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.
申请公布号 US8073146(B2) 申请公布日期 2011.12.06
申请号 US20080168916 申请日期 2008.07.08
申请人 CHENG HUA-DONG;LIAN WEN-CHUAN;ZHAO YAO;SUN JIAN;CHEN PENG;TSAI WEN-SHENG;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
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