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1. Raum B ro Mustermann Bereich Hauptbereich Einstellungen Dienstag M rz 12 2013 07 35 25 Anzahl der gemittelten Messpunkte 2 Version AkuLap V2 5 2622015 seriennummer 337055857 LAEQ 52 42dB LCEQ 53 95dB Ergebnisse in 1 3 Oktav Aufl sung Terzspektrum LEQ Frequenz AkuLap www dr jordan design de Page 29 Jordan Design Dr Mozilla Firefox ue is Chronik Datei Bearbeiten Ansicht Lesezeichen Be f C Dokumente h average report htm gi SI S B S S S SS aS AS SS aS RSS ASA SSSA SIS SISISISIS dg WISIS mS imi miS mmm mim mimm SIT m TIT ISTIS mm mm mI EE m ala lll ella RR Daten als Excal C SV Tebells inur Spectrom Daten als Excel CSV Tabella x ign de dan des www dr jor AkuLap Page 30 Dr Jordan Design 15 Marker 15 1 Overview Once you finished a measurement in many cases you will need some post processing Let s assume you measured the noise 5min in a quiet office but suddenly someone opens the door Of course you can simply repeat the measurement However there are cases where this 1s not possible In this case you can remove the short noise from the calculation In addition marker helps you to analyze noise of e g a machine with different working phases Akulap supports the following type of markers 1 Exclude of a section Certain parts of the measurement are excluded from statistics calculation 2 Include of a se
2. Fast v 138 127dB D The upper window shows a 1 3 octave RTA For each band you get the corresponding SPL The red lines mark the peak SPL The spectrum is always without weighting The lower window shows the SPL vs time By default we display a range of 5minutes AkuLap www dr jordan design de Page 9 Dr Jordan Design Note With the green button you will always get the predefined measurements BEIR ZS Dr Jordan Design Untitled ec a d CALAVG Br During a measurement this window is hidden to save room for the measurements results 6 Verify the setup Connect a sound level calibrator carefully to the microphone and power on the calibrator In this example we use a calibrator with 1kHz and 94dB amp Untitled Dr Jordan Design File Edit Options Plug Ins DSP Wizards Presets Overlays ASIO view Windows Help Easy Measurements SPLIF 94 1dB Z 94 0dB A ia Signal Statistik LCeg LAeg 0 1dB Ummm LAC amp Untitled 1 LCeq 94 1dB 130 LAFmax 94 2dB LCpeak 99 4dB 110 d te ee LA95 dB 90 LAFteq LAeq 0 1dB LAFteq 94 1dB 70 JN 3 3 3 time 30 25 LEO A dB time min Dr Jordan Design F Fast D 38 127dB The SPL meter should display 94dB It is important that you see a peak at IKHz The A and Z weighted level should have a deviation of max 0 3dB A small mismatch between the two AkuLap www dr jordan design de Page 10 Dr Jordan D
3. Dr Jordan Design AkuLap Professional Audio Measurement System www dr jordan design de User Manual s Dr Jordan Design _www dr jordan design de Professional audio measurement solutions 2011 Dr Jordan Design AkuLap www dr jordan design de Page 1 Dr Jordan Design Preface Modern acoustic measurement systems such as AkuLap offer a variety of sophisticated methods of measurement These processes are very complex and require normally a long term training Therefore AkuLap has automatic measuring methods which allow measuring reliably many acoustic parameters by non specialists The experience of our designers and acousticians has been summarized in this automated system The goal 19 to require as little as possible user interaction At the same time we can prevent operator errors For experienced users we have many advanced features even for very special use cases The measurement results are written 10 8 clear report Therefore you can print this report to easily archive or send them by email In this Quick Start Guide the most important information is summarized For more information please refer to the general guidance of AkuLap or the advanced literature AkuLap www dr jordan design de Page 2 Dr Jordan Design 1 General TACUIT 3 MEE TU m 6 XP 05 m 6 4 Jntlerface CONNEL MON S ausente nE a ebi Eia ier
