CLIOwin 6.5 PCI User's Manual - Audiomatica Srl

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Fig.5.5 Microphone sensitivity dialog When taking acoustical measurements, the readings and the scales will be in Pascals (Pa or dBSPL). In this case, the software will assume that you are measuring a pressure quantity and it therefore needs to know a conversion factor that defines the voltage produced by the microphone when it is measuring a certain pressure. This conversion factor is usually the sensitivity of the microphone (as found in the microphone’s calibration chart) or the sensitivity of the microphone + preamplifier chain of equipment. When working with the CLIO system there are two possible cases: a) you are using the microphone MIC-01 or MIC-02, so it is necessary to input the sensitivity of the microphone (in mV/Pa). b) you are using the PRE-01 preamplifier, it is necessary to know its internal gain; if it is 0dB then input the microphone sensitivity, if it is +20dB then input the microphone sensitivity multiplied by 10. NOTE: It is necessary to input two separate sensitivities, one for channel A and one for channel B. When it is selected the A-B balanced input configuration (see 5.7.1) the software will use the channel A sensitivity. Please refer also to 8.4.1 where it is described a procedure for assessing the sensitivity of the microphonic chain using an acoustic calibrator capable of producing 94dBSPL. It is also possible to activate the Microphone Correction check boxes; if activated the software will correct the measured curve according to the data stored in the “MICA.CAL” and “MICB.CAL” files one for each input channel. The example below shows a sample text file created to store the microphone frequency response: Freq dB Phase 1000 0 0 4000 0.25 0 8000 0.33 0 10000 0.5 0 15000 1.75 0 20000 2.5 0 NOTE: This correction will take effect in the MLS and Sinusoidal measurements only. 5.4.6 AUTOSCALE Enables autoscale. When autoscale is active the software, during measurements, determines optimum Y-scale settings. 44 Chapter 5 - <strong>CLIOwin</strong> basics
5.5 EXTERNAL HARDWARE CONTROL Enters the External Hardware Controls dialog box. This dialog box performs controls over some external hardware connected to the computer parallel port. It is possible to choose the parallel port to use and then enter the available control panels. The following figure illustrates the parallel port bits and how they are used by CLIO. 1 14 2 15 3 16 4 17 5 18 6 19 7 20 8 21 9 22 10 23 11 24 12 25 13 BIT 0 BIT 1 BIT 2 BIT 3 BIT 7 CLIOQC AMPLIFIER AND SWITCHBOX CONTROL OUTLINE ET1/ST1 CONTROL Fig.5.6 Parallel port control signals 5.5.1 CONTROLLING THE CLIOQC AMPLIFIER & SWITCHBOX Fig.5.7 CLIOQC Amplifier&Switchbox control panel This control panel helps you when you are operating the CLIOQC Amplifier&SwitchBox. You may choose the Amplifier&SwitchBox model and set the value of the internal sensing resistor to obtain maximum precision during impedance measurements (for this please refer to chapter 13). These controls are self-explaining; they are also treated in the unit's user's manual and, in this manual, everywhere else the amplifier and switchbox is used. Chapter 5 - <strong>CLIOwin</strong> basics 45
Page 1 and 2: ELECTRICAL & ACOUSTICAL TESTS User'
Page 3 and 4: CONTENTS 1 INTRODUCTION ...........
Page 5 and 6: 8.5.1 MEASURING AN INDUCTOR .......
Page 9: 1 INTRODUCTION 1.1 ABOUT THIS MANUA
Page 12 and 13: 12 Chapter 1 - Introduction
Page 14 and 15: 2.1 THE PB-4281 PC BOARD AND SC-01
Page 16 and 17: 2.2.3 THE MIC-01 (OR MIC-02) FREQUE
Page 18 and 19: 2.4 THE QCBOX MODEL 4 AMPLIFIER & S
Page 20 and 21: Figure 3.1 2) 2 x Stereo mini jack
Page 22 and 23: 3.3 HARDWARE REGISTRATION WITH WIND
Page 24 and 25: 3.3.2 HARDWARE REGISTRATION UNDER W
Page 26 and 27: 3.3.3 HARDWARE REGISTRATION UNDER W
Page 28 and 29: Figure 3.21 Let's now verify that t
Page 30 and 31: 3.4 SOFTWARE INSTALLATION This para
Page 32 and 33: 3.6 RUNNING CLIOWIN FOR THE FIRST T
Page 34 and 35: 3.7.1 CALIBRATION VALIDATION Figure
Page 36 and 37: 36 Chapter 3 - Installation
Page 38 and 39: 38 Chapter 4 - Troubleshooting CLIO
Page 40 and 41: 5.3 CLIOWIN DESKTOP The CLIOwin des
Page 42 and 43: It is possible to generate the foll
Page 46 and 47: 5.5.2 CONTROLLING A TURNTABLE Fig.5
Page 48 and 49: 5.6.2 ANALYSIS MENU The Analysis me
Page 50 and 51: H Enables the Hold function. Equiva
Page 52 and 53: CTRL+P Swithces on and off the micr
Page 54 and 55: 5.7.2 CONNECTING A MICROPHONE For a
Page 56 and 57: 56 Chapter 5 - CLIOwin basics
Page 58 and 59: When you find a CLIOwin data file i
Page 60 and 61: Enters the Notes dialog where it is
Page 62 and 63: 6.3.5 CALIBRATION File > Calibratio
Page 64 and 65: 6.3.7 STARTUP OPTIONS AND GLOBAL SE
Page 66 and 67: 7.3 BUTTONS AND CHECKBOXES Moves (s
Page 68 and 69: 7.6 THE MLS TIME DOMAIN DISPLAY Whe
Page 70 and 71: 8.2.1 TOOLBAR BUTTONS Starts the me
Page 72 and 73: This operating mode is very useful;
Page 74 and 75: Figure 8.7 With the Multi-meter run
Page 76 and 77: 76 Chapter 8 - Multi-Meter
Page 78 and 79: 9.2.1 TOOLBAR BUTTONS Starts an FFT
Page 80 and 81: 9.4 FFT AND RTA OPERATION The FFT a
Page 82 and 83: 9.5 AVERAGING Averaging plays a ver
Page 84 and 85: 9.6 TIME DATA DISPLAY (OSCILLOSCOPE
Page 86 and 87: 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
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utton. Any process you execute can
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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
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11.3 A BRIEF DESCRIPTION ON SETTING
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11.3.3 GATING Enabling Gating allow
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11.4 DISTORTION AND SETTINGS Sinuso
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Finally Fig.11.12 shows the distort
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12.3 WATERFALL BASICS Figure 12.2 W
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12.4 MAKING A CUMULATIVE SPECTRAL D
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Let's now change the CSD aspect aga
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Figure 12.11 12.5.3 TAKING THE MEAS
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Figure 12.17 The final result for o
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If you are novice in using CLIO or
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-10.0 CLIO dBV -30.0 -50.0 -70.0 -9
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13.4 I SENSE Requires Audiomatica C
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Figure 13.12 Lets proceed now with
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The figure shows us we are going to
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13.7 THIELE & SMALL PARAMETERS 13.7
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L 1kHz L 10kHz Inductance at 10kHz
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Now we can save our complete result
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[19] M.O. Hawksford, “Digital Sig
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CLIOwin 6.5 PCI User's Manual - Audiomatica Srl

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