发明名称 |
A METHOD AND DEVICE FOR DETERMINING ACOUSTICAL TRANSFER IMPEDANCE |
摘要 |
The method comprises generating an acoustical volume velocity Q in the listening position, measuring a response quantity p, such as sound or vibration, at a suspected source position resulting from the volume velocity Q, and determining the acoustical transfer impedance Zt as the response quantity p divided by the acoustical volume velocity Q, Zt=p/Q. According to the invention the acoustical volume velocity Q is generated using a simulator (10) simulating acoustic properties of at least a head of a human being, the simulator comprising a simulated human ear (14, 15) with an orifice in the simulated head and a sound source (30) for outputting the acoustical volume velocity Q through the orifice. The output volume velocity Q from the orifice of an ear is estimated from measurements with two microphones inside the corresponding ear canal. |
申请公布号 |
WO2004092700(A2) |
申请公布日期 |
2004.10.28 |
申请号 |
WO2004DK00269 |
申请日期 |
2004.04.14 |
申请人 |
BRUEEL & KJAER;GEIGER, KLAUS;GLANDIER, CHRISTIAN;HELBER, ROLF |
发明人 |
GEIGER, KLAUS;GLANDIER, CHRISTIAN;HELBER, ROLF |
分类号 |
H04R5/027 |
主分类号 |
H04R5/027 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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