CLIO Pocket Survival Guide
Contents
1. Read out privacy policy Can Windows connect to Windows Update to search for software ves this time only C 3 Yes now and every time connect a device No not this time Click Next bo continue The wizard will direct you while installing the two drivers needed You should Install from a specific location and point to the driver folder for XP on the CD usually Windows Driver XP and then answer Continue Anyway to the prompt about Windows Logo testing 1 CLIO POCKET INSTALLATION 9 Found New Hardware Wizard Please choose your search and installation options Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found will be installed Search removable media floppy CD ROM Include this location in the search E WindowsSDriverPAChoPkt Driver v208 30 Don t search will choose the driver to install Choose this option to select the device driver from a list Windows does not guarantee that the driver you choose will be the best match for your hardware At the end please refer to above 2 2 and inspect Device Manager to verify proper installation of the drivers 10 1 CLIO POCKET INSTALLATION CLIO POCKET SURVIVAL GUIDE 1 4 SOFTWARE INSTALLATION UNDER WINDOWS This paragraph deals with software installation Be sure to have administrative rights when i2. CLIO ELECTRICAL amp ACOUSTICAL TESTS OO CLIO Pocket CAS INPUT lk Hz 2k Clio Pkt 48000Hz FFT dBV 48kHz 16384 2 93Hz Rectangular Unsmoothed FFT ready CLIO Software Release 1 0 Version Pocket Survival Guide AUDIOMATICA Copyright 1991 2015 by AUDIOMATICA SRL All Rights Reserved Edition 1 10 2015 02 IBM is a registered trademark of International Business Machines Corporation Windows is a registered trademark of Microsoft Corporation Apple Mac OSX are registered trademarks of Apple Inc CONTENTS INSIDE THE CLIO POCKET BOX sssssss2s2s20202020n0s0ununnunnnnnnnna D TECHNICAL SPECIFICATIONS wccsscnsccncccnnsnnscncnsncccnensnensnesena EE EE Ri is dg 6 seer EEN 6 PACO MICK OP FON EE 6 1 CLIO POCKET INSTALLAT ON sn KENE KEREN KEE R KR KEE eren d 1 1 MINIMUM PC CONFIGURATION EE 7 1 2 DRIVERS INSTALLATION Bil 7 1 3 DRIVERS INSTALLATION UNDER WINDOWS AR 9 1 4 SOFTWARE INSTALLATION UNDER WINDOWE cece cece eee eeeee 11 Leo LING LALEING UNDER EE 12 1 6 HOW TO UNINSTALL CLIO POCKET UNDER OR 16 2 CLIO POCKET MAP EG fe 2 1 RUNNING CLIO POCKET FOR THE FIRST TIME cc cece cee ceceeee eect eens 17 22 CD POCKET Eeer 18 Zao MOT EE 20 Zt TAE GRAPE OL PLAT EE 21 Zo INTIAL Tes MEASUREMEN EE 24 2 6 MICROPHONE SENSI DI GEET 25 3 CAL TB RA ap tal WEE e SN Oho TEN CALIBRATION EE 27 3 2 CALIBRATION VALIDA TIO HE 27 3 3 TROUBLESHOOTING CLIO INSTALLATION aa 30 4 EN
3. Weight 0 3 kg MIC 02 MICROPHONE Type Condenser electret Accuracy 1 dB 20 Hz to 10 kHz 2 dB 10 kHz to 20 kHz direct field Maximum level 130 dB SPL Dimensions 8 mm diameter 12 cm long 6 TECHNICAL SPECIFICATIONS CLIO POCKET SURVIVAL GUIDE 1 CLIO POCKET INSTALLATION 1 1 MINIMUM PC CONFIGURATION The CLIO CP 01 audio interface running the CLIO Pocket software can be installed in any personal computer with the following minimum system requirements Pentium IV class processor Suggested minimum 2GHz One free USB 2 0 port 1024x786 video adapter Microsoft Windows XP Vista 7 8 8 1 Apple Mac OSX PLEASE FOLLOW THESE PROCEDURES TO INSTALL AND GET STARTED WITH YOUR CLIO POCKET 1 2 DRIVERS INSTALLATION UNDER WINDOWS Connect your CLIO Pocket to a free USB 2 0 port on your PC the You should hear the classical sound of plug and play device note te front panel blue LED should NOT be lit at this time After the initial automatic driver detection only one device should be found by Windows the USB Composite Device two more devices named ClioPkt should be installed manually a Driver Software nstz ps e Device driver software was not successfully installed Please consult with your device manufacturer for assistance getting this device installed USB Composite Device wf Ready to use ClioPkt Gi driver found ClioPkt No driver found What can I do if my device did not install properly
4. LCRMETER LCRMETER Resistance Capacitance Inductance DEE As Impedance related we end this chapter covering T amp S Parameters To calculate them CLIO needs two Impedance Sue One obtained in free air which means with the Loudspeaker as is the second acting a perturbation on the moving part that can be either an Added Mass or a Known Volume In the first case the Resonance Frequency will ZE in the second increase Our example will be with Added Mass as it is usually easier to achieve 34 4 ENJOY CLIO POCKET CLIO POCKET SURVIVAL GUIDE l without saving the While the whole procedure can be carried with petsaved Impedance present in memory we strongly suggest 6 Carry out the two measurements and save them with a meaningful Aare It is a good idea to include the amount of Mass or Volume used in the name of the second file while FreeAir is a good choice for the first LogChirp Waterfall 1 amp 5 Parameters Parameters estimation Free Air Added Mass Known Volume Settings Manufacturer Sica Model 4 Re 0 17 85 Measure Diameter mm 78 Area mm7 4778 36 SES With the Free Air measurement in memory open the CLIO Pocket Option Dialog GH and choose T amp S Parameters Tab Check that Free Air Radio Button is selected and fill the required data Note that if the Loudspeaker is connected the Re can be directly measured by CLIO clicking on the Measure button Also BHS
