Distance Attenuation Calc vs Connected by Panasonic Uso e estatísticas
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
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
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The Connected by Panasonic Industry App is desigend to work with and inform about Panasonic's Wireless Connectivity Modules.
A first overview about the newest Modules is given in the categories Bluetooth, Wi-Fi and 802.15.4. For each Module a detailed feature list is displayed. This gives an outline of the properties. In the easy accessible download section the current documentations are stored including Product Flyer, Product Specification or Module Integration Guide.
Use this app to connect your Smartphone or Tablet with Panasonic Industry Evaluation Boards and gain access to following functionalities with dedicated modules:
1. PAN1762
- Doorbell Demo: Let a Buzzer ring and change the sound via your Smartphone
- Cut-the-cable (together with Webdesktop-Application): Communicate between your Smartphone and your Laptop via Bluetooth
- Send image (together with Webdesktop-Application): Send a picture from your Smartphone to your Laptop via Bluetooth
2. PAN4620
- Mesh Demo: Control several evaluation boards via Smartphone/Tablet
3. PAN9420
- iFrame Demo: Display a Webviewer
A detailed description to prepare the module hardware for these demos, as well as the configuration of the desktop app, can be found in the respective documentation section of the Wireless Module. (e.g. https://pideu.panasonic.de/produkte/bluetooth/pan1762-bluetooth-50-low-energy-module.html in the download section)
The application note to the Demos in this App can be found here:
https://industry.panasonic.eu/devices/wireless-connectivity/connected-panasonic-industry
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Distance Attenuation Calc VS. 
Connected by Panasonicjaneiro 6, 2025