CLIOwin 7 PCI User's Manual - Audiomatica

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RTU [s]. Reverberation time evaluated from a user defined dynamic range; refer to 15.3 acoustical parameters settings. See also below the correlation coefficient R associated with RTUser. R(RT). Each reverberation time estimation (RT20, RT30 and RTU) has associated a negative number which is the correlation coefficient R showing how closely the corresponding decay curve fits a straight line. A value of -1 gives a perfect linear fit. When the correlation coefficient is smaller than -0.95 the RT value should be viewed with suspect as the decay curve may not be sufficiently linear; direct inspection of the decay curve with markers should be carried out. 182 Chapter 15 - Acoustical Parameters
15.5 NOTES ABOUT ACOUSTICAL PARAMETERS MEASUREMENT This paragraph gives some guidelines that should be followed while executing the measurement of the impulse response of rooms; what said here should be considered together the general procedure that is described in chapter 10 for executing MLS measurements. The sound source shall be as omni-directional as possible. Maximum acceptable deviation from omni-directionality should not be higher than ±1dB up to 500Hz, ±3dB at 1kHz, ±5dB at 2kHz, ±6dB at 4kHz when excited with octave bands noise and measured in a free field. Regarding measurement positions it is important to execute an adequate number of measurements with different source and receiver positions to characterize the entire room. For large auditoria a number of measurements from 6 to 10 in dependance of the number of seats (from 500 to 2000) should be carried out. The microphone should be placed at a height of 1.2m above the floor at audience seat locations to be representative of listener’s ear height. Chapter 15 - Acoustical Parameters 183
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ELECTRICAL & ACOUSTICAL TESTS User'
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CONTENTS 1 INTRODUCTION ...........
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7.10 SIGNAL FILES .................
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14.1 INTRODUCTION .................
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AUDIOMATICA’S WARRANTY Audiomatic
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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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2) 2 x Stereo mini jack to two RCA
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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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3.9 TROUBLESHOOTING CLIO INSTALLATI
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4.3 CLIOWIN DESKTOP The CLIOwin des
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4.5 HARDWARE CONTROLS TOOLBAR 4.5.1
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4.5.4 MICROPHONE CONTROL Switches C
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4.6.2 CONTROLLING A TURNTABLE Fig.4
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4.7.2 ANALYSIS MENU The Analysis me
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Fig. 4.16 Sinusoidal Submenu Fig. 4
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4.7.3 CONTROLS MENU The Controls Me
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4.8 BASIC CONNECTIONS In order to c
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4.8.3 CONNECTING THE CLIOQC AMPLIFI
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T&S parameters data files. Wow&Flut
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Invokes the Autosave Settings dialo
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5.3.4 PRINTING Enters the Notes dia
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customize up to 6 different color s
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5.7.1 SAVING MEASUREMENT SETTINGS M
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6.3 BUTTONS AND CHECKBOXES Moves (s
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6.6 THE MLS TIME DOMAIN DISPLAY Whe
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The following figure shows a 1031.2
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7.4 MULTITONES It is possible to ge
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7.6 MLS It is possible to generate
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7.8 The following figure shows a 20
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The following figure shows the same
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For comparison with Pink noises the
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The following figure shows a msampl
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84 Chapter 7 - Signal Generator
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8.2.1 TOOLBAR BUTTONS Starts the me
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This is substantially the measureme
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With the Multi-meter running, fit t
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8.6 INTERACTION BETWEEN THE MULTI-M
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9.2.1 TOOLBAR BUTTONS, DROP DOWN LI
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9.4 FFT SETTINGS DIALOG Fig. 9.2 Th
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A better approach is to center the
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it is necessary to remove the fligh
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80.0 CLIO dBSPL 70.0 60.0 50.0 40.0
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9.10 “LIVE” TRANSFER FUNCTION A
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Another factor of maximum importanc
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The last obstacle you may find whil
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10.2.1 TOOLBAR BUTTONS Starts an ML
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Amplifier & SwitchBox Model 2,3 and
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10.4 MEASURING FREQUENCY RESPONSE I
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150.0 CLIO 180.0 150.0 CLIO 180.0 O
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speaker we are testing is a gloriou
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10.4.4 PHASE & GROUP DELAY We used
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etween true phase, as in Fig.10.22,
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10.5 OTHER TIME DOMAIN INFORMATION
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utton. Any process you execute can
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10.7 MLS Vs. LOG CHIRP As anticipat
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10.8 RELATED MENUS The dual domain
Page 132 and 133: Display fifth harmonic distortion,
Page 134 and 135: Gating (Acquisition) Settings Gated
Page 136 and 137: 11.3 A BRIEF DESCRIPTION ON SETTING
Page 138 and 139: 11.3.3 GATING Enabling Gating allow
Page 140 and 141: 11.4 DISTORTION AND SETTINGS Sinuso
Page 142 and 143: Finally Fig.11.12 shows the distort
Page 144 and 145: 12.2 WATERFALL AND DIRECTIVITY CONT
Page 146 and 147: 12.3.2 WATERFALL OPERATION As alrea
Page 148 and 149: Figure 12.5 One powerful way to ins
Page 150 and 151: 12.5 DIRECTIVITY SPECIFIC CONTROLS
Page 152 and 153: 12.6 MEASURING AND REPRESENTING LOU
Page 154 and 155: 12.6.4 REPRESENTING POLAR DATA To r
Page 156 and 157: 156 Chapter 12 - Waterfall and Dire
Page 158 and 159: If you are a novice in using CLIO,
Page 160 and 161: life harder even if more interestin
Page 162 and 163: 13.4 I SENSE This requires Audiomat
Page 164 and 165: 0.0 CLIO 180.0 dBV Deg -10.0 108.0
Page 166 and 167: CLIO INPUT A INPUT B OUTPUT A OUTPU
Page 168 and 169: 13.7 THIELE & SMALL PARAMETERS 13.7
Page 170 and 171: L 1kHz L 10kHz Inductance at 1kHz I
Page 172 and 173: We can now save our complete result
Page 174 and 175: The graphs refers to a linearity me
Page 176 and 177: DIN measures Intermodulation distor
Page 178 and 179: 15.2.1 TOOLBAR BUTTONS AND DROP DOW
Page 180 and 181: 15.3 ACOUSTICAL PARAMETERS SETTINGS
Page 184 and 185: 184 Chapter 15 - Acoustical Paramet
Page 186 and 187: 16.2.1 TOOLBAR BUTTONS AND DROP DOW
Page 188 and 189: 16.3 Leq SETTINGS Time resolution S
Page 190 and 191: 17.3 FEATURES Figure 17.2 Aside a s
Page 192 and 193: 192 Chapter 17 - Wow & Flutter
Page 194 and 195: [20] D. Clarke, “Precision Measur
Page 196: 196 Norms
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CLIOwin 7 PCI User's Manual - Audiomatica

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