5. copied by the installer you should delete all the files above 16 1 CLIO POCKET INSTALLATION CLIO POCKET SURVIVAL GUIDE 2 CLIO POCKET MAP 2 1 RUNNING CLIO POCKET FOR THE FIRST TIME If you have completed the preceding installation procedures you are ready to run CLIO Pocket From the Start Menu choose Programs then CLIO Pocket and click on the CLIO icon Upon a successful installation the front panel blue led should now light up you may hear the internal relays clicking and the program should start smoothly and present the main desktop 2 CLIO POCKET MAP 17 2 2 CLIO POCKET DESKTOP IN OU WER Ae oe Wo d Eapabaap RSR Den Kai EN bi i PUT mA aI 4 Te f e i pa F IE Clio Pkt 48000Hz FFT dBV 48kHz 16384 2 93Hz Rectangular Unsmoothed FFT ready A particular attention should be paid to the corners of the main window of CLIO Pocket there useful and important sometime vital information are displayed The lower left corner keeps information on the hardware status An happy face tells you that the device is running OK ees Clio Pkt 48000Hz F while a sad face is given in case the hardware is not connected or various problems are found _ n Clio Pkt FF The upper left corner gives information inside the title bar of the window 18 2 CLIO POCKET MAP CLIO POCKET SURVIVAL GUIDE other mouse controllable Here we briefly describe the buttons and sersiete areas of CLIO P
6. 0 7 3Hz Rectangular Unsmoothed FFT ready The acquired FFT is now narrowband you got the impulse and its decay and the acquisition stopped as you requested a One Shot only It is interesting to perform some decay processing on this acquired response Open measurement Options again and choose the Waterfall tab Set Start Frequency 50Hz Stop Frequency 10000Hz Smoothing 1 3 Octave Range 40dB Number of Spectra 120 Time Shift 5ms C CUO Pocket Options Notes amp Print FFT LogChirp Waterfall T amp S Parameters Frequency Settings Start Frequency Hz 30 Stop Frequency Hz 10000 Smoothing 1 3 Octave Range dB CSD Number of Spectra Time Shift ms Window Rise Time ms Reference Cancel Click on the Waterfall button the resulting graph tells you how sound decays in the room 50 4 ENJOY CLIO POCKET CLIO POCKET SURVIVAL GUIDE water A Leien 200 00 400 00 ms 600 00 10k CSD 1 3 Octave Spectra No 120 Time Step 5 000ms Rise Time 0 576ms 4 ENJOY CLIO POCKET 51 5 REFERENCES 1 Joseph D Appolito Testing Loudspeakers Audio Amateur Press 1998 2 Audiomatica Knowledge Base http www audiomatica com wp page_id 350 3 Audiomatica Products Literature http www audiomatica com wp page_id 34 3 1 CLIO 11 User s Manual http www audiomatica com wp wp content uploads clioman11 pdf 3 2 CLIO 10 User s Manual http www audiomatica com wp wp content uploads cliom
7. one overlay It is also possible to select a portion of the main curve by means of three particular buttons The selected portion of the main curve is identified by a start and stop point and is drawn in a different color from the unselected portion Defines the start point of the selection Before clicking with the button activate Marker A and position cursor to the desired point Defines the stop point of the selection Before clicking with the button activate Marker A and position cursor to the desired point Returns the curve to a completely unselected state 2 CLIO POCKET MAP 23 2 5 INITIAL TEST MEASUREMENT Let s now execute our first test measurement play and capture a 1kHz sinusoid The In Out Loop button should be down click on it if not in this way CLIO connects output with input with an internal relay This connection is very important as it lets you capture and analyze a signal generated by CLIO without the need for an external connecting cable Then click on the generator icon to play a 1kHz sinusoid it s the default signal The input meter should react as in Figure and display the level in Volts of the signal at the input gien AENEA OUTPUT gt mm Beat If everything is OK you should obtain a reading of circa 1V variable between a minimum of 0 95V and a maximum of 1 05V which is the mean output level of a Sinusoidal signal when the system is not calibrated Now press the FFT I
8. that Diameter and Area are either or options You set one and the other will be set accordingly once the field is exited Confirm and Close pressing OK Now Clicking on the T amp S Parameters Button ie the Free Air parameters should appear MANUFACTURER Sica 4 Fs 123 05 Hz Re 17 85 0 Sd 4778 36 mm Ums 6 41 Qes 0 32 Ots 0 31 Cms 0 00 mmh Mims 0 00 g Rms 0 00 Um BI 0 00 N A dBspl 0 00 no 0 00 D min 20 400 LikHz 0 00 mH Li kHz 0 12 mH To get the complete set of Parameters load the Added Mass Impedance file and again recall the CLIO Pocket Options T amp S Tab 4 ENJOY CLIO POCKET 35 Motes amp Print Ew Parameters estimation E Free Air Ses Known Volume Settings Manufacturer Model AN Diameter mm ES Area Imm 4778 36 Added Mass g ie Selecting the Added mass Radio Button the Added Mass value input appears Input the weight of the used mass and confirm with the OK Button Clicking again the T amp S Parameters Button J the complete set of T amp S Parameters should appear MANUFACTURER Sica MODEL 4 Fs 123 78 Hz Re 17 850 Sd 0 00 mm Ums 5 85 Qes 0 32 Ots 0 30 Cms 0 43 mi Mins 3 84 g Rms 0 51 Om Bl 12 91 N A dBspl 91 15 no 0 78 Zmin 20 28 0 LikHz 0 00 mH Li kHz 0 12 mH 36 4 ENJOY CLIO POCKET CLIO POCKET SURVIVAL GUIDE 4 2 CONNECTING THE MICROPHONE If up to the T amp S Parameters everything was working as described is snow time to connect the microphone Leave the louds
