About SmarterSound - Sound analyzer
SmarterSound is the ad-supported version of the SmarterNoise Pro recording sound analyzer. It contains all the advanced sound analysis and recording features of SmarterNoise Pro, such as a frequency spectrum display,...
SmarterSound is the ad-supported version of the SmarterNoise Pro recording sound analyzer. It contains all the advanced sound analysis and recording features of SmarterNoise Pro, such as a frequency spectrum display, export of measurement data, a sound level meter with A-, C- or no sound level frequency weighting, and full screen modes for both video and audio recording.
Features of SmarterSound:
• Sound level measurement in video mode
• Sound level measurement in audio mode
• Camera snapshots
• Recording of video and audio files
• Recording timer that stops recording after set time
• Sound level activated audio recording
• Frequency spectrum display with spectrogram mode
• Peak frequency detection
• A-, C- or no sound level frequency weighting
• Export of measurement data in CSV format
• Full HD (1080p), HD (720p) or VGA (480p) video resolution
• Three video quality settings
• Archive for saved files
• Sharing of video and audio files and sound level graphs as images
• Calibration
• Location and address display
• Time and date display
• Continuous Leq, LAeq, LCeq value
• 10 second sound level average (Leq, LAeq, LCeq)
• 60 second sound level average (Leq, LAeq, LCeq)
• Maximum and minimum peak sound level
• Slow, fast or peak sound level display modes
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.
Previous Versions
Here you can find the changelog of SmarterSound - Sound analyzer since it was posted on our website on 2023-07-03 16:57:16.
The latest version is 1.026 and it was updated on 2024-04-22 12:15:52. See below the changes in each version.
SmarterSound - Sound analyzer version 1.026
Updated At: 2024-04-11
Changes: - Android 14 update.
- Fixed an issue where opening the app from a lock screen notification could cause the current measurement to be lost.
SmarterSound - Sound analyzer version 1.025
Updated At: 2024-02-27
Changes: - Fixed an ad-related issue.
- Moved settings items into sub-pages.
SmarterSound - Sound analyzer version 1.024
Updated At: 2023-12-21
Changes: The decibel graph on saved audio recordings can now be zoomed smoothly by pinching. The decibel graph has also been changed to make it easier to see peaks in sound levels in longer measurements.
SmarterSound - Sound analyzer version 1.023
Updated At: 2023-10-10
Changes: - You can now change the video playback position by dragging the video image.
- Scrolling of the live decibel curve was made smoother. To save battery life, smooth scrolling can be disabled from the settings.
- The leq curve on the live decibel graph can now be hidden.
SmarterSound - Sound analyzer version 1.022
Updated At: 2023-09-21
Changes: - Added medium speed decibel value update setting.
- You can now apply the selected weighting mode to the spectrum analyzer input.
SmarterSound - Sound analyzer version 1.021
Updated At: 2023-07-25
Changes: - Added an option to set the live decibel graph display duration to 15, 30 or 60 seconds.
- Added an icon to new measurements in the archive that haven't been opened yet.
SmarterSound - Sound analyzer version 1.020
Updated At: 2023-07-07
Changes: The spectrogram range setting was removed. Instead the spectrogram can be zoomed by pinching and scrolled by dragging. In camera mode, long clicking on the spectrogram enables you to interact with the spectrogram, instead of zooming the camera.
SmarterSound - Sound analyzer version 1.019
Updated At: 2023-05-26
Changes: Android 13 update.
Disclaimer
Official Google Play Link
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