4. Zelt Em 0s xa sl se In this case the difference for total LEQ 16 0 1dB AkuLap www dr jordan design de Page 33 Dr Jordan Design In addition you can enter the exact marker position with the keypad Select a marker and use time set from the context menu Marker Knall start 11 03 2013 117 H s M a s Ende 11 03 2013 17 Hleevhzs Cancel Delete Select a marker and press the Del key Rename Select a marker and use marker rename from the context menu Listen Select a marker and use listen to marker from the context menu AkuLap www dr jordan design de Page 34 Dr Jordan Design Move ZS Unbenannt 1 LEQ A dB Zeit min IDr Jordan Design 48000 3192 117105 A Blackman Fast v 28 105dB v Each marker contains three active elements With the middle box you can move the marker With the left or right box you change its size 15 2 1 Marker type level With this type of marker you can reduce or increase the level within the section Typically this is used for certain periods of time e g during night If the noise contains tonal components such markers are useful for adding a penalty level You can use this type of marker in a similar way Select a measurement rectangle choose marker level and enter the name and the level offset Marker zur Pegelanpassung Mame Sirene Pegelverschiebung q dB Abbrechen The level offset can be positi
5. 43 138 weighting data blacks 393 5 M start time Sunday April 13 2014 11 53 19 center frequency 1000 Lancel ZS Unbenannt 2 SPL Fast dB 1000Hz 2 5 Zeit min e S E S a ti T Im m u a 2 AkuLap www dr jordan design de Page 27 Dr Jordan Design 14 Average level measurements By using the room manager you can easily calculate the average of several measurements within one section Press the AVG button from the tool bar SS Unbenannt Dr Jordan Design Hilfe Select level measurement Select measurement type Which kind af measurements do you want to average reverberation d room acoustics The room manager will start Mess positionen section positions sound source x 2 von d 2 microphone distance X 2von2 600 Dm m set Nameldoes not exist MIC 2 L5 2 show UK Cancel Select a section and press ok AkuLap www dr jordan design de Page 28 Dr Jordan Design Akulap creates a report and opens it This report contains the following averages e LAEQ e LCEQ e Spectrum Z weighted as table and graphic In addition several CSV files are created for easy import to excel Next we show some screenshots of such a report 2 Mozilla Firefox Biel E Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe 3 file C Dokumente h average report htm Pegelmessung gemittelter Bericht E
6. aH ist E PME kie ined 6 ME E 7 O Jorn TIS SCI c M 10 7 Delect me measurement FUSE nina nn 11 AE CONDE GON m 12 9 Organize HEET 15 SE seet 15 22 NNEC CUT NCS we M 17 IS SE Ne EEN CT 17 10 Narrow band analysis with PET 18 PE WEE TE 19 TZ DONA SLON I ai 20 13 Durno ENEE 22 15 1 1 Analysisor the measur e EE 23 14 Average level eS UFEIEHIS e REESE ET IRIURE TIR QUEE en EIE 26 IX Maker c M 31 15 1 VON Me T 31 15 2 How touse markers Goan nano tannin nas 32 15 2 1 Marker type level 35 Ee 36 E EE 37 E TE 36 AME son E 40 18 EDO 7 7 2 41 GE V DO IgDDI Rm M M HX 42 AkuLap www dr jordan design de Page 3 Dr Jordan Design AkuLap is a professional tool for powerful real time signal and system analysis By using the PC environment it is not only a cost efficient replacement for classical laboratory equipment AkuLap offers more powerful features combined with a comfortable user interface Typical applications are acoustic measurements room and building acoustics and noise monitoring If you run Akulap on a not
7. number of measurements If you multiply the average time and number of measurements you get the total duration of one measurement For typical measurement durations we have pre defined buttons Alternatively you can set the time manually day hour minute second 13 1 1 Analysis of the measurement Once you stopped y measurement you can e Save e Create a report e Plot level vs time curves AkuLap www dr jordan design de Page 23 Dr Jordan Design 13 1 1 1 Save You can save a measurement to disk with the save button from the toolbar OL rel Later you can load such file to create e g a report etc rie All measurement results are organized by the room manager We discuss this room manager in a separate section of this user manual Messpositionen section positions sound source x 1 van 1 m microphone distance x dod Joon Ei Mame does not exist MI 1 L5 1 gen Cancel 13 1 1 2 Report AkuLap www dr jordan design de Page 24 Dr Jordan Design From the measured data you can create an automated report This report contains a variety of statistics and can be archived easily printed or exported to Word Excel The report is generated as an HTML file and automatically open your Internet browser You will first be asked for the location to save the date This 1s done through the room manager This is explained in a separate section The data
