Patent ID: 7567860

Claim:
An audio alert system, comprising: a plurality of audio alerts; a device configured to emit one or more iterations of the plurality of audio alerts and to detect an occurrence of a plurality of audio alert triggering events; and a plurality of data structures, wherein each data structure is programmed to relate detection of the occurrence of one of the plurality of audio alert triggering events to one of the plurality of audio alerts; wherein the device is configured to modulate the plurality of audio alerts according to an external variable to generate the iterations, including modulated audio alerts associated with the plurality of audio alert triggering events; wherein when one of the plurality of audio alert triggering events occurs, one of the plurality of data structures causes the device to emit a modulated version of one of the plurality of audio alerts related to the one of the plurality of audio alert triggering events; and wherein the device is configured to identify a position of the device relative to at least one additional device, and each of the at least one additional device is associated with a respective distinctive audio alert, each respective distinctive audio alert being modulated by the device as a respective position of the at least one additional device changes relative to the device.