Patent ID: 6449371
Filing Date: 2002-09-10
Classification: G06F,H04S

Abstract:
A PC audio mixer configured to mix a PC audio signal having one or more PC audio signal channels with an audio surround sound signal having three (3) or more audio surround sound channels, and one or more function generators to generate an output signal having at least three (3) output channels which are functions of said PC audio signal and said audio surround signal, said one or more function generators comprise an audio signal multiplexer configured to select at least one of said one or more PC audio signal channels or at least one of said three or more audio surround sound channels, thereby generating at least one of said at least three output channels, wherein the selection of said at least one of said one or more PC audio signal channels or said at least one of said three or more audio surround sound channels by said multiplexer is controlled by a signal detector configured to detect the presence of said one or more PC audio channels or said three or more audio surround sound channels.