8. 0 348 109 6dB LCeg LAeg 9 208 LAFteq 119 4dB 5 LCpeak 1294dB LAFmax 119 4dB LAFteq LAeq 19 1dB 33 8dB www dr jordan design de Page 21 Dr Jordan Design 13 Starting a measurement Once you started Akulap all measurement results are displayed in real time This interactive mode s useful to analyze a device directly Any measurement results are NOT stored Instead you have to start a measurement manually to get all results over a period of time Press the start button from the tool bar The measurement will stop automatically when the measurement time has elapsed In addition you can stop a measurement manually with the stop button During a measurement the following parameters a stored Wide band e SPL with time weighting F S I e LEQ e Taktmaximalwert e Peak value These values are stored for the frequency weighting Z A C simultaneously In addition Akulap stores the 1 3 octave spectrum un weighted Z By default all measurement results are stored with in interval of 125ms for a duration of 5min You can easily modify these settings s el 7 AkuLap www dr jordan design de Page 22 Dr Jordan Design Amin 10min 3llmin Set 4h Bh 24h duration settings Average tine number af measurements longterm measurement recorder min frequency max frequency log spectrum The most important parameters are Average time and the
9. 6 1dB LAFmax 116 0dB LCpeak 119 3dB 29596 dB LAFteq LAeq 0 0dB LAFteg 116 0dB LEO A dB time 0 xi el al ES 2 5 time min vl rast 1 138 12708 el 4 JDr Jordan Design AkuLap www dr jordan design de Page 12 Dr Jordan Design Press the button CAL from the toolbar You can freely select the calibration level Common are 94dB 114dB and 124dB for pistonphones Please ensure that the level of the calibrator 1s within the measurement range If you select save the system will save the calibration offset permanently If you select disable no calibration is used The reference level OdB will be full scale of the AD converter This feature 1s for advanced users Enter a level of 114dB and press ok The system should now show the correct SPL of 1 14dB amp Untitled Dr Jordan Design File Edit Options Plug Ins DSP Wizards Presets Overlays ASIO View Windows Help Easy Measurements 5 etc a mi 4 CAL AVG lt Wi ZS Untitled 2 i a ecd EE ET E EI TEE e e ceo Ex ch CH Lo m ut wt Lo pe frequency Hz LCeq LAeq 0 0dB LAeq 115 8dB LCeq 115 8dB LAFmax 116 0dB LCpeak 119 3dB M LAIS dB LAFteq LAeq 0 1dB LAFteq 116 0dB time 0 time min Ey E Ei E Dr Jordan Design 5 Fast v1 38 127dB v We recommend calibrating before each measurement In addition this simple step verifies the complete measurement chain Ple
10. B LCEQ dB LAFMAX LAFTEQ Startzeit Dauer Datum Uhrzeit 1 955 18 03 2013 35 ms 18 03 2013 350ms 18 03 2013 8 F XU SS Se ka E J K L Dauer Datum Uhrzeit 1 958 18 03 2013 19 20 46 350ms 18 03 2013 19 20 46 350ms 18 03 2013 19 20 47 Page 36 Dr Jordan Design 15 2 3 Report In a report Akulap will summarize all markers in a clear table Name Type Offset dB LAEQ LCEQ LAFMAX LAFTEQ Start Duration Ti me dB dB dB dB eem gt ne 90 pm ke rum AkuLap www dr jordan design de Page 37 Dr Jordan Design 16 Audio recordings With Akulap you can perform long term sound recordings The duration ranges up to months and s limited by the capacity of the hard disk only The recording will be automatically divided into blocks so that the file sizes remain manageable The block size is adjustable with a typical length of 15min Using the predefined measurements 1s the easiest way to start an audio recording By default the recording time 1s 30 days However you can stop the measurement at any time Spektrum Nachhallzeit Rau Ter okar FFT Knall Chirp schen Ultraschall Lautheit Sone 48kHz musl ISO 532B S Tiefe Frequenzen Leer DIN 45680 Veranstaltungen Langzeit DIN 15905 5 Tanaufzeichnung You can configure your settings individually settings Average time number of measurements longterm measurement recorder mar fre
