Automatic adjustments of audio alert characteristics of an...

Details Automatic adjustments of audio alert characteristics of an... Automatic adjustments of audio alert characteristics of an...

2005-03-23

2009-12-22

Mei, Xu (Department: 2614)

Electrical audio signal processing systems and devices

Monitoring of sound

Amplification control responsive to ambient sound

C381S107000, C379S373010, C379S375010

Reexamination Certificate

active

07636444

ABSTRACT:
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 of the audio alert, such as, the volume level of the audio alert, based on the ambient noise level.

REFERENCES:
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patent: 0959608 (1999-11-01), None
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patent: WO-99/03259 (1999-01-01), None
patent: WO-99/05850 (1999-02-01), None

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