The automatic adjustment of audio alert characteristics of an alert device using ambient noise levels is described. In one aspect of the invention, a machine-readable medium has executable instructions to cause a machine to perform a method to receive an audio sample of ambient noise and adjust a characteristic...http://www.google.fr/patents/US8036391?utm_source=gb-gplus-shareBrevet US8036391 - Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels
Automatic adjustments of audio alert characteristics of an alert device ...
