发明名称 |
Audio device and output method thereof |
摘要 |
An audio device and an output method thereof are provided. The audio device includes: an envelope detector configured to detect an envelope of an input audio signal; a power supply which includes a linear power supply (LPS) and a switching-mode power supply (SMPS); an amplifier configured to amplify the input audio signal; an output unit configured to output the audio signal amplified by the amplifier; and a controller configured to compare a voltage level of the detected envelope with a preset level, select one of the LPS and the SMPS based on a result of the comparison, and control the power supply to supply power from the selected one of the LPS and the SMPS to the amplifier. |
申请公布号 |
EP2704319(A1) |
申请公布日期 |
2014.03.05 |
申请号 |
EP20130181186 |
申请日期 |
2013.08.21 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD |
发明人 |
PARK, HAE-KWANG;LIM, DONG-HYUN |
分类号 |
H03F3/181;H03F1/02;H03F1/30 |
主分类号 |
H03F3/181 |
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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