9. CLIO POCKET SURVIVAL GUIDE OO we Install Cliobkt a Standard Install on MACOSX B Introduction Destination Sele This will take 9 5 MB of space on your computer ie Installation Ty h i Click Install to perform a standard installation of installati this software for all users of this computer All users of this computer will be able to use this Summa software at OU p eg E U ANS pe i Customize GoBack Install Under OSX the installation is performed in three steps 1 Device driver installation device driver files are copied under usr local lib folder 2 ClioPkt application installation application bundle is copied under Applications folder 3 Ancillary files and folder structure installation files and folders are copied under Library ClioPkt folder Click on Install to proceed with the Standard Installation elsewhere click on Customize to select which items you want to install 1 CLIO POCKET INSTALLATION 13 Custom Install on MACOSX amp Introduction IW ClioPkt Device Driver Upgrade 528 KB M ClioPkt Software Upgrade 3 8 MB Destination Selg M ClioPkt Folders Upgrade 5 1 MB Installation Type Installatis Summary D d We Wl Fo ER e ha ME Remaining 31 62 GB Standard Install Go Back l Install Click on Standard Install to go back to the St
10. Clio Pkt 48000Hz LogChirp dBV Unsmoothed 48kHz 16K Rectangular Start 0 00ms Stop M1 3lms FreqlLO293Hz Length Chirp ready You can click on the marker A button and inspect the amplitude of the measured signal you should obtain a reading around OdBV this is the correct output level of the LogChirp signal with the generator output set to 1V Now click on the Measurement Settings T button to invoke the Log Chirp Settings dialog as in Figure _ CLIO Pocket Option Notes amp Print FFT LogChirp Waterfall T amp S Parameters Settings Size Units dBv Loop Measurement Autosave AutoStore Overlay Frequency Processing Smoothing Unsmoothed v Phase Group Delay Normal Time Processing Impulse Response S Window Rectangular Capture Delay 0 000 ms Cancel Click on the Phase checkbox and press OK The measured phase response should be displayed 3 CALIBRATION 29 St PR LA ABA die REEL Clio Pkt 48000Hz LogChirp dEV Unsmoothed 48kHz 16K Rectangular Start0 00ms rop 208 2lmz FreqLO293Hz Length Chirp ready The correct readings should be around zero degrees 3 3 TROUBLESHOOTING CLIO INSTALLATION To receive assistance please contact Audiomatica at support audiomatica com or connect to our website www audiomatica com 30 CLIO POCKET SURVIVAL GUIDE 4 ENJOY CLIO POCKET 4 1 IMPEDANCE MEASUREMENTS AND T amp S PARAMETERS Once the Ca
11. Equivalent to Y SHIFT F7 Decreases the output level of 0 1dB Equivalent to SHIFT Y F8 Increases the output level of 1dB Equivalent to SHIFT F8 Increases the output level of 0 1dB Equivalent to SHIFT F9 Increases input acceptance of 10dBV SHIFT F9 Decreases input acceptance of 10dBV G Starts measurement Equivalent to p T Stops interactive measurement Equivalent to D 20 2 CLIO POCKET MAP CLIO POCKET SURVIVAL GUIDE 2 4 THE GRAPH DISPLAY Y Scale Markers Main Curve Zoom Selected wl Doac aA an an nA An a a a Al I ldd eer 1 LU MTN Den aL A AE NETTIE SCP LES qt ttt Y E UI E FE Overlays 1 9 a i J S g T J R S I m l bras A pee UI TPA NANT JI TU 1 CT II TTT CTT AA e en 100 200 300 10k dk LL 9 LI E e vd Ax 245 6195 Hz Au 92 7385 dBSPL Be 1629 2350 Hz By 90 0962 dESPL De 1383 6150 Hz Du 2 6423 dBSPL Markers readings A Curve B Overlay3 The figure explains the main objects found in a Frequency response measurement display Inside the graph you find the main curve which reflects an executed or loaded from disk measurement up to nine overlays curves which are stored by the user and can be controlled interactively the two markers which are activated by clicking on the respective buttons Above the graph itself we find several buttons and checkboxes which divide into three main categories Y scales controls main curve zoom and overlay
12. JOY CLIO POCKE 23 SEN 4 1 IMPEDANCE MEASUREMENTS AND T amp S POARAMETER A 31 4 2 CONNECTING THE MICROPHONE cisastexotsexisinssvannstoxnimmeseensdensataneeenaetetens 37 4 3 ANECHOIC FREQUENCY RESPONSE OF A LOUDSPEAKER SYSTEM 39 e DEE ege 44 4 5 eege 45 Ce oda eee e ere reer re et erer e INSIDE THE CLIO POCKET BOX You should receive your CLIO Pocket housed in a plastic box like this Inside the box you find The CP 01 Audio Interface The CLIO Pocket CD with software and drivers The Microphone MIC 02 One USB 2 0 cable One RCA to RCA 2 7m long microphone cable One RCA to alligators impedance cable INSIDE THE CLIO POCKET BOX 5 TECHNICAL SPECIFICATIONS CP 01 AUDIO INTERFACE GENERATOR 24 Bit sigma delta D A Converter Frequency range 1HzZ 45kHz Frequency accuracy gt 0 01 Frequency resolution 0 01Hz Output impedance 1500hm Max output level Sine 13dBu 3 46Vrms Attenuation 0 1 dB steps to full mute THD Noise Sine 008 AC ANALYZER 24 bit sigma delta A D Converter Input range 40 40dBV 40dBV to 40dBV Max input acceptance 40dBV 283Vpp Input impedance 64kOhm 5 6kOhm mic Phantom power supply 8 2V DC ANALYZER 12 bit A D Converter Input range 0 6 5V OVto6 5V MISCELLANEOUS Sampling frequencies 96kHz and 48kHz Connections analog RCA in and out Digital connection USB 2 0 port Power supply USB powered 480 mA Dimensions cm 9 w x12 d x2 5 h
