发明名称 |
Active gain adjusting method and related system based on distance from users |
摘要 |
A gain adjusting system for adjusting a gain of a sound signal in an audio system, includes a first detecting unit for capturing images of one or more faces of users and determining the number of faces and the size of the faces present in the images; a controller for receiving face data from the first detecting unit for comparing the sizes of faces in subsequently captured images with an initial face size and accordingly deciding and outputting a first decision signal; and a gain regulator coupled to the controller for adjusting the gain level of the sound signal according to the first decision signal.
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申请公布号 |
US2008085014(A1) |
申请公布日期 |
2008.04.10 |
申请号 |
US20060307582 |
申请日期 |
2006.02.13 |
申请人 |
CHEN HUNG-YI;TSENG WEI-NAN WILLIAM;TSENG CHENG-TE;HUANG YEN-JU |
发明人 |
CHEN HUNG-YI;TSENG WEI-NAN WILLIAM;TSENG CHENG-TE;HUANG YEN-JU |
分类号 |
H03G3/00 |
主分类号 |
H03G3/00 |
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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