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db meter sound test(Sonomètre)

1.3.1 for Android

The description of db meter sound test(Sonomètre)

Sound test Decibel (dB) is also known as sound level meter, decibel counter (dBmeter), noise meter, sound pressure level counter (SPC counter)
It generates all test signals, performs an analysis and displays the results according to the user's configuration.
Tests are quickly created from a large library of predefined steps using the simple "sequence editor"
point-and-click: Text programming is not required. User-defined steps can be added to the library,
and the custom LabView code can even be integrated into a sequence to extend its capabilities.
 A sequence can be as simple as 3 steps to simply play a test signal and acquire and display the response,
 or as complex.
 This Sound tester is a speaker test includes a real-time virtual analyzer, a multimeter, a signal generator, a spectrum analyzer and an oscilloscope.
Manual Signal Generator

Pink and white noise with a user-defined frequency range
Wav file with RMS and Peak level calibration
Equalization using calibration measurements or any user-defined curves
Optional USB button available for frequency signal generator and level control
Average, maximum, minimum (RMS and Peak) with overload indication
Linear and exponential calculation time (fast, slow and user-defined)
A, B, C and user-defined weights Selectable Max / Min values ​​with Pass / Fail indication
Real Time Analyzer
octave filters with true recursive digital filters
Average, Maximum, Minimum level with overload and real-time indicators
A, B and C and user-defined weighting filters
Complies with ANSI S1.11 and IEC 1260 linear and exponential standards (fast, slow and user-defined)

Delta Slider
Selectable graphic zoom
View the spectrum of the current waveform
Spectrum analyzer

FFT with arbitrary number of spectral lines (limited only by the speed and memory of the computer)
Hanman, Hamming, Blackman-Harris, Blackman, Blackman, Flat top, 4 Term Blackman-Harris and 7 Term Blackman-Harris
Complex or power average
Average, Maximum, Minimum level with overload and real-time indicators
Average calculation time (linear and exponential)
A, B, C and user-defined weights
Pure tonne frequency and amplitude extraction
Delta and Harmonic slider with THD playback
Selectable graphic zoom
See the last waveform of the current spectrum

Although it is an extremely powerful and flexible product, its capabilities can be described in 3 parts:

Test sequences - how the tests are configured by the operator
Virtual Instruments - Software Implementation of Standard Audio Test Equipment
Data analysis - the different analyzes that SoundCheck can perform on your data
The Sound Meter (or SPL) application displays decibel values ​​by measuring environmental noise, displaying measured dB values ​​in various forms. .
This application will use the phone's microphone to measure environmental noise decibel (dB) and display a value for reference.
With this application, you can easily measure the current level of environmental noise. Simple and easy to operate.
1. Indicates the decibelle per gauge
2. Display the current noise reference
3. Display of minimum / minimum decibels
4. Can calibrate the decibel for each device
The microphones of most devices are aligned with the human voice and the maximum values ​​are limited by the hardware. Very noisy sounds
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