13. Open Device Manager type devmgmt msc from Run prompt or click Control Panel gt System gt Device Manager 1 CLIO POCKET INSTALLATION 7 File Action View Help gt m H m amp a MBCode MF comcom serial port emulators gt JE Computer gt CN Disk drives KS Display adapters es DVD CD ROM drives 5 Des Human Interface Devices lt a IDE ATA ATAPI controllers y g IEEE 1394 Bus host controllers 2 Keyboards n D Mice and other pointing devices s Monitors gt Kr Network adapters is Other devices Lal ClioPkt a h ClioPkt 5 Portable Devices n E Processors gt SBE SD host adapters gt Q Sound video and game controllers 5 gt Storage controllers JE System devices Universal Serial Bus controllers gt fh WSD Print Provider Right Click on each ClioPkt device under Other Devices and choose Update Driver Software At the successive prompt Gs 1 Update Driver Software ClioPkt How do you want to search for driver software Search automatically for updated driver software Windows will search your computer and the Internet for the latest driver software for your device unless you ve disabled this feature in your device installation settings Browse my computer for driver software Locate and install driver software manually Cancel Browse your computer and point to the folder inside the installation CD where the proper drivers are located usually Windows Dri
14. R button the Frequency and Time Graphs button and finally the Go gt Button 24 2 CLIO POCKET MAP CLIO POCKET SURVIVAL GUIDE 3 CLIO Pocket UNGA Le UGEe 2 Jab M DO Ze INPUT Pay afl Clio Pkt 48000Hz FFT dEV 48kHz 16384 2 93Hz Rectangular Unsmoothed FFT running 1 The result you should obtain is an FFT analysis of the 1kHz sinusoid and its time representation given by its waveform 2 6 MICROPHONE SENSITIVITY As seen the main and default measurement unit of the instrument are AC Volts Before taking measurements in different units like dBSPL you must set proper transducer sensitivity To do this open the Options gt Units dialog General Units Graphics Notes amp Print QCBox Pressure Microphone Sensitivity mv Pa 114 Measure dBRel Reference Reference Level v Measure Other Current Sensing V A Reference Impedance A Amplifier Gain dB To prepare CLIO Pocket to take SPL measurements set your microphone sensitivity inside this dialog you may read it from the calibration chart that comes with your 2 CLIO POCKET MAP 25 microphone In the case of figure input 13 4 mV Pa in the Pressure gt Sensitivity edit box 26 CLIO POCKET SURVIVAL GUIDE 3 CALIBRATION 3 1 SYSTEM CALIBRATION This section describes how to perform the system calibration Proceed only if previous test succeeded Be sure that any time you perform a calibration the system has warmed
15. an also Safely increase or reduce the Output level to keep the response within 80 to 90 dBSPL What you should have obtained is a Pressure Frequency Response even if for several reasons not the real one of the Speaker Try to get confident with this measure which is absolutely Safe for the speakef ae CLIO Output is not a power pes Even with the Output set at its maximum 3 4V through a 150 resistor GC unlikely that even a Micro Speaker will fail If you are confident so far it is time to try to perform an anechoic Frequency response of a loudspeaker system 38 4 ENJOY CLIO POCKET CLIO POCKET SURVIVAL GUIDE 4 3 ANECHOIC FREQUENCY RESPONSE OF A LOUDSPEAKER SYSTEM Up to now what was in the CLIO box was enough for the purpose To proceed now you have to add by your own Audio Power Amplifier and an RCA cable The Amplifier should pefterra flat Frequency Response and low Output Impedance Check fhe CLIO generator is turned OFF d Ge the Amplifier is turned OFF Connect CLIO Output to the Amplifier Input and ABRES CtHe sSpeaker you are measuring Refer both to the above picture and the schematic below MICROPHONE BLACK RED i POWER AMPLIFIER Note that the polarity of the cable from the Amp to the Loudspeaker is inverted 4 ENJOY CLIO POCKET 39 do most Measurement This compensates the fact that the supplied MICO2 is inverting signal as mest Measure Microphones However it is possible to correct this issue in a more eleg
16. an10 pdf 52 5 REFERENCES CLIO POCKET SURVIVAL GUIDE 5 REFERENCES 53
