Necessary voice levels as limited by ambient noise for selected distances between speaker and listener for satisfactory face-to-face communication (from J.C. Webster, "Speech Interference by Noise," ...

An ambient noise app’s most important job is providing a variety of sounds that can evoke a soothing sense of calm, and offer environment control. The App Store is full of apps that accomplish this ...

Those of historic importance may be termed SOUNDMARKs. The area over which a sound signal may be heard is its profile or ACOUSTIC SPACE, which may be regarded as its sphere of influence. In modern ...

With any other ambient noise app, a large batch of new sounds would be a nice addition ... adding 25 portals was clearly a huge undertaking. That level of effort shines through with all of the app’s ...

Hospitals are often noisy environments due to 24/7 monitoring, medical equipment, and patient and nurse calls, all ...