Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 10, 2007
0Patent Application Number
099461090
Date Filed
September 4, 2001
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for dynamically controlling audio signal gain in a communication device starts with determining a level of an input audio signal. The level is then mapped against a table of predetermined corresponding gain targets to determine an appropriate gain target for that level. The gain targets are then applied to the audio signal, which is then output. The invention is particularly suited to speakerphone operation in a communication device, wherein the gain targets provide compression, expansion or limiting so that distant speakers can be heard clearly.
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