17. analysis choose Pink and select 64k Size from the drop down Settings File File pink65536 wav File Name All om White CEA Burst open mosn Two Sin Sin File pink65536 wav Note that we left Averaging equal 1 in FFT settings as we are using a pseudo random pink noise stimulus of same length of FFT size Press Play you should hear the pink noise out of the speakers and view the RTA Frequency response on screen and the average level of the signal on the Meter box Now carefully higher the output level until you reach a realistic listening level for these speakers say 87 dBSPL You may then capture your Frequency response pressing STOP a Oe 0m oe ETE ege dBSPL Gen de Seege ve FE a i L r W w T Ee OUTPUT Clio Pkt 48000Hz FFT dBSPL 48kHz 65536 0 73Hz Rectangular 1 3 Octave FFT ready Switch Generator OFF or simply press ESC 4 ENJOY CLIO POCKET 47 disconnect We are now ready for the second FFT acquisition You may 4acerrect the power Amplifier as we rely on an external stimulus by means of an inflated balloon We are going to analyze of the explosion of the balloon this gives us a measure of the impulse response of our room Open FFT Option dialog and uncheck RTA box set Event Trigger Enable and One Shot input 5ms into Delay edit box Notes amp Print FFT Logchirp Waterfall T amp S Parameters Settings Size 65536 Units dBSPL Window Re
18. andard Installation or select the items you want to install and click on the Install button In order to install the Device Drivers the system root password should be typed Installer is trying to install new software Type your password to allow this Name Audiomatica At this point the installer copies the folders and files to the local installation media At the end of the installation you should get this message 14 1 CLIO POCKET INSTALLATION CLIO POCKET SURVIVAL GUIDE The installation was completed successfully Introduction Destination Sele Installation Summe The installation was successful The software was installed GoBack The installation is successful depending on your OSX version you should find the ClioPkt application under user Applications folder and Launchpad 1 CLIO POCKET INSTALLATION 15 1 6 HOW TO UNINSTALL CLIO POCKET UNDER OSX At the end of the installation you should have the following items added to your system 1 In Device drivers library Is usr local lib grep libftd libftd2xx 1 2 2 dylib libftd2xx dylib ClioPkt application bundle Is Applications grep ClioPkt ClioPkt app Directory structure Is Library ClioPkt Cal Help Signal Tables Temp order to completely uninstall CLIO Pocket from your Mac and cleanup the files
19. ant way using the Input Polarity button L In our example we will measure a relative small two way Loudspeaker For PEYE small Speaker T advisable to put the Microphone at 50 70cm from the Speaker thus obtaining a longer RBR 1m free of reflection Impulse The highest the distance of both Speaker and Mic from any reflecting surface the betters 0 203 ms f2o0ms 10 ms DIRECT SOUND Te 7Ocm 203ms_ l FIRST REFLECTION l 230 cm 7 26 ms 120 cm l P ABSORBING Z NA MATERIAL JEDA gt In the above figure you see the common practice to place absorbing material to attenuate the first reflection however be advised that as long as this affects only high frequencies it has the countereffect of masking the exact arrival time slowing the rise of the reflected impulse lowest Once the setup is ready if there is a Volume Control turn it to the tower position switch Amplifier on Check Microphone power supply is on set CLIO Input gain to 30dBV ew i Eu al verify that the bar graph on the right of the Level Meter responses to a handclap Set the latter to dBSPL 40 4 ENJOY CLIO POCKET CLIO POCKET SURVIVAL GUIDE INPUT If there is a Volume control on the Amplifier it should have been already set counterclockwise Therefore leave the CLIO Output level at its default 1 000V Without Volume control set Output level at 0 01V or below Open the Generator Control Panel and generate PinkNoise This happens clicki
20. cess Open the measurement settings dialog and choose Waterfall Input Start Frequency 200Hz Smoothing 1 3 Octave Range 30dB Notes amp Print PS LogChirp Waterfall Frequency Settings Start Frequency Hz Stop Frequency Hz Smoothing Range dB CSD Number of Spectra Time Shift ms Window Rise Time ms E Reference Click of the Waterfall button CSD 1 3 Octave SpectraNo 60 Time Step0 119ms Rise Time 0 576ms Click with the mouse over it and enjoy 44 4 ENJOY CLIO POCKET CLIO POCKET SURVIVAL GUIDE 4 5 IN ROOM MEASUREMENTS We are going to execute two acoustical FFT measurements that characterize the quality of perceived sound and the room environment surrounding us Both measurements are done at listening position the first tells us about the overall tonal balance and is done with third of octave RTA analysis the second aims to give us an idea of room behavior with respect to decay of sound The FFT and RTA measurements differ from Log Chirp ones in the fact that they are i the user i l interactive Heer has the choice to generate a particular stimulus signal or simply analyze what is present at input When possible it is advisable to use internally generated signals as this leads to more precise and powerful analysis the two demonstrat i cases analyzed her eiert both situations Let s prepare for our RTA measurement as seen in photo above we have placed the same Roger