11. This quick guide covers only a fraction of the features In order to simplify the operation the program starts with clear and simple user interface This interface 16 tailored to the typical measurement tasks menus You can switch Akulap via Options Expert Mode The program then restarts and displays the advanced options This setting is permanent You can switch back to simplified mode at any time A description of the advanced options can be found in the extensive about 400pages user manual In addition you will find there a lot of background information Of course this manual cannot replace thorough acoustic knowledge We provide individual consultations on a fee basis Please note that we offer free support only for the service technical support Unfortunately we cannot answer basic acoustic questions free of charge For this purpose we offer training courses on different topics together with the company Stratenschulte Messtechnik AkuLap www dr jordan design de Page 41 Dr Jordan Design 19 Sample report Akulap creates an automatic report with the following plots e Level vs time AF e Taktmaximalpegel 5s A F e Level vs time LEQ A and C in one plot e Average spectrum Z LEQ The average spectrum and the level vs time data are saved as a table Einstellungen Beginn der Messung Thursday April 07 2011 12 26 57 Anzahl der Datenpunkte 2400 Me intervall 125ms Me dauer 5m Os Kalibrieroffset 133 6dB Pegel Zei
12. ase ensure that the level of the calibrator s within the range of the analyzer The system has detection for overload and underload In this case use a different calibration level or measurement range AkuLap www dr jordan design de Page 13 Dr Jordan Design amp Untitled Dr Jordan Design t ec a CALAVG o B OVERLOAD SPLIF 98 1dB Z 98 2dB A WB ba o wt Es e Cc Le 022 j I Jordan Desien E Bus I alo c ut d u D e D co D Signal level is too high Please use a calibrator with 94dB Signal Statistik LCeq LAeq 0 2dB LAeq LCeq 98 0dB LAFmax 98 2dB LCpeak 98 8dB LAIS dB LAFteq LAeq 0 0dB LAFteq 98 2dB time 0 x el al gt time min la Fast 27 3548 AkuLap www dr jordan design de Page 14 Dr Jordan Design 9 Organize your measurements Akulap contains a manager to organize your measurements With this manger you can easily keep the overview about thousands of measurement points You can easily calculate averages about several measurement points This manager helps you to store all your results in a structured way 9 1 Use the Room Manager Messpositionen section positions sound source X 1 van 1 CEN microphone distance E 1 van 1 ppm Dm m sel New Namefexist MIC_1_L5_1 ES date 17 10 2013 12 02 Cancel With the room manager you can organize your measurement positions You can separate large room into secti
13. ction Akulap calculates all signal statistics from the marked sections 3 Level You change the level of marked sections simply mark the sections with the mouse in the level plot In addition you can enter precise times It is very useful to enter a name for a marker The name is plotted in all graphics Akulap creates a table with all signal statistics for the markers When you change the length of a marker interactively with the mouse all statistics are updated in real time This feature 1s useful to analyze the effect of a marker If the measurement included a wav recording you can listen to the recorded sound of the marked section AkuLap www dr jordan design de Page 31 Dr Jordan Design 15 2 How to use markers You set and edit markers once you save a measurement and loaded it again Double click with the left mouse button in the lower SPL vs time view A measurement rectangle opens You can move or resize this rectangle with the mouse amp Unbenannt Dr Jordan Design Datei Bearbeiten Optionen Module Ansicht Fenster Hilfe imm eM goa Stat c i rLCeqg Aeg 0 0dB LAeq 50 2dB LCeq 50 2dB LAFmax 71 6dB a LCpeak 92 8dB LAS5 30 5dB LAFteq LAeq 15 4dB LAFteq 65 6dB Zeit 22 00s FEET NET 20k Frequenz Hz Dr Jordan Design amp Un Unbenannt 1 Ere SPL Fast A dB Dr Jordan Design Bereit i E slow 2 105d8 Zoom zur ck Zoom wiederherstellen Standard Zoom B
