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A PDF version of this online manual is available AudioTool - Online Manual - Bofinit Corporation.pdf. The Excel tool for preparing AudioTool calibration files. Affordable RTA/reference mics? Well as a cheaper alternative to Smaart. Go to the Dayton audio website and download a calibration file which you load into. Oct 09, 2013 You set the SPL in Smaart to 94dB while the calibration piston is. In the help file it says. However the calibration/sensitivity information cannon be saved.

My AMPROBE SM-CAL1 Sound Meter Calibrator just arrived and I thought I would figure out how to setup an accurate SPL meter in Smaart 7. Fortunately, Rational Acoustic’s “Calvert Dayton” has already provided instruction on how to go through the process via a post on the Rational Acoustics forum. Calverts response is #7. Instructions as follows: 1.

Open the Amplitude Calibration dialog window by clicking CalibrateSound Level Options button in the dialog (Options >SPL/LEQ). Standalone Ftp Client No Install Virus. Select the audio device and input channel that you want to calibrate.

Turn on your calibrator and wait a moment for the average to stabilize — say 10-15 seconds for a microphone calibration using an SLC, maybe 20 to be on the safe side. 20 seconds would be enough time to build from -138.5 dB (all 0’s in a 24-bit integer) to 0 dBFS (all 1’s), given a 0 dBFS reference tone. Click the Capture button. Type your nominal reference level (e.g., 94, 104 or 114 dB) in the Calibrated Level field — when performing a microphone calibration in the field you generally want to use the highest output level that your sound level calibrator offers. Hit the Enter key to recalc the Calibration Offset.

Click the Apply button. If you want to calibrate additional inputs, go back to step 2 and loop through again.

Otherwise click the Done button to exit the dialog. Here is another website that described the method.

You can also use your own omnidirectional measurement microphone with a calibration. To do so, you will need to convert your calibration file so our measurement software can import it. Calibration files are usually supplied in formats like.cal or.txt Open up this file with any text editor and remove anything that is not the values for Frequency Response and Magnitude. You also don't need any title, description and ending texts in your file, so make sure they are deleted.

Once there are only the values for FR and Magnitude left, save this file as a. Surag Serial Full Episode more. txt file and our measurement software will be able to read it. Text file before editing: Text file after editing.