21. ctangular Average Exponential hi 1 Continue No Hald Cen Processing Smoothing Unsmoothed Event Tri Wen Delayimel S Levelt DEER M f ef OK f x Cancel Close the dialog now set input sensitivity to 20dBV as the balloon explosion even for small balloons provokes high peak pressures Press the Frequency amp Time Graphs button go into the lower time graph and press the Zoom Out button until the right time scale reaches 1000ms in this way we will see most of FFT acquisition which is 1 37s 64k samples 48kHz Start FFT acquisition as FFT is set in Event Trigger mode and there should not be high signal at microphone you should end up in a frozen like situation where CLIO is waiting for an event able to trigger acquisition only the FFT running display and a blinking cursor tell you this 48 4 ENJOY CLIO POCKET CLIO POCKET SURVIVAL GUIDE II Al ID E UN ER GEE EIN WEN BOE 1600 ms 1800 Clio Pkt 48000Hz FFT dBSPL 48kHz 65536 0 73Hz Rectangular Unsmoothed Now take the balloon handle it in a location as in photo explode it If you are lucky here is what you get 4 ENJOY CLIO POCKET 49 PETER 2 Lia Ee E S UR Sekt 5 WI E p pe mf SE ma WA Mii EA vil iii Mi T ai are i del BI fm TIIITI B bee Seen Et ee SCH jane D 0 708 V We 3 ran Clio Pkt 48000Hz FFT dBSPL 48kHz 65536
22. h Domains visible you should see immediately how the Frequency Response changes As last refinement open the LogChirp Settings GH and in the Time Processing settings change the Window from Rectangular to Auto Half Hann Time Processing Impulse Response Window 1 Auto Half Hann e Capture Delay 7 0 000 ms Below is what we obtained The Frequency Response is much smoother then before with less bass extension and a less steep high pass behavior The average level is in the 87dBSPL range higher than what was measured using Pink noise This is expected and correct 42 4 ENJOY CLIO POCKET CLIO POCKET SURVIVAL GUIDE ES 20 41 dBSPL Pa On 0 120 0 080 0 040 Om 0 040 0 080 0 120 0 160 Clio Pkt 48000Hz Loo hp dBSPL Unsmoothed 48kHz 16K Half Hanning Start0 00ms Stop 75ms FreqlO114 29Hz Lem Chirp ready In the status bar information regarding the measurements and its processing are reported With a stop windows at 8 75ms and a impulse arrive time of 1 8ms low Frequency reliability limit is around 150 Hz We did not set the Start Windows as it does not change the Frequency Response If you are interested in Anechoic Responses itis usually unlikely you need a bigger measurement size then 16k But for room acoustic 64k is advisable 4 ENJOY CLIO POCKET 43 4 4 WATERFALL The 3D decay of the anechoic response known as the Cumulative Spectral Decay is achieved by the Waterfall post pro
23. libration has been verified it s time to start performing some measurements Loudspeaker Impedance can be measured with CLIO Pocket out of the box Connect the RCA to Alligator Impedance Cable to the CLIO output and to the Loudspeaker terminals as in the Picture Verify that the loop button is still down Select the LogChirp Analysis Basically everything should for now be left unchanged since the measure done to validate the calibration Performing a new measure with the loudspeaker connected something like this should appear on the screen the following 4 ENJOY CLIO POCKET 31 za z co 2 CuO Pocket EEE EAN wees wl SE aa SR GH Clio Pkt 48000Hz Loo hp dEV Unsmoothed 48kHz 16K Rectangular Start0 00ms Stop 201 lm FreqlLO293Hz Length Chirp ready Actialh thic is not an LropecdatGg Curso hit oa Fraqguency Docnnncao chawina thao Bn FE FT ew LI a oe el ee mew FE Few FT YT RR TZ es H l w Z Fissi d A7 u wa H E ss H TP Ss H eg eg ef wet H WW eg Bee Ve Sen Kid LH S sl S ES Teancfar Fiinctinn fpreantoad hu thao CLIN ANutnut Tmnoadoanco and tho Loaiudanonralor Ti Ui Jil H kel TT Sg Bel S ff west V Ui Un U ef wi TNs wT Let ww ss a gi TNs we wi i iV ke H Ti ee ee en he Open dch 19 5 one Opening the LogChirp Settings do change both Size to 65536 and Units to Ohm Notes amp Print LogChirp Waterfall T amp S Parameters Settings Size Cl Loop Mea
24. ng on Pink and then on Play You can ignore the Size for now Settings File l File File Name pink16384 wav A Pink Chirp White CEA Burst Two Sin dud File pinklo3 4 wav With either Eitherwith the Amp Volume control or 44th the CLIO output level control arrows adjust the level to read on the Level Meter around 80dBSPL Turn the Generator Off Click on the LogChirp Ci button to invoke the LogChirp panel and press the Frequency amp Time Graph button so that you have Frequency and Time Domains visible at the same time Press the Go a button to execute a LogChirp Frequency response measurement with exactly the same settings shown for the Nearfield measure 4 ENJOY CLIO POCKET 41 V S S e el ZEISS SE ele Of WE ren Eeer WER dBSPL Sg nee im wl Mah Au Ain d W Wate itt WA Clio Pkt 48000Hz Loo hp dBSPL Unsmoothed 48kHz 16K Rectangular Start0 00ms Stop 3413lms FregLO2 93Hz Lengt Chirp ready We have a Frequency and an Impulse response The Frequency response is not Anechoic In the Time Domain Zoom both X and Y axes to fit your situation of impulse and reflections Evertueall temporarily select the Time Domain only Button for a bigger and more detailed Impulse Activate Marker A verify that the distance of the peak of the Impulse is what you expect locate the first reflection put the Marker A immediately before and click on the Set Stop Window Button If you left as suggested bot
