About Distance Attenuation Calc
The Distance Attenuation Calculator is a physics/math calculator designed to find the sound level in dB decreases with distance from the sound source quickly and easily. Features: - Instant calculation. - Results are...
The Distance Attenuation Calculator is a physics/math calculator designed to find the sound level in dB decreases with distance from the sound source quickly and easily. Features: - Instant calculation. - Results are copyable to other apps. - Formulas are included as reference. - Supports up to 16 decimal places. - Supports various units for each input. - Works seamlessly on both iPhone and iPad. - Lightweight, compact app optimized for everyday use. - Ad-free and built with privacy in mind. Distance attenuation is defined as the way in which a sound level [dB] reduces as a listener moves away from a sound source. As sound travels from the source, the area over which the sound is spread increases like ripples on a pond. This means that the same amount of acoustic energy is dispersed over a greater area, and as a result, the sound level at any position on this area reduces as the distance from the source is increased. Sound attenuation describes how the SPL [dB] changes with increasing distance from the sound source. The sound attenuation formula is as follows: SPL₂ = SPL₁ - 20 * log (D₂ / D₁) Where: SPL₁ - Sound Pressure Level [dB] at point 1 SPL₂ - Sound Pressure Level [dB] at point 2 D₁ - Distance from the sound source to point 1 D₂ - Distance from the sound source to point 2 Thanks for your support, and do visit nitrio.com for more apps for your iOS devices.
Version History - Updated for the newest devices. - Minor bugs fixed. 1.3 Feb 23 - Updated for the newest devices. - Minor UI update. - Minor bugs fixed. 1.2 04/01/2024 - Update for Newest Devices - Bug Fixed 1.1 01/23/2021 1.0 07/20/2018
Previous Versions
Here you can find the changelog of Distance Attenuation Calc since it was posted on our website on 2024-03-21 14:35:44.
The latest version is 1.3 and it was updated on 2026-10-01 08:59:59. See below the changes in each version.
Distance Attenuation Calc version 1.3
Updated At: 2026-06-03
Changes: Version History - Updated for the newest devices.
- Minor bugs fixed. 1.3 Feb 23 - Updated for the newest devices.
- Minor UI update.
- Minor bugs fixed. 1.2 04/01/2024 - Update for Newest Devices
- Bug Fixed 1.1 01/23/2021 1.0 07/20/2018
Distance Attenuation Calc version 1.3
Updated At: 2026-02-23
Changes: - Updated for the newest devices.
- Minor bugs fixed.
Distance Attenuation Calc version 1.2
Updated At: 2024-04-01
Changes: Apr 1, 2024
Version 1.2
- Updated for the newest devices.
- Minor UI update.
- Minor bugs fixed.
Distance Attenuation Calc version 1.2
Updated At: 2024-04-01
Changes: - Updated for the newest devices.
- Minor UI update.
- Minor bugs fixed.
Distance Attenuation Calc version 1.1
Updated At: 2021-01-23
Changes: Jan 23, 2021
Version 1.1
- Update for Newest Devices
- Bug Fixed
Disclaimer
Official App Store Link
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