Audio test apparatus and test method thereof

Details Audio test apparatus and test method thereof Audio test apparatus and test method thereof

2008-07-08

2011-12-06

Tran, Minh-Loan T (Department: 2826)

Electrical audio signal processing systems and devices

Monitoring of sound

C381S058000, C381S059000, C381S098000, C700S094000

Reexamination Certificate

active

08073146

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.

REFERENCES:
patent: 2008/0144847 (2008-06-01), Chen et al.
patent: 2009/0080668 (2009-03-01), Zhou et al.
patent: 2009/0280800 (2009-11-01), Liu et al.
patent: 2009/0316917 (2009-12-01), Lo et al.

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