25. nstalling CLIO Pocket Launch the CLIO Pocket installer running the ClioPktSetup exe file from the installation CD Welcome to the CLIO Pocket Setup Wizard This wizard will guide you through the installation of CLIO Pocket It is recommended that you dose all other applications before starting Setup This will make it possible to update relevant system files without having to reboot your computer Click Next to continue At the end of the wizard the CLIO Pocket software should be installed smoothly take note of the installation folder usually C Program Files Audiomatica ClioPkt 1 CLIO POCKET INSTALLATION 11 1 5 INSTALLING UNDER OSX Connect your CLIO Pocket to a free USB 2 0 port on your Mac Note the front panel blue LED should NOT be lit at this time You may find the OSX installer ClioPkt pkg in the CLIO Pocket CD under the OSX folder Double click on the ClioPkt package icon to open the installer ClioPkt The installer window should open Welcome to the ClioPkt Installer Introduction You will be guided through the steps necessary to install this software Destination Sele Installatio Installatigr a Summafy TUE jin VO Va i vu WU ZS p E BE kee KR ae D GoBack l Continue Click on Continue to proceed with the installation 12 1 CLIO POCKET INSTALLATION
26. ocket Desktop Feel free to click on each of these and experiment yourself Upper bar graph buttons and controls Open File Export Options LogChirp Time Waterfall Hel elp Main Menu Save File Print FFT Frequency Freg Time T amp S Parameters Autoscale BPE E HARSA pE A HN EI EH WOR Wi Top Y Scal 7 EE Arrange Y Scale Zoom Main Curve Set On Off Marker Overlay Curves 1 9 Lower bar and graph controls Bottom Y Scale Left Freq Axis Right Freq Axis Clio Pkt 48000Hz FFT dBV 48kHz 16384 2 93Hz Rectangular Unsmoothed CLIO Pocket Status Measurement information Measurement status Side bar Input amp LCR Meter nan 1 010 Input Bar Graph Meter Unit Set D V Input Full Scale Level Input AutoRange Microphone Supply In Out Loop Input Polarity Out Level 1dB Shift 0 1dB Al OUTPUT Out Level Set KZ Playing Measurement Settings Go Stop Measurement Out Level 1dB a Shift 0 1dB Generator Control Panel 2 CLIO POCKET MAP 19 2 3 HOT KEYS ESC Immediately kills the generator Equivalent to releasing di Fi Invokes CLIO Pocket manual Equivalent to F2 Loads a measurement file relative to the active measurement Equivalent to Y F3 Saves a measurement file relative to the active measurement Equivalent to oa F5 Recalls measurement Options Equivalent to CG F6 Enables disables autoscale Equivalent to F7 Decreases the output level of 1dB
27. peaker connected as forimpedat a Using the RCA to RCA 2 7m long microphone cable connect the MICO2 to the CLIO Input Check Mod have set the correct Sensitivity as written in 2 3 Put the microphone in the Speaker Nearfield as shown in the picture above Turn the Mic Power Supply 7 on Release the In Out Loop button This disconnects the CLIO input from its output and connects it to the input RCA and therefore to the Microphone Click on the LogChirp button and then the Measurement Settings CG button to invoke the Log Chirp Settings dialog Notes amp Print FFT LogChirp waterfall T amp S Parameters Settings Size 16384 Units ESO Loop Measurement Autosave AutoStore Overlay Frequency Processing Smoothing Unsmoothed Phase E Group Delay Normal Time Processing Impulse Response window Rectangular 0 000 ms 2 Cancel Choose dBSPL as unit set everything else as above confirm with the OK button and 4 ENJOY CLIO POCKET 37 perform the measurement gt CUO Pocket at CEER EE e e fl B HN ee GER GE SEE Clio Pkt 48000Hz LogChirp dBSPL Unsmoothed 48kHz 16K Rectangular Start0 00ms Stop3413lms FreqLO293Hz Lengt Chirp ready Repeat measuring and adjusting Input Gain until the maximum before Overload In the figure above we have it set at 40dBV 10mV full scale which is the highest possible Input Gain Depending on the speaker this might change You c
28. s like loudspeakers in our listening room the microphone is placed at listening position and fed to CLIO input power supply ON In Out Loop S open i e button released input sensitivity to 20dBV set output level starting reasonably low say 0 1V be sure generator is OFF d you may connect CLIO output to power Amplifier line input Press the FFT IR button then enter FFT Options and set Size to 65536 Units to dBSPL and check RTA box 4 ENJOY CLIO POCKET 45 CLIO Pocket Options Notes amp Print FFT LogChirp Waterfall T amp S Parameters Settings size 65536 Units dBSPL Window Rectangular Average Exponential hi 1 Continue No Hold Frequency Processing F RTA Fraction Of Octave us Octave Event Trigger Enable OneShot Delay ms 0 000 Level 6fs 125 Close the dialog set the Meter units to dBSPL press the FFT Go button to start the analysis as generator is still OFF you should be analyzing the fluctuating noise of the room EN Oe Om oe Om ome SR ae S E ah 11 Ee Le oe mrem ER Sech ia ert rN a UI CO TI J Um TEI PIE 10 200 500 ik Hz 2k Clio Pkt 48000Hz FFT dBSPL 48kHz 65536 0 73Hz Rectangular 1 3 Octave FFT running 1 Now prepare the generator click on the Generator Control Panel button aside the Generator ON OFF one 46 4 ENJOY CLIO POCKET CLIO POCKET SURVIVAL GUIDE a new window should pop up from here it is possible to generate the required Signal for our
