Control device for driving multi-function speaker by using digital mixing scheme and related control method thereof
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United States of America Patent
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Sep 1, 2015
Grant Date -
Jan 17, 2013
app pub date -
Dec 22, 2011
filing date -
Jul 15, 2011
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Abstract
A control device and an associated method for driving a multi-function speaker supporting a plurality of predetermined functions including at least an audio function and a non-audio function includes a digital signal mixing block and a digital-to-analog block. The digital signal mixing block is arranged for receiving a plurality of digital input signals corresponding to the predetermined functions, respectively, and generating a digital mixed signal according to the digital input signals. The digital-to-analog block is coupled to the digital signal mixing block, for generating an analog driving signal to the multi-function speaker according to the digital mixed signal.
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