14. ebook or even a tablet PC you can easily build a mobile measurement system Akulap can use many different front ends In most cases you will have the most advanced setup which consists of a Laptop and a USB measurement microphone i i D Di i SN d md ram pn Gam das 05 Et dem UR Um e Um RAUM FR e UE Ge US Er ge res rm ps D 1 AkuLap www dr jordan design de Page 4 Dr Jordan Design 1 General Description With this compact measuring system you can perform a wide range of acoustic measurements in a simple way The system consists of a computer and one measuring interface that you connect via USB Depending on your requirements and you can connect high precision type approved measurement microphones By using the PC environment you get a large user interface Short learning curve Measurement results can be quickly and easily exported for documentation as a graphic or table Modular system You can use different vendors manufacturer for measurement microphones Modern computers provide high computing power The functions are available for advanced analysis Today measurements are possible which could not be offered so far in this price range Features With the large display it is very user friendly compared to classic hand held sound level meters Measurement of noise according to international standards Measure all parameters simultaneously e g LCeq Lceq LAFmax Lcpeak LAFTeq L95 etc Automatic re
15. ereich auschliessen vom Mess Rechteck Bereich Pegel anpassen vom Mess Rechteck Marker umbennen Zeit setzen SPL Fast A dB Audio abspielen vom Mess Rechteck normalisiert Audio abspielen vom Mess Rechteck Marker anh ren Uhrzeit anzeigen Beschriftung Zeit min IDr Jordan Design 48000 3192 17105 A Blackman Slow 28 10508 Select Marker exclude from measurement rectangle Enter a name for the marker Marker Name Knall Abbrechen AkuLap www dr jordan design de Page 32 Dr Jordan Design 3 Unbenannt 1 SPL Fast A dB Zeit min Dr Jordan Design 48000 s192 vjl17ims A el Blackman Slow 28 105dB Close the measurement rectangle by clicking on the red x in the upper right corner ZS Unbenannt 1 SPL Fast A dB Zeit min Dr Jordan Design 48000 a192 w i17ims ja Blackman Slow w 28 105dB e The red marked section will now be ignored for any statistic calculation Signal Statistik LCeq 1Aeg 1 0dB LAeq 54 708 LCeq 55 7dB LAFmax 86 8dB LCpeak 107 9dB LA95 30 9dB LAFteg LAeq 14 7dB LAFteg 69 4dB Zeit 4m 455 zl sl se Double click on the marker to deactivate it In this case the marker is displayed but ignored for calculation In this case the section is not ignored anymore Signal Statistik LCeq Aeq 0 9dB LAeq 54 6dB LCeq 55 5dB LAFmax 86 8dB LCpeak 107 9dB LAI5 30 9dB LAFteq4 Aeq 14 7dB LAFteq 69 3dB
16. esign values might be caused by a frequency deviation of the calibrator At exact 1kHz both values are identical 7 Select the measurement range Some types of USB measurement systems have different measurement ranges You will find the available ranges in the lower right corner Select the desired range with a mouse click Dr Jordan Design Untitled amp Datei Bearbeiten Optionen Module DSP Vordefinierte Messungen Eigene Voreinstellungen berlagerung ASIO Ansicht Fenster Hilfe X Assistenten 1k Frequenz Hz Dr Jordan Design 44100 1024 23ms z Wind OFF The calibration does not change if you select a different range AkuLap www dr jordan design de Page 11 Dr Jordan Design 8 Calibration In this example we use a calibrator with 114dB When we connect the calibrator we get a SPL reading of 116dB Therefore the system requires calibration amp Untitled Dr Jordan Design File Edit Options Plug Ins DSP Wizards Presets Overlays ASIO View Windows Help Easy Measurements 5 ec a 9 t CALAVG E amp Untitled 2 SPL Z dB frequency Hz a LCeq LAeq 0 0dB LAeq 116 0dB LCeq 116 1dB LAFmax 116 0dB LCpeak 119 2dB LA9595 dB LAFteg L4eq 0 0dB LAFteq 116 0dB LEO A dB time 0 time min Ey E EST El Dr Jordan Design IE Fast 1138 12706 reference level 114 dB disable Cancel save LCeq LAeq 0 0dB L eg 116 0dB LCeq 11
