Soft-db Opus Suite Building Acoustics Module Airborne Soun Manuel d'utilisateur

Opus Suite Building Acoustics Module Airborne Sound Isolation between Rooms ASTM E 336 / ISO 140-4 User Guide – v1.1 2012-12-06 Alto 6-Channel Conce

9 Step 3 Do a Reverberation Measurement To proceed to a reverberation measurement, select an element to measure in the table of the main panel and

10 Step 4 Analyze the results The result tab displays the results of the sound transmission class to the evaluated partitions. The measurements can

11 5 Main Interface Figure 1: Main interface Main controls and indicators Standard used for the STC evaluation. The standard can be changed at any

12 File Menu New Creates a brand new measurement session. Open Opens a previous measurement file. Save Saves the current measurement into the speci

13 6 Setup Interface Figure 2: Setup interface Input Setup The input channel used for the measurements The available input types are AC and ICP s

14 Level Measurement Setup The unit can be used to generate a pink noise or a white noise. The output signal is balanced on output 1 and output 2. I

15 6.1 Sensor Calibration The input sensitivity can be calibrated using the calibration function and a sensor calibrator. Click the button on the S

16 7 Measurements tab The Measurements tab can be divided in three parts. The partition information is in upper left corner. Just under is the t

17 If an element of the table is selected, the measurement interface will be called (see the following subsections). Click this button to delete th

18 Details of the selected element in the table Name and global level of the selected element. Description of the selected element Spectrum graph o

i CONTENTS 1 Introduction ...

19 7.1 Level Measurement Interface Level Measurement controls The Start/Pause button starts/pauses the average measurements. The measurement wi

20 7.2 Reverberation Measurement Interface Figure 3: Reverberation Measurement Interface Reverberation Measurement controls The Run/Pause butto

21 Once the measurement is acceptable, press the Accept button to return to the main interface. 7.2.1 Reverberation: Time Decay This display shows

22 7.2.2 Reverberation: Spectrum This display shows a selected result for each frequency band and global using a bar graph. To select a frequency or

23 7.2.3 Reverberation: Data This display shows all data for all frequency bands and global in a table form.

24 8 Result tab Figure 5: Result tab The Result tab of the main interface contains the table of result (left side) and the details (right side). Th

25 Details of the selected element in the table Name and value of the selected element. Description of the selected element Spectrum graph of the s

26 9 Comments tab The Comments tab on the main panel can be used as a general note pad that will be saved along with the measurement data.

27 10 Explorer Dialog Explorer Window Controls and Indicators File/Folder Operators • Go to parent directory • Open directory • Create new folde

28 11 File Manager The File manager is used to perform most file operations: • Navigate the directory structure • Create folders • Rename files a

2 1 Introduction Congratulations on your purchase of the Opus Suite STC module. The Opus Software Suite is a Sound and Vibration software that c

29 Directory Path Displays the path of the active directory. Shortcuts Allows easy access to common directories. When the File Manager is used on a s

30 Appendix 1: Concerto Hardware Connections 4 Inputs Mic Stand DC in ¼ 20 insert Power-on button Second Battery 2 Outputs USB port Right click

31 Power on/off Turn On Press the trigger button located at the back of the unit This key has two (2) functions: 1. To turn the unit ON. 2. Start

32 Power Reset If the Concerto happens to crash and it is not possible to take back the control, a power reset might be necessary. To complete the po

33 Inputs and Signal Processing Specifications (Embedded Signal Ranger MK3 DSP Board) DSP Processor Texas Instruments TMS320C6424 Inputs 4 Outputs 2

34 Appendix 2: 1/3 Octave Filters – IEC 61260 Class 1/ANSI S1.11 1/3 Octave Filters The 1/3 octave filters are computed at low-level in real time (at

35 Shape Test Numerical Results at 1 kHz The following table presents the numerical results of the shape test at 1 kHz: Frequency (Hz) Low limit (dB)

36 1/3 Octave Filter Linearity The linearity of the 1/3-octave filter has been measured for both ranges (low and high). The experimentation is done w

37 Frequency (Hz) Saturation Level (dB) Minimum Linear Level (dB) Linear Dynamic Range (dB) Noise Floor (dB) 12500 120.5 27.0 93.5 17.5 16000 120.5

38 Frequency (Hz) Saturation Level (dB) Minimum Linear Level (dB) Linear Dynamic Range (dB) Noise Floor (dB) 10000 132.5 33.5 99.0 23.5 12500 132.5

3 2 Compatible Hardware Every hardware option has an embedded state of the art Soft dB SR-MK3 DSP board allowing real-time and precise measurement w

39 Summation Test (High Range Case)-0.5-0.4-0.3-0.2-0.100.10.20.30.40.510 1001000 10000 100000Frequency (Hz)Amplitude dB

4 3 Opus Environment The Concerto unit comes equipped with the Opus Environment. This environment acts as a main interface that gives access to t

5 Modules The modules buttons will launch the associated module. When a module is opened, a license verification check is done. If no license is foun

6 4 Quick Start The STC module is part of the Building Acoustic. It can be accessed in the Building Acoustic menu of the Opus Suite panel. Measureme

7 Step 1 Setup the unit Click on the button to access the setup interface. The parameter should typically be set as shown on figure above. Before

8 Step 2 Do a Level Measurement To proceed to a measurement, select an element to measure in the table of the main panel and click the button to