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SmarterNoise Pro

SmarterNoise Pro is the most advanced edition of the SmarterNoise sound meter recorders

SmarterNoise Pro is the most advanced edition of the SmarterNoise sound meter recorders

SmarterNoise Pro

by Johan Rogard
SmarterNoise Pro
SmarterNoise Pro
SmarterNoise Pro

What is it about?

SmarterNoise Pro is the most advanced edition of the SmarterNoise sound meter recorders. Our Pro edition is developed especially with more advanced measurements in mind, and includes many requested features such as a frequency spectrum display, export of measurement data, A-, C- or no weighting, and full screen audio measurement. Our Pro edition does not contain any advertising, and performs accurately and fast.

SmarterNoise Pro

App Details

Version
1.004
Rating
(5)
Size
18Mb
Genre
Utilities Photo & Video
Last updated
March 29, 2020
Release date
July 19, 2019
More info

App Screenshots

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SmarterNoise Pro screenshot-6

App Store Description

SmarterNoise Pro is the most advanced edition of the SmarterNoise sound meter recorders. Our Pro edition is developed especially with more advanced measurements in mind, and includes many requested features such as a frequency spectrum display, export of measurement data, A-, C- or no weighting, and full screen audio measurement. Our Pro edition does not contain any advertising, and performs accurately and fast.


Features of SmarterNoise Pro:

Sound level measurement in video mode

Sound level measurement in audio mode

Sound meter snapshot camera

Record video and audio files (paid function)

Recording timer

Frequency spectrum display (paid function)

Peak frequency detection

A-, C- or no weighting

Export of measurement data in CSV format

Full HD (paid function), HD and VGA video resolution

Three video quality settings

Archive for saved files

Sharing of saved files

Calibration

Location, address

Time and date

Continuous Leq, LAeq, LCeq value

10 second sound level average (Leq, LAeq, LCeq)

60 second sound level average (Leq, LAeq, LCeq)

Maximum and minimum decibel level


About decibels and sound level measurement

The unit for measuring sound is called a decibel. Because the decibel scale is logarithmic, a sound with an intensity that is twice that of a reference sound corresponds to an increase of about 3 decibels. The reference point of 0 decibel is set at the intensity of the least perceptible sound, the threshold of hearing. On such a scale a 10-decibel sound is 10 times the intensity of the reference sound. Highlighting this is important as already a few decibels higher or lower makes a noticeable difference in how noise is perceived.

The preferred method to describe sound levels that vary over time, resulting in a single decibel value measuring the total sound energy over the period, is called Leq. It is however common practice to measure sound levels using A-weighting, which attenuates lower and higher frequencies that the average person cannot hear. In this case the value is called LAeq.

A- and C-weighting

The A-weighting is a standard, commonly used filter that attempts to alter the measured sound pressure levels to more closely match the perception of the human ear. A-weighting makes the sound level meter less sensitive to very high (over 8000 Hz) and low frequencies (below 1000 Hz).
C-weighting also attenuates low and high frequencies, but the attenuation of low frequencies is much less severe compared to A-weighting.

Calibrate:

Calibrate the application using the calibration tool found in the settings menu. Phones and their components vary in quality and setup so you need to calibrate the app in order for the results to be relatively comparable. One suggestion is that you close the window and door to your bedroom or bathroom, turn off appliances, and once its very quiet calibrate the app so the reading is about 30 decibel.

Disclaimer:
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