17. g Bewertung Z LEQ 79 2dB SPL Fast min 75 3dB max 87 6dB SPL Slow min 76 1dB max 85 8dB Spitzenwert ohne Zeitbewertung 113 1dB Bewertung A LEQ 66 4dB SPL Fast min 53 2dB max 86 5dB SPL Slow min 53 4dB max 80 1dB Spitzenwert ohne Zeitbewertung 114 4dB Bewertung C LEQ 71 5dB SPL Fast min 53 5dB max 87 0dB SPL Slow min 54 0dB max 84 9dB Spitzenwert ohne Zeitbewertung 111 8dB Statistiken 1 3 Oktav Bewertung Z Frequenz Hz LEQ Z dB LEQ A dB LEQ C dB 5 39 2 54 0 14 1 6 38 8 46 6 17 5 8 37 2 40 3 19 6 10 37 9 32 6 23 5 13 38 8 24 8 27 5 16 38 1 18 3 29 7 20 39 7 10 7 33 5 25 39 1 5 7 34 7 32 37 4 2 1 34 4 40 38 6 4 1 36 7 50 45 0 14 7 43 7 63 36 2 10 0 35 4 80 44 5 22 1 44 0 100 46 3 27 2 46 0 125 53 5 37 3 53 4 160 48 7 35 5 48 6 200 52 7 41 9 52 7 250 64 3 55 7 64 3 315 68 2 61 6 68 2 400 60 2 55 5 60 3 AkuLap www dr jordan design de Page 45 Dr Jordan Design AkuLap www dr jordan design de Page 46
18. g LCeq LAFmax LCpeak LAI5 LAFteq LAeq dB LAFteq time frequency Hz Dr Jordan Design z slow 38 12708 vl You will see the main window the predefined measurements and the signal statistics AkuLap www dr jordan design de Page 7 Dr Jordan Design The window with predefined measurements allows you to perform several measurements easily with one click The program will be reset automatically spectrum HIP 171 s FFT shot noise ch Loudness sone EM ISO 532B You can always put this window to foreground by pressing the green button eg a o 1 en AVG 7 m Select one measurement e g 1 3 octave RTA RTEO FFT shot noise Chirp Loudness sone Shs ISO 5328 LCeq LAeq L eg LCeq LAFmax LCpeak LAIS LAFteq LAeq dB LAFteq FE time 6k 8k 600 800 1k 10k frequency Hz 7 wilsiow w1138 127dB Dr Jordan Design www dr jordan design de AkuLap Page 8 Dr Jordan Design amp Untitled Dr Jordan Design File Edit Options Plug Ins DSP Wizards Presets Overlays ASIO View Windows Help Easy Measurements sie eje 44991 amp Untitled 2 sl un 00000 IF 75 8dB Z 67 50 A RE IK TETTHEHTHTTHTIT 1 20 40 60 80 400 10 100 SPL Z dB 200 600 frequency Hz LCeq LAeq 7 7dB L eq LCeq 71 0dB LAFmax 74 5dB LCpeak 86 8dB LAIS dB LAFteq LAeq 7 6dB LAFteq 70 5dB time ZH time min
19. gn 44100 32768 el 743ms la el Blackman The default frequency resolution is 1 3Hz You can increase the frequency resolution by adjusting the FFT size However the higher 16 the frequency resolution the lower the time resolution The system will move slowly AkuLap www dr jordan design de Page 18 Dr Jordan Design 11 Weighting Filters Akulap s the following weighting filters e Z without weighting e A e C You can change the current weighting in the status bar in the lower right area 44100 3192 186ms During a measurement all weighting filters are stored simultaneously AkuLap www dr jordan design de Page 19 Dr Jordan Design 12 Signal statistic With the signal statistic window you get a quick overview Signal Statistik LOeg L4eq 0 406 Leg LC eg LAFmax LCpeak Logs L Fteg L eq 0 206 L4Fteq time With the buttons X1 X2 X4 you can enlarge the statistic window to read it easily from a distance You can copy the current results to the clipboard with the button gt and then export it easily to Excel LAeq LOO dB LCeq L09 GdB LCeq LAeq I 8 LAFteq 119 4dB LCpeak 129 4dB LAFmax 119 4dB LAFteq LAeq IY Lab LA95 29 CB AkuLap www dr jordan design de Page 20 AkuLap Dr Jordan Design E4 Microsoft Excel Mappe1 RE patei Bearbeiten Ansicht Einf gen 1 Dei LCeq Da e el v re oF 10
20. ion 3 This directory structure is stored 10 a database You should NOT rename move or delete any directories by hand Use the functions of the room manager to perform these tasks If you change directories the program recognizes this and you receive an error message Therefore use always the room manager to delete or rename rooms sections etc 9 3 Archive measurements If you have a variety of rooms measured the project can quickly get confusing We therefore recommend archiving older measurements l Close AkuLap 2 Move the individual rooms to any directory This can be done as usual by means of the operating system for example File Explorer 3 Start AkuLap and start the room manager You receive a message that the room was not found and has been deleted from the database AkuLap www dr jordan design de Page 17 Dr Jordan Design 10 Narrow band analysis with FFT If you need a narrow band analysis we recommend using the FFT You can detect tonal components or measure e g the base frequency of a power generator Select the mode FFT amp Untitled Dr Jordan Design Datei Bearbeiten Optionen Module DSP Vordefinierte Messungen Eigene Voreinstellungen berlagerung ASIO Ansicht Fenster Hilfe Assistenten 400 500 Frequenz Hz LCeq LAeq 0 0dB LAeq 114 0dB LCeq 114 0dB LAFmax 114 0dB LCpeak 117 3dB LAIS dB LAFteq LAeq 0 0dB LAFteq 114 0dB LEO A dB Zeit wl el zl E Zeit s Dr Jordan Desi
