We have all been using Adaptive Display for a while – it adjusts the display based on the ambient light at that moment. This app does exactly that with sound – adjusts the volume based on the ambient surrounding sounds around.
The app uses your microphone to detect ambient noise and intelligently increases or decreases volume. Once installed, it runs quietly in the background and is lightweight and battery efficient. There is no data collection – everything is processed locally on your device.
Perfect for people who move between quiet offices, noisy streets, or busy cafes throughout the day.
Android : https://tinyurl.com/mvb37ba4
On-lyneTech 