METHOD FOR REDUCING ECHO AND RELATED ECHO REDUCING DEVICE AND VOICE APPARATUS THEREOF
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United States of America Patent
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Issued Date -
Oct 1, 2009
app pub date -
Mar 26, 2008
filing date -
Mar 26, 2008
priority date (Note) -
Abandoned
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Abstract
A method for reducing echo includes detecting whether an output sound volume is greater than a threshold value, and setting an input sensitivity from a first designated sensitivity value to a second designated sensitivity value when the output sound volume is detected to be greater than the threshold value. The method further includes detecting whether an interrupt signal is received, determining whether the interrupt signal is triggered by detecting that the output sound volume is greater than the threshold value when receiving the interrupt signal, detecting whether the input sensitivity is the second designated sensitivity value when determining that the interrupt signal is triggered by detecting that the output sound volume is greater than the threshold value, and setting the input sensitivity as the second designated sensitivity value when detecting that the input sensitivity is not the second designated sensitivity value.
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