21. is stored at My documents Measurements level in an individual directory A new subdirectory is created for each measurement After a short time your internet browser will open with the report Here you can print the report using the usual functions from your internet browser AkuLap www dr jordan design de Page 25 Dr Jordan Design 13 1 1 3 Plot level vs time Once you finished a measurement you can plot various parameters It is not required to save the data before DER K settings type infa SPLIF ast intervall 125m duration 4H 13s weighting data blacks 393 5 start time Sunday April 13 2014 11 53 19 center frequency full span Cancel In the right part you see some detailed info about your measurement On the left side you can select different parameters SPL with different time weighting F S I LEQ Taktmaximal Peak value All parameters are available wide band or for a single band using the 1 1 or 1 3 filter bank For all wide parameters you can enter the frequency weighting All narrow band data uses no frequency weighting Z The following curve shows SPL F with no frequency weighting KE Unbenannt 2 EEK SPL Fast dB Zeit min With the following section you can plot the narrow band SPL with a center frequency of 1000Hz AkuLap www dr jordan design de Page 26 Dr Jordan Design settings tupe infa SPLIF ast intervall 125m duration
22. ons For each section you can create an unlimited number of measurement points with different sound source and microphone positions For documentation purposes you can enter the distance between sound source and microphone With the room manager you can edit or delete rooms sections or positions Create a new room with New AkuLap www dr jordan design de Page 15 Dr Jordan Design Please enter a name Far the new roam roomd cancel Enter the new name end press enter Messpositionen positions sound source van 1 02 microphone distance 1 von 1 BZ 1000 m set x Hameldoes not exist MIC 1 L5 1 show OK Cancel AkuLap www dr jordan design de Page 16 Dr Jordan Design With C you can change the name later With X you can delete a complete room Messpositionen Kaum Burg Mustermann In a similar way you can edit or delete sections of a room When you begin a room contains a single section with the name Standard with one measurement position 9 2 Directories The room manager saves all files at My Documents Measurements Level MANAGED For each room a separate sub directory 1s created In each room you will find subdirectories with the different sections In each section you will find the directories with the individual measurements The directory MIC2 LS3 contains the measurement with the microphone position 2 and the sound source posit
23. port generator Real time 1 3 octave analyzer according to IEC1260 class 0 FFT analysis Level vs Time plots Signal statistics Audio recorder wav mp3 synchronous to the signal analysis Tonal components IEC 45681 Supports Marker for post processing Loudness ISO 532B Sone Easy export of measurement results via graphic or table You can use different signal acquiring hardware E g USB class 2 microphones Akulap runs on different PC notebook Tablet AkuLap www dr jordan design de Page 5 Dr Jordan Design 2 Content of package A measurement system with Akulap consists of Measurement PC USB Interface Measurement microphone Product CD User manual Optional sound level cal brator 3 Installation Please run setup exe from the CD and follow the instructions 4 Interface connection USB measurement microphone OO ge Dr Jordan Design UNIVERSAL SERIAL BUS simply connect the USB microphone to one USB port That s all No driver no external power supplies Simply start the measurement AkuLap www dr jordan design de Page 6 Dr Jordan Design USB measurement interface Simply connect the USB interface to one USB port and connect the interface to the microphone 5 Start Akulap ZS Dr Jordan Design Untitled 16 ec a o CALAVG 7 w l EIE ME SE d KEE spectrum RT60 171 5 FFT shot noise Chirp Loudness sone SS ISO 5326 LCeq LAeq L e
