发明名称 |
AUDIO TEST APPARATUS AND TEST METHOD THEREOF |
摘要 |
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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申请公布号 |
US2009052678(A1) |
申请公布日期 |
2009.02.26 |
申请号 |
US20080168916 |
申请日期 |
2008.07.08 |
申请人 |
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD;HON HAI PRECISION INDUSTRY CO., LTD. |
发明人 |
CHENG HUA-DONG;LIAN WEN-CHUAN;ZHAO YAO;SUN JIAN;CHEN PENG;TSAI WEN-SHENG |
分类号 |
H04R29/00 |
主分类号 |
H04R29/00 |
代理机构 |
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地址 |
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