29. s management Each overlay can be displayed hidden or selected with the relative checkbox Marker A reads the main curve marker B has a twofold operation it reads the selected overlay if present otherwise reads again the main curve Beside Aside and below the graph we find the Y Scales the Frequency or Time Scale and Marker Indicators The Y scale is of the same color of the main curve selected 2 CLIO POCKET MAP 21 directly input It is possible to direct input of the Y scaleg values to activate the input boxes simply click on the scale extremes dh h H DUU UI 60 0 20 HOW TO ZOOM 1 Click on the Zoom D button 2 Position the mouse and PRESS the left mouse button at the beginning of your selection and keep the mouse button pressed Don t just click otherwise you get a warning message 3 With the mouse button pressed move the mouse until the second selection point Now 4 Orbe_rnew release the left mouse button Be careful you must have the button pressed from point 2 to point 4 It is also tts possible to zoom by direct input of the Frequency extremes of the scale to activate the input boxes simply click on the scale extremes 50 0 AE TIIITIIIT TIIIIIT 20 4 100 200 SU Tk ek Hz Bk 10k 20000 22 2 CLIO POCKET MAP CLIO POCKET SURVIVAL GUIDE THE CHIRP TIME DOMAIN DISPLAY a zs EZ 4a FO AB 0 088 2 1 4 1 6 1 8 0 10 12 14 16 mg 18 20 Figure 6 2 In this case there is only
30. surement Autosave Cl AutoStore Overlay perform the measure again We With the latter settings performingthemeasure again we finally get an impedance measurement 32 4 ENJOY CLIO POCKET CLIO POCKET SURVIVAL GUIDE CUO Pocket eS AE MER Aaa oe e Oav Clio Pkt 48000Hz LogChirp Ohm Unsmoothed 48kHz 65K Rectangular Start 0 00ms Stop1365 31ms FreqlO0 3Hz Lengt Chirp ready You will Obviously yours should be different with a similar shape 4ad yew have to adjust the Y scale either manually or with the AutoScale Button Why we changed Units to Ohm should be obvious Increasing the Size of the Measurement and relative FFT brings enhanced low Frequency resolution This is advisable measuring woofers and midranges The default output level of 1 000V is fine in most casaeUSe be increased i High impedance dewi 8 Input level should be set to the maximum gain before overload eeeurs this maximize SN ratio For 1 000V output OdBV is a good Starting point Before dealing with how to calculate T amp S Parameters which is a post processing of Impedance Measurements et explcit that we have everything set foP measuring Capacitors and Inductors Just disconnect the Loudspeaker and replace it with either of the two 4 ENJOY CLIO POCKET 33 Click on the Units label within the Level Meter and select the right Choice Then press the e arrow that starts all measurement and you should get a real time measure
31. up for at least 15 20 minutes If done too soon you may receive the Calibration Failed warning message in case repeat the procedure after a while Select Calibration from the Main menu E CUO Pocket UNCAL elt He File Analysis i Hardware Controls Help Calibration Exit Leave the CLIO Pocket front plugs unconnected when calibrating At the end of the calibration process the UNCAL warning is removed from the title of CLIO Pocket windows it is abyvways mandatory to verify the calibration itself this is done by two simple measurements as described in the following section 3 2 CALIBRATION VALIDATION To verify the calibration STEP 1 check that the generator output level is set to 1V and that the Input Full Scale Level to OdBV Press the In Out Loop button SZ Repeat the initial test described in 3 5 you should now obtain the following reading 3 CALIBRATION 27 OdBv AENEA OUTPUT bead STEP 2 Then click on the LogChirp button to invoke the LogChirp panel and press the Frequency Graph button Press the Go b button to execute a LogChirp Frequency response measurement after about 1 second you should obtain the desired result a straight line as in Figure the following Figure 28 3 CALIBRATION CLIO POCKET SURVIVAL GUIDE ADH SWE U O a e A EA A ME ER WS WOR WOR RMG LIM CU D I LI N A W CIES Ea conti E AAN D 1 000 v E E 100 10k 20k
32. ver Vista_7_8 At the end of installation you will get the ClioPkt Control and ClioPkt Stream entries within Device Manager 8 1 CLIO POCKET INSTALLATION CLIO POCKET SURVIVAL GUIDE File Action View Help ee9 niS hm F RG an MBCode 7 comlcom serial port emulators 5 JE Computer gt a Disk drives gt KS Display adapters gt es DVD CD ROM drives y Des Human Interface Devices 5 a IDE ATA ATAPI controllers y e IEEE 1394 Bus host controllers gt Keyboards Il Mice and other pointing devices gt i Monitors gt JS Network adapters gt E Portable Devices gt D Processors gt HEE SD host adapters gt Sound video and game controllers gt gt Storage controllers gt JE System devices A Universal Serial Bus controllers LL ClioPkt Control 2 Ss ClioPkt Stream Sp Standard Enhanced PCI to USB Host Controller 2 eng Standard Enhanced PCI to USB Host Controller se Standard Enhanced PCI to USB Host Controller es Standard pen D USR Host Controller Your driver installation was successful 1 3 DRIVERS INSTALLATION UNDER WINDOWS XP Installing under XP differs as when you plug in CLIO Pocket the Found New Hardware Wizard starts Found New Hardware Wizard Welcome to the Found New Hardware Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on the Windows Update Web site with your permission
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