24. quency lag spectrum EW 1min Amin 10min 3lmin 1h Zh 4h ah 24h 300 z 8640 duration 30d 0h Om Os n Set 0 Please ensure that the recorder is active For long measurements we recommend using long average intervals to save memory In this example we use Smin In some cases you will need more advanced settings Press the set button AkuLap www dr jordan design de Page 38 Dr Jordan Design recorder file length 30 i d Cancel e Decimate A You can adjust the maximum file length Small files are easier to handle In this example we use 30min If you record 24h you will get 48files The files are named automatically with a timestamp You can reduce your disk space when recording audio Activate decimate 4 to reduce the sample rate by a factor of 4 Of course this reduces the bandwidths But in many cases a bandwidth of 8kHz Samplerate 16kHz is sufficient All recordings are saved in the directory My documents Measurements Waves AkuLap www dr jordan design de Page 39 Dr Jordan Design 17 Directory structure My documents Measurements Level This directory contains all level measurements The room manager uses the directory MANAGED Do not modify these files by hand Waves All audio recordings are saved to this directory AkuLap www dr jordan design de Page 40 Dr Jordan Design 18 Expert mode The program has two modes of operation
25. tverlauf A F www dr jordan design de 85 0 80 0 75 0 tn 2 a 70 0 v u B50 D e 50 0 55 0 50 0 0 0 0 5 1 0 15 2 0 2 5 3 0 3 5 4 0 Zeit min Or Jordan Oesign Taktmaximalpegel 5s A F AkuLap www dr jordan design de 4 5 Page 42 Dr Jordan Design unn dr jordan design de 85 0 _ 80 0 ol 75 0 F LL et 3 70 0 EA a e B5 0 Ka Le E 60 0 fe gt 55 0 0 0 0 5 1 0 1 5 2 0 2 5 Zeit min Or Jordan Oesign Pegel Zeitverlauf LEQ www dr jordan design de 90 0 85 0 70 0 LEO dB 65 0 0 5 1 0 1 5 2 0 2 5 Zeit min Dir Jordan Design 3 0 3 0 3 5 a 4 0 4 5 LEG C LEG A 4 0 4 5 AkuLap www dr jordan design de Page 43 Mittleres Terz Spektrum Z LEQ Dr Jordan Design unn dr jordan design de 70 0 55 0 60 0 55 0 mn 40 0 rA 45 0 40 0 35 0 E Ie en Von e lea den len Iw I BD 8 0 70 3n BD 80 10 100 Or Jordan Oesign TA L rm Parameter TA L rm dB LAeq 66 4 LCeq 71 5 LCeq LAeq Di LAFteq 74 3 LCpeak 111 8 LAFmax 86 5 LAFteq LAeq 7 9 LA95 53 4 Perzentile A F Perzentile dB LAF95 53 4 LAF5 72 6 LAF1 78 5 LAFO 1 82 2 AkuLap 53 5 48 7 LEQ 79 2dB Z 66 4dB A Bz 7 64 5 68 2 60 2 61 2 55 6 200 900 600 800 2 1k Frequenz Hz www dr jordan design de Sk Page 44 Dr Jordan Design Statistiken breitbandi
26. ve or negative The marker does not modify the SPL curve itself Akulap considers this marker during calculation of the statistics only 3 Unbenannt 1 SPL Fast A dB Zeit min Dr Jordan Design AkuLap www dr jordan design de Page 35 Dr Jordan Design Hint This type of marker is very useful for just marking sections without any influence to the signal statistic All reports will contain this marker and its statistic information Simply enter a level offset of OdB 15 2 2 Marker overview Akulap can report all markers in a clear way From the context menu select marker overview For each marker you will get the following statistical information LAEQ LCEQ LAFMAX LAFTEQ Marker Name Knall 1 Einschliessen Ja 102 1 101 4 113 0 1 175 Ruhel Ausschlies Ja 45 3 49 5 84 3 1 975 S ge Pegel Ja 50 4 57 7 107 5 2 905 Use the button clipboard to copy the content to e g Excel E3 Microsoft Excel Mappe1 Datei Bearbeiten Ansicht Einf gen Format Extras Daten Fenster D m Eb 424Y A See wr L EL MEAS 100 ad i B10 A B Te ee RR Ve RR RR RR RR 1 Name Typ Pegelverschiebu Aktiv LAEG dB LCEG dB LAFMAX dB L amp FTEG dB Startzeit 2 Knall 1 Einschliessen Ja 102 1 101 4 113 1417s 3 Ruhet Ausschliessen Ja 45 3 495 84 3 1 978 4 S ge Pegel 3 Ja 50 4 67 7 107 5 2 558 5 AkuLap www dr jordan design de Typ Pegelve Aktiv LAEQ d

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