Audio test apparatus and test method thereof
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United States of America Patent
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Dec 6, 2011
Grant Date -
Feb 26, 2009
app pub date -
Jul 8, 2008
filing date -
Aug 24, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An audio test apparatus, and an exemplary audio test method that includes: processing an audio file through two independent channels; outputting no signals from a left channel and from a right channel in a first time period; receiving noise signals from the left and right channels; outputting single-frequency signals from the left channel only in a second time period; receiving the single-frequency signals from the left channel and crosstalk signals from the right channel; outputting multi-frequency signals from the left and right channels in a third time period; receiving the multi-frequency signals from the left and right channels; outputting single-frequency signals from the right channel only in a fourth time period; receiving the crosstalk signals from the left channel and the single-frequency signals from the right channel; and testing parameters according to the signals received during the four time periods.
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