Page 100 and 101: 10.5 OTHER TIME DOMAIN INFORMATION
Page 102 and 103: utton. Any process you execute can
Page 104 and 105: 104 Chapter 10 - MLS
Page 106 and 107: 11.2.1 TOOLBAR BUTTONS Starts the s
Page 108 and 109: Stepped is also not checked. Typica
Page 110 and 111: 11.3 A BRIEF DESCRIPTION ON SETTING
Page 112 and 113: 11.3.3 GATING Enabling Gating allow
Page 114 and 115: 11.4 DISTORTION AND SETTINGS Sinuso
Page 116 and 117: Finally Fig.11.12 shows the distort
Page 118 and 119: 12.3 WATERFALL BASICS Figure 12.2 W
Page 120 and 121: 12.4 MAKING A CUMULATIVE SPECTRAL D
Page 122 and 123: Let's now change the CSD aspect aga
Page 124 and 125: Figure 12.11 12.5.3 TAKING THE MEAS
Page 126 and 127: Figure 12.17 The final result for o
Page 128 and 129: If you are novice in using CLIO or
Page 130 and 131: -10.0 CLIO dBV -30.0 -50.0 -70.0 -9
Page 132 and 133: 13.4 I SENSE Requires Audiomatica C
Page 134 and 135: Figure 13.12 Lets proceed now with
Page 136 and 137: The figure shows us we are going to
Page 140 and 141: L 1kHz L 10kHz Inductance at 10kHz
Page 142 and 143: Now we can save our complete result
Page 144: [19] M.O. Hawksford, “Digital Sig
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CLIOwin 6.5 PCI User's Manual - Audiomatica Srl

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