发明名称 TEST SYSTEM WITH DIGITAL CALIBRATION GENERATOR
摘要 The present invention relates to calibration of a computerized test system (20) for testing digital audio devices (30) through a data communication interface. The computerized test system comprises a sound card and a digital calibration generator (31) for calibrating at least a signal receipt channel (25) of the computerized test system (20).
申请公布号 US2011258489(A1) 申请公布日期 2011.10.20
申请号 US200913127117 申请日期 2009.09.22
申请人 NIELSEN LARS BIRGER 发明人 NIELSEN LARS BIRGER
分类号 G06F11/00 主分类号 G06F11/00
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