Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kuo-Hung Wu0
Date of Patent
January 27, 2009
0Patent Application Number
116714710
Date Filed
February 6, 2007
0Patent Primary Examiner
Patent abstract
An audio system with power-on/off noise suppression and an audio amplifier thereof are disclosed. The audio system includes a front stage circuit and an audio amplifier. The front stage circuit is powered by a first supply voltage and outputs an audio signal. The audio amplifier amplifies the audio signal to drive a load. When a level of the first supply voltage drops below a threshold, the audio amplifier is disabled.
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