发明名称 |
Method and apparatus for automatic volume control in an audio player of a mobile communication terminal |
摘要 |
An automatic gain controller and a method using the same are provided. The automatic gain controller and method analyze background noise by operating a microphone mounted in a mobile communication terminal and automatically control the gain of the signal part which is non-audible due to the background noise. Thus, a user may listen to music by using an earphone or a headphone connected to the mobile communication terminal in an environment with background noise. The method includes receiving an audio signal to be reproduced, receiving a background noise signal introduced through a microphone, controlling a gain of the audio signal by comparing the background noise signal and the audio signal and outputting the gain-controlled audio signal so that the user can listen to the gain-controlled audio signal.
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申请公布号 |
US2007053528(A1) |
申请公布日期 |
2007.03.08 |
申请号 |
US20060516587 |
申请日期 |
2006.09.07 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
KIM GANG-YOUL;KANG SANG-KI;KIM JAE-HYUN |
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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