| 发明名称 |
CIRCUIT AND METHOD FOR ACOUSTIC SOURCE DIRECTIONAL PATTERN DETERMINATION UTILIZING TWO MICROPHONES |
| 摘要 |
A circuit for determining an angular direction of an acoustic source relative to a reference direction comprises an uni-directional microphone (12), an omni-directional microphone (20), and a background noise suppression circuit (11).
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| 申请公布号 |
WO03020006(A8) |
申请公布日期 |
2004.10.28 |
| 申请号 |
WO2002US25580 |
申请日期 |
2002.08.13 |
| 申请人 |
INNOMEDIA PTE LTD.;OUYANG, JING, ZHENG;LIN, NAN-SHENG |
发明人 |
OUYANG, JING, ZHENG;LIN, NAN-SHENG |
| 分类号 |
H04M9/08;H04R3/00;(IPC1-7):H04R3/00 |
主分类号